41914. The Society of The Sigma XI and The Scientific Research Society.   American Scientist, Contains articles on Atomic Structure and Energy by Dunning, Human Infancy and the Ontogenesis of Behavior by Arnold Gesell, Life, Thermodynamics, and Cybernetics by Brillouin, and more.   The Society of The Sigma XI and The Scientific Research Society, 1937, American Scientist, 37 (4) : 473-632 with illustrations.   Printed wraps, usual signs of use and age, text in very good condition.   early issue of a very desirable professional journal.   $8.00

104777. The Society of The Sigma XI and The Scientific Research Society.   American Scientist, Contains articles on.   The Society of The Sigma XI and The Scientific Research Society, 1946, American Scientist, Volume 34, Number 3 :.   Softbound, minor signs of use and age, text in very good condtion.   early issue of a very desirable professional journal.   $8.00

104778. The Society of The Sigma XI and The Scientific Research Society.   American Scientist, Contains articles on.   The Society of The Sigma XI and The Scientific Research Society, 1949, American Scientist, Volume 37, Number 2 :.   Softbound, minor signs of use and age, text in very good condtion.   early issue of a very desirable professional journal.   $8.00

102439. The Society of The Sigma XI and The Scientific Research Society.   American Scientist, Contains articles on Origin and Evolution of the Universe, Meaning of Elementary particle, Biological Bais of Adaptedness and more.   The Society of The Sigma XI and The Scientific Research Society, 1951, American Scientist, 39 (3) : 393-520 with illustrations.   Softbound, previous owners stamp, minor signs of use, good plus condition.   early issue of a very desirable professional journal.   $8.00

38197. Griffin, D. R.   Sensory Physiology and the Orientation of Animals.   Sigma Xi, 1953, American Scientist, 41 (2) : 209-244, 5 figures.   Reprint, minor signs of use and age, very good condition.    $7.00

41912. The Society of The Sigma XI and The Scientific Research Society.   American Scientist, Contains articles on Two or Three Bristles by Stern, Comparing the Brain with Machines by MacKay, Numbers to Supplement Binomial Nomenclature by Gould, Fun in a Fish Pond by Frank, and more.   The Society of The Sigma XI and The Scientific Research Society, 1954, American Scientist, 42 (2) : 177-360 with illustrations.   Printed wraps, usual signs of use and age, text in very good condition.   very desirable professional journal.   $6.00

104779. The Society of The Sigma XI and The Scientific Research Society.   American Scientist, Contains articles on Two or Three Bristles by Stern, Comparing the Brain with Machines by MacKay, Numbers to Supplement Binomial Nomenclature by Gould, Fun in a Fish Pond by Frank, and more.   The Society of The Sigma XI and The Scientific Research Society, 1954, American Scientist, 42 (2) : 177-360 with illustrations.   Softbound, good plus conditoin.   very desirable professional journal.   $5.00

104782. American Scientist.   American Scientist, October 1956. Sigma Xi, Contains professional articles related to current scientific topics on all subjects.   Sigma Xi, 1956, American Scientist, Volume 44, Number 4 : pages 231-312 with illustrations.   Softbound, minor signs of use, text in very good condition.   Contains very comprehensive articles by recognized experts in their field of study.   $5.00

104781. American Scientist.   American Scientist, April 1956. Sigma Xi, Contains professional articles related to current scientific topics on all subjects.   Sigma Xi, 1956, American Scientist, Volume 44, Number 2 : pages 75-152 with illustrations.   Softbound, minor signs of use, text in very good condition.   Contains very comprehensive articles by recognized experts in their field of study.   $5.00

104780. American Scientist.   American Scientist,January 1956. Sigma Xi, Contains professional articles related to current scientific topics on all subjects.   Sigma Xi, 1956, American Scientist, Volume 44, Number 1 : pages 1-74 with illustrations.   Softbound, minor signs of use, text in very good condition.   Contains very comprehensive articles by recognized experts in their field of study.   $5.00

104785. American Scientist.   American Scientist, June 1957. Sigma Xi, Contains professional articles related to current scientific topics on all subjects.   Sigma Xi, 1957, American Scientist, Volume 45, Number 3 : pages 157-240 with illustrations.   Softbound, some signs of use, text in good plus condition.   Contains very comprehensive articles by recognized experts in their field of study.   $5.00

