13660. Science.   Technical Magazine Containing Short Articles on Geology and Paleontology.   American Association for the Advancement of Science, 1906, Science, 24 (609) : 257-288.   Signs of use and age, some soiling, uncut text in good condition.    $15.00

67670. Robinson, B. L.   The Generic Concept in the Classification of the Flowering Plants.   The American Association for the Advancement of Science, 1906, Science, Volume 23, Number 577 : pages 81-92.   Reprint, previous owners book stamp, signs of age, text in good condition.    $5.00

67630. Ramaley, F.   Plant Zones in the Rocky Mountains of Colorado.   The American Association for the Advancement of Science, 1907, Science, Volume 26, Number 671 : pages 642-643.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $2.00

67433. Lillie, F. R.   The Biological Significance of Sexual Differentiation – A Zoological Point of View.   The American Association for the Advancement of Science, 1907, Science, Volume 21, Number 636 : pages 372-376.   Printed wraps, previous owners book stamp, minor signs of use and age, very good condition.    $5.00

13659. Science.   Technical Magazine Containing Short Articles on Geology and Paleontology.   American Association for the Advancement of Science, 1909, Science, 29 (746) : 601-640.   Signs of use and age, some soiling, uncut text in good condition.    $15.00

67629. Ramaley, F.   What is Biology and What is a “Biological Survey”?.   The American Association for the Advancement of Science, 1912, Science, Volume 35, Number 889 : pages 60-61.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $2.00

67910. Tennent, D. H.   Echinoderm Hybridization.   The American Association for the Advancement of Science, 1913, Science, Volume 37, Number 953 : pages 535-537.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $2.00

67280. Harris, J. A.   The Data of Inter-Varietal and Inter-Specific Competition in Their Relation to the Problem of Natural Selection.   The American Association for the Advancement of Science, 1913, Science, Volume 38, Number 977 : pages 402-403.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $2.00

19133. Arnold, R. and Hannibal, H.   Dickerson on California Eocene.   American Association for the Advancement of Science, 1914, Science, 39 (1016) : 906-908.   Printed wraps, signed by Harold Hannibal, edge wear and chipping to wraps, other signs of use and age discoloration, text in good minus condition.    $3.00

67634. Ramaley, F.   Multiple Factors in Human Skin Color.   The American Association for the Advancement of Science, 1914, Science, Volume 39, Number 1006 : pages 533-534.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $2.00

111355. Leith, C. K.   The Structural Failure of the Lithosphere.   American Association for the Advancement of Science, 1921, Science, Volume 80, Number 1366 : pages 195-208.   Softbound, stapled text, good condition.    $8.00

67439. Lipman, C. B.   Does Nitrification Occur in Sea Water?.   The American Association for the Advancement of Science, 1922, Science, Volume 56, Number 1453 : pages 501-503.   Reprint, minor signs of use and age, text in very good condition.    $2.00

67437. Lipman, C. B. and Taylor, J. K..   Proof of the Power of the Wheat Plant to Fix Atmospheric Nitrogen.   The American Association for the Advancement of Science, 1922, Science, Volume 56, Number 1456 : pages 605-606.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $2.00

67490. Metcalf, M. M.   Opalina Japonica Sugiyama [Not Metcalf].   The American Association for the Advancement of Science, 1924, Science, Volume 59, Number 1516 : pages 64.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $1.00

67495. Metz, C. W.   Chromosomes and Sex in Sciara.   The American Association for the Advancement of Science, 1925, Science, Volume 61, Number 1573 : pages 212-214.   Reprint, usual signs of use and age, text in good condition.    $1.00

67440. Lloyd, F. E. and Scarth, G. W.   The Origin of Vacuoles.   The American Association for the Advancement of Science, 1926, Science, Volume 63, Number 1635 : pages 459-460.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $2.00

67304. Hitchcock, A. S.   The Need for Training Taxonomic Botanists.   The American Association for the Advancement of Science, 1928, Science, Volume 57, Number 1739 : pages 431-432.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $2.00

68034. Wieland, G. R.   Views of Higher Seed Plant Descent Since 1879.   The American Association for the Advancement of Science, 1929, Science, Volume 60, Number 1810 : pages 223-228.   Reprint, minor signs of use and age, text in very good condition.    $3.00

67582. Oliver, C. P.   The Effect of Varying the Duration of X-Ray Treatment Upon the Frequency of Mutation.   The American Association for the Advancement of Science, 1930, Science, Volume 71, Number 1828 : pages 44-46 with 1 table.   Reprint, previous owners book stamp, minor signs of use and age, text in very good condition.    $2.00

67483. McKay, J. W. and Goodspeed, T. H .   The Effects of X-Radiation on Cotton.   The American Association for the Advancement of Science, 1930, Science, Volume 61, Number 1851 : page 644.   Reprint, previous owners book stamp, signs of use and age, text in good condition.    $1.00

105346. AAAS.   The Scientific Monthly, September, 1939.   American Association for the Advancement of Science, 1939, Scientific Monthly, Volume 49, Number 3.   Softbound, minor cover wear, text in very good condition.   Original Vintage Publication, Not a Modern Reprint.   $8.00

105354. AAAS.   The Scientific Monthly, July, 1939.   American Association for the Advancement of Science, 1939, Scientific Monthly, Volume 49, Number 1.   Softbound, minor cover wear, text in very good condition.   Original Vintage Publication, Not a Modern Reprint.   $7.00

105355. AAAS.   The Scientific Monthly, August, 1939.   American Association for the Advancement of Science, 1939, Scientific Monthly, Volume 49, Number 2.   Softbound, minor cover wear, text in very good condition.   Original Vintage Publication, Not a Modern Reprint.   $7.00