104784. American Scientist.   American Scientist, March 1957. Sigma Xi, Contains professional articles related to current scientific topics on all subjects.   Sigma Xi, 1957, American Scientist, Volume 45, Number 2 : pages 77-156 with illustrations.   Softbound, some signs of use, text in good plus condition.   Contains very comprehensive articles by recognized experts in their field of study.   $5.00

104783. American Scientist.   American Scientist, January 1957. Sigma Xi, Contains professional articles related to current scientific topics on all subjects.   Sigma Xi, 1957, American Scientist, Volume 45, Number 1 : pages 1-76 with illustrations.   Softbound, some signs of use, text in good plus condition.   Contains very comprehensive articles by recognized experts in their field of study.   $5.00

125867. American Scientist.   American Scientist, September 1957. Sigma Xi, Contains professional articles related to current scientific topics on all subjects.   Sigma Xi, 1957, American Scientist, Volume 45, Number 5 : pages 317-402 with illustrations.   Softbound, xlib, text in very good condition.   Contains very comprehensive articles by recognized experts in their field of study.   $5.00

125866. American Scientist.   American Scientist, September 1957. Sigma Xi, Contains professional articles related to current scientific topics on all subjects.   Sigma Xi, 1957, American Scientist, Volume 45, Number 4 : pages 241-316 with illustrations.   Softbound, xlib, text in very good condition.   Contains very comprehensive articles by recognized experts in their field of study.   $5.00

41916. The Society of The Sigma XI and The Scientific Research Society.   American Scientist, Contains articles on Evolutionary Biology and Anthropology by Dobzhansky and Birdsell, Instability of Sea Level by Russell, Elementary Particles by Noyes, Principles of Bioassay by Bliss, and more.   The Society of The Sigma XI and The Scientific Research Society, 1957, American Scientist, 43 (5) : 381-470 with illustrations and large sections of vintage advertising before and after.   Printed wraps, usual signs of use and age, text in very good condition.   very desirable professional journal.   $5.00

41917. The Society of The Sigma XI and The Scientific Research Society.   American Scientist, Contains articles on Smoking and Death Rates - Cause and Effect by Hammond, Climax Forms of Rock-Weathering by Senstius, Lamarck and Darwin in the History of Science by Gillispie, and more.   The Society of The Sigma XI and The Scientific Research Society, 1958, American Scientist, 46 (4) : 325-423 with illustrations and large sections of vintage advertising before and after.   Printed wraps, usual signs of use and age, text in very good condition.   very desirable professional journal.   $5.00

102507. The Society of The Sigma XI and The Scientific Research Society.   American Scientist, Contains articles on Smoking and Death Rates - Cause and Effect by Hammond, Climax Forms of Rock-Weathering by Senstius, Lamarck and Darwin in the History of Science by Gillispie, and more.   The Society of The Sigma XI and The Scientific Research Society, 1958, American Scientist, 46 (4) : 325-423 with illustrations and large sections of vintage advertising before and after.   Softbound, very good condition.   very desirable professional journal.   $6.00

41918. The Society of The Sigma XI and The Scientific Research Society.   American Scientist, Contains articles on Chemical Anthropology by Williams, Electricity and Magnetism by Amberson, Survival is Not Enough by Forest, Physicist Looks at Greek Science by Gillispie, and more.   The Society of The Sigma XI and The Scientific Research Society, 1958, American Scientist, 46 (1) : 1-88 with illustrations and large sections of vintage advertising before and after.   Printed wraps, usual signs of use and age, text in very good condition.   very desirable professional journal.   $6.00

102537. American Scientist.   American Scientist, Sigma Xi, Contains professional articles related to current scientific topics on all subjects.   Sigma Xi, 1958, American Scientist, Volume 46, Number 3 : pages 205-324 with illustrations.   Softbound, minor signs of use, text in very good condition.   Contains very comprehensive articles by recognized experts in their field of study.   $5.00

104786. The Society of The Sigma XI and The Scientific Research Society.   American Scientist, Contains articles on Smoking and Death Rates - Cause and Effect by Hammond, Climax Forms of Rock-Weathering by Senstius, Lamarck and Darwin in the History of Science by Gillispie, and more.   The Society of The Sigma XI and The Scientific Research Society, 1958, American Scientist, Volume 46, Number 4 : 325-423 with illustrations and large sections of vintage advertising before and after.   Softbound, some signs of use, text in good or better condition.   very desirable professional journal.   $5.00

104788. The Society of The Sigma XI and The Scientific Research Society.   American Scientist, Contains articles on Smoking and Death Rates - Cause and Effect by Hammond, Climax Forms of Rock-Weathering by Senstius, Lamarck and Darwin in the History of Science by Gillispie, and more.   The Society of The Sigma XI and The Scientific Research Society, 1958, American Scientist, Volume 46, Number 2 :.   Softbound, some signs of use, text in good or better condition.   very desirable professional journal.   $6.00

104789. The Society of The Sigma XI and The Scientific Research Society.   American Scientist, Contains articles on Smoking and Death Rates - Cause and Effect by Hammond, Climax Forms of Rock-Weathering by Senstius, Lamarck and Darwin in the History of Science by Gillispie, and more.   The Society of The Sigma XI and The Scientific Research Society, 1958, American Scientist, Volume 46, Number 1 :.   Softbound, some signs of use, text in good or better condition.   very desirable professional journal.   $5.00

104787. The Society of The Sigma XI and The Scientific Research Society.   American Scientist, Contains articles on Smoking and Death Rates - Cause and Effect by Hammond, Climax Forms of Rock-Weathering by Senstius, Lamarck and Darwin in the History of Science by Gillispie, and more.   The Society of The Sigma XI and The Scientific Research Society, 1958, American Scientist, Volume 46, Number 3 :.   Softbound, some signs of use, text in good or better condition.   very desirable professional journal.   $6.00

41919. The Society of The Sigma XI and The Scientific Research Society.   American Scientist, Contains articles on Crucial Evidence for Human Evolution, Darwin's Views on Variation Under Domestication, Morphogenesis in Plants, Quantum Mechanics, Color Centers in Crystals, and more.   The Society of The Sigma XI and The Scientific Research Society, 1959, American Scientist, 47 (3) : 299-458 with illustrations and large sections of vintage advertising before and after.   Printed wraps, usual signs of use and age, text in very good condition.   very desirable professional journal.   $6.00

102506. The Society of The Sigma XI and The Scientific Research Society.   American Scientist, Contains articles on Crucial Evidence for Human Evolution, Darwin's Views on Variation Under Domestication, Morphogenesis in Plants, Quantum Mechanics, Color Centers in Crystals, and more.   The Society of The Sigma XI and The Scientific Research Society, 1959, American Scientist, 47 (1) :.   Softbound, very good condition.   very desirable professional journal.   $6.00

102440. The Society of The Sigma XI and The Scientific Research Society.   American Scientist, Contains articles on Rhythmic nature of plants and animals, radiation of particles greater than the speed of light, Chloroplat and Photosynthesis, Molecular Interations, Oceanography, Cancer, and more.   The Society of The Sigma XI and The Scientific Research Society, 1959, American Scientist, 47 (2) : 100-198 with illustrations.   Softbound,corner bumped, good plus condition.   early issue of a very desirable professional journal.   $8.00

104844. The Society of The Sigma XI and The Scientific Research Society.   American Scientist, Contains articles on Crucial Evidence for Human Evolution, Darwin's Views on Variation Under Domestication, Morphogenesis in Plants, Quantum Mechanics, Color Centers in Crystals, and more.   The Society of The Sigma XI and The Scientific Research Society, 1959, American Scientist, Volume 47, Number 4 :.   Softbound,some signs of use, text in good plus condition.   very desirable professional journal.   $6.00

90710. The Society of The Sigma XI and The Scientific Research Society.   American Scientist, Contains articles on Crucial Evidence for Human Evolution, Darwin's Views on Variation Under Domestication, Morphogenesis in Plants, Quantum Mechanics, Color Centers in Crystals, and more.   The Society of The Sigma XI and The Scientific Research Society, 1959, American Scientist, 47 (1) :.   Softbound, xlib, text in good plus condition.   very desirable professional journal.   $5.00

90708. The Society of The Sigma XI and The Scientific Research Society.   American Scientist, Contains articles on Crucial Evidence for Human Evolution, Darwin's Views on Variation Under Domestication, Morphogenesis in Plants, Quantum Mechanics, Color Centers in Crystals, and more.   The Society of The Sigma XI and The Scientific Research Society, 1959, American Scientist, 47 (3) : 299-458 with illustrations and large sections of vintage advertising before and after.   Softbound, xlib, text in good plus condition.   very desirable professional journal.   $5.00

104791. The Society of The Sigma XI and The Scientific Research Society.   American Scientist, Contains articles on Crucial Evidence for Human Evolution, Darwin's Views on Variation Under Domestication, Morphogenesis in Plants, Quantum Mechanics, Color Centers in Crystals, and more.   The Society of The Sigma XI and The Scientific Research Society, 1959, American Scientist, Volume 47, Number 1 :.   Softbound,some signs of use, text in good plus condition.   very desirable professional journal.   $5.00

104790. The Society of The Sigma XI and The Scientific Research Society.   American Scientist, Contains articles on Crucial Evidence for Human Evolution, Darwin's Views on Variation Under Domestication, Morphogenesis in Plants, Quantum Mechanics, Color Centers in Crystals, and more.   The Society of The Sigma XI and The Scientific Research Society, 1959, American Scientist, Volume 47, Number 3 :.   Softbound,some signs of use, text in good plus condition.   very desirable professional journal.   $5.00

90709. The Society of The Sigma XI and The Scientific Research Society.   American Scientist, Contains articles on Crucial Evidence for Human Evolution, Darwin's Views on Variation Under Domestication, Morphogenesis in Plants, Quantum Mechanics, Color Centers in Crystals, and more.   The Society of The Sigma XI and The Scientific Research Society, 1959, American Scientist, 47 (2) :.   Softbound, xlib, text in good plus condition.   very desirable professional journal.   $5.00

132998. The Society of The Sigma XI and The Scientific Research Society.   American Scientist, March 1960.   The Society of The Sigma XI and The Scientific Research Society, 1960, American Scientist, Volume 48, Number 1 : pages 1-108 with illustrations.   Softbound, hole punched along spine, text in good plus condition.   very desirable professional journal.   $5.00

41921. The Society of The Sigma XI and The Scientific Research Society.   American Scientist, Contains articles on Ecological Potential and Analogue Circuits for the Ecosystem, Inertial Gyro, Cultivation of Science, White Dwarfs and Stellar Evolution, Soviet Science and more.   The Society of The Sigma XI and The Scientific Research Society, 1960, American Scientist, 48 (1) : 1-108 with illustrations and large sections of vintage advertising before and after.   Printed wraps, usual signs of use and age, text in very good condition.   very desirable professional journal.   $5.00

102535. American Scientist.   American Scientist, Sigma Xi, Contains professional articles related to current scientific topics on all subjects.   Sigma Xi, 1960, American Scientist, Volume 48, Number 4 : pages 461-616 with illustrations.   Softbound, some spine end wear, text in good or better condition.   Contains very comprehensive articles by recognized experts in their field of study.   $5.00

132999. The Society of The Sigma XI and The Scientific Research Society.   American Scientist, June 1960.   The Society of The Sigma XI and The Scientific Research Society, 1960, American Scientist, Volume 48, Number 2 : pages 109-278 with illustrations.   Softbound, hole punched along spine, text in good plus condition.   very desirable professional journal.   $5.00

133001. The Society of The Sigma XI and The Scientific Research Society.   American Scientist, December 1960.   The Society of The Sigma XI and The Scientific Research Society, 1960, American Scientist, Volume 48, Number 4 : pages 461-612 with illustrations.   Softbound, hole punched along spine, text in good plus condition.   very desirable professional journal.   $5.00

115446. Simons, E. L.   New Fossil Primates: A Review of the Past Decade.   The Society of the Sigma XI, 1960, American Scientist, Volume 48, Number 2 : pages 179-192 with 3 figures.   Softbound, text, very good condition.    $4.00

41922. The Society of The Sigma XI and The Scientific Research Society.   American Scientist, Contains articles on Ionic Bombardment, Temperatures Within the Earth, Radio Astronomy, New Fossil Primates, Particles Physics, Earth's Mantle, and more.   The Society of The Sigma XI and The Scientific Research Society, 1960, American Scientist, 48 (2) : 109-278 with illustrations and large sections of vintage advertising before and after.   Printed wraps, usual signs of use and age, text in very good condition.   very desirable professional journal.   $6.00

102508. The Society of The Sigma XI and The Scientific Research Society.   American Scientist, Contains articles on Ecological Potential and Analogue Circuits for the Ecosystem, Inertial Gyro, Cultivation of Science, White Dwarfs and Stellar Evolution, Soviet Science and more.   The Society of The Sigma XI and The Scientific Research Society, 1960, American Scientist, 48 (1) : 108 pages with illustrations and large sections of vintage advertising before and after.   Softbound, very good condition.   very desirable professional journal.   $6.00

41926. The Society of The Sigma XI and The Scientific Research Society.   American Scientist, Contains articles on Biophysical Approaches to Taste, Causality, Chance, and Law, Stellar Evolution and Origin of Chemical Elements, Origin and Evolution of Living Machines, Language and Behavior, and more.   The Society of The Sigma XI and The Scientific Research Society, 1961, American Scientist, 49 (4) : 421-538 with illustrations and large sections of vintage advertising before and after.   Printed wraps, usual signs of use and age, text in very good condition.   very desirable professional journal.   $6.00

104845. The Society of The Sigma XI and The Scientific Research Society.   American Scientist, December 1961.   The Society of The Sigma XI and The Scientific Research Society, 1961, American Scientist, Volume 49, Number 4 : pages 421-531 with illustrations.   Softbound, some signs of use, text in good plus condition.   very desirable professional journal.   $5.00

104843. The Society of The Sigma XI and The Scientific Research Society.   American Scientist, Contains article by Dobzhansky "Man and Natural Selection".   The Society of The Sigma XI and The Scientific Research Society, 1961, American Scientist, Volume 49, Number 3 : pages 249-420 with illustrations.   Softbound, some signs of use, text in good plus condition.   very desirable professional journal.   $6.00

104792. The Society of The Sigma XI and The Scientific Research Society.   American Scientist, June 1961.   The Society of The Sigma XI and The Scientific Research Society, 1961, American Scientist, Volume 49, Number 2 : pages 135-248 with illustrations.   Softbound, some signs of use, text in good plus condition.   very desirable professional journal.   $5.00

41924. The Society of The Sigma XI and The Scientific Research Society.   American Scientist, Contains articles on Detection and Evasion of Bats by Moths, Integrated Electronics, Nuclear Reactions in Stars, Age of the Galaxy, British Nuclear Technology, Octopus, Jet Age and more.   The Society of The Sigma XI and The Scientific Research Society, 1961, American Scientist, 49 (2) : 135-248 with illustrations and large sections of vintage advertising before and after.   Printed wraps, usual signs of use and age, text in very good condition.   very desirable professional journal.   $6.00

41925. The Society of The Sigma XI and The Scientific Research Society.   American Scientist, Contains articles on Sun Storms and the Earth, Man and Natural Selection by Dobzhansky, Turbulent Flow, Microclimate, Bioclimatology, Gamma Radiation, and more.   The Society of The Sigma XI and The Scientific Research Society, 1961, American Scientist, 49 (3) : 249-420 with illustrations and large sections of vintage advertising before and after.   Printed wraps, usual signs of use and age, text in very good condition.   very desirable professional journal.   $6.00

133004. The Society of The Sigma XI and The Scientific Research Society.   American Scientist, September 1961.   The Society of The Sigma XI and The Scientific Research Society, 1961, American Scientist, Volume 49, Number 3 : pages 249-420 with illustrations.   Softbound, hole punched along spine, text in good plus condition.   very desirable professional journal.   $5.00

25408. American Scientist.   American Scientist, June 1962.   Sigma Xi, 1962, American Scientist, Volume 50, Number 2 : pages 259-358 with illustrations.   Softbound, some moisture damage that causes pages to wrinkle, text still in good usable condition.   Contains very comprehensive articles by recognized experts in their field of study.   $3.00

132991. American Scientist.   American Scientist, June 1962.   Sigma Xi, 1962, American Scientist, Volume 50, Number 2 : pages 259-358 with illustrations.   Softbound, hole punched along spine, good plus or better condition.   Contains very comprehensive articles by recognized experts in their field of study.   $5.00