105353. AAAS.   The Scientific Monthly, June, 1939.   American Association for the Advancement of Science, 1939, Scientific Monthly, Volume 48, Number 6.   Softbound, minor cover wear, text in very good condition.   Original Vintage Publication, Not a Modern Reprint.   $7.00

105351. AAAS.   The Scientific Monthly, April, 1939.   American Association for the Advancement of Science, 1939, Scientific Monthly, Volume 48, Number 4.   Softbound, minor cover wear, text in very good condition.   Original Vintage Publication, Not a Modern Reprint.   $7.00

105349. AAAS.   The Scientific Monthly, December, 1939.   American Association for the Advancement of Science, 1939, Scientific Monthly, Volume 49, Number 6.   Softbound, minor cover wear, text in very good condition.   Original Vintage Publication, Not a Modern Reprint.   $8.00

105348. AAAS.   The Scientific Monthly, November, 1939.   American Association for the Advancement of Science, 1939, Scientific Monthly, Volume 49, Number 5.   Softbound, minor cover wear, text in very good condition.   Original Vintage Publication, Not a Modern Reprint.   $8.00

105347. AAAS.   The Scientific Monthly, October, 1939.   American Association for the Advancement of Science, 1939, Scientific Monthly, Volume 49, Number 4.   Softbound, minor cover wear, text in very good condition.   Original Vintage Publication, Not a Modern Reprint.   $8.00

105344. AAAS.   The Scientific Monthly, July, 1939.   American Association for the Advancement of Science, 1939, Scientific Monthly, Volume 49, Number 1.   Softbound, minor cover wear, text in very good condition.   Original Vintage Publication, Not a Modern Reprint.   $8.00

105343. AAAS.   The Scientific Monthly, June, 1939.   American Association for the Advancement of Science, 1939, Scientific Monthly, Volume 48, Number 6.   Softbound, minor cover wear, text in very good condition.   Original Vintage Publication, Not a Modern Reprint.   $8.00

105342. AAAS.   The Scientific Monthly, May, 1939.   American Association for the Advancement of Science, 1939, Scientific Monthly, Volume 48, Number 5.   Softbound, minor cover wear, text in very good condition.   Original Vintage Publication, Not a Modern Reprint.   $8.00

105341. AAAS.   The Scientific Monthly, April, 1939.   American Association for the Advancement of Science, 1939, Scientific Monthly, Volume 48, Number 4.   Softbound, minor cover wear, text in very good condition.   Original Vintage Publication, Not a Modern Reprint.   $8.00

105340. AAAS.   The Scientific Monthly, March, 1939.   American Association for the Advancement of Science, 1939, Scientific Monthly, Volume 48, Number 3.   Softbound, minor cover wear, text in very good condition.   Original Vintage Publication, Not a Modern Reprint.   $8.00

105345. AAAS.   The Scientific Monthly, August, 1939.   American Association for the Advancement of Science, 1939, Scientific Monthly, Volume 49, Number 2.   Softbound, minor cover wear, text in very good condition.   Original Vintage Publication, Not a Modern Reprint.   $8.00

105339. AAAS.   The Scientific Monthly, February, 1939.   American Association for the Advancement of Science, 1939, Scientific Monthly, Volume 48, Number 2.   Softbound, minor cover wear, text in very good condition.   Original Vintage Publication, Not a Modern Reprint.   $8.00

49482. Moulton, F. R.   Problems of Lake Biology.   American Association for the Advancement of Science, 1939, Publication of the American Association for the Advancement of Science, Number 10 : pages 1-142 with illustrations.   Hardbound, minor cover wear, previous owners signature, some signs of age, text in very good condition.    $19.00

105357. AAAS.   The Scientific Monthly, November, 1939.   American Association for the Advancement of Science, 1939, Scientific Monthly, Volume 49, Number 5.   Softbound, minor cover wear, text in very good condition.   Original Vintage Publication, Not a Modern Reprint.   $7.00

105338. AAAS.   The Scientific Monthly, January, 1939.   American Association for the Advancement of Science, 1939, Scientific Monthly, Volume 48, Number 1.   Softbound, minor cover wear, text in very good condition.   Original Vintage Publication, Not a Modern Reprint.   $8.00

105679. AAAS.   The Scientific Monthly, July, 1940.   American Association for the Advancement of Science, 1940, Scientific Monthly, Volume 51, Number 1.   Softbound, minor cover wear, text in very good condition.   Original Vintage Publication, Not a Modern Reprint.   $8.00

105684. AAAS.   The Scientific Monthly, December, 1940.   American Association for the Advancement of Science, 1940, Scientific Monthly, Volume 51, Number 6.   Softbound, minor cover wear, text in very good condition.   Original Vintage Publication, Not a Modern Reprint.   $8.00

105683. AAAS.   The Scientific Monthly, November, 1940.   American Association for the Advancement of Science, 1940, Scientific Monthly, Volume 51, Number 5.   Softbound, minor cover wear, text in very good condition.   Original Vintage Publication, Not a Modern Reprint.   $8.00

105682. AAAS.   The Scientific Monthly, October, 1940.   American Association for the Advancement of Science, 1940, Scientific Monthly, Volume 51, Number 4.   Softbound, minor cover wear, text in very good condition.   Original Vintage Publication, Not a Modern Reprint.   $8.00

105680. AAAS.   The Scientific Monthly, August, 1940.   American Association for the Advancement of Science, 1940, Scientific Monthly, Volume 51, Number 2.   Softbound, minor cover wear, text in very good condition.   Original Vintage Publication, Not a Modern Reprint.   $8.00

105363. AAAS.   The Scientific Monthly, June, 1940.   American Association for the Advancement of Science, 1940, Scientific Monthly, Volume 50, Number 6.   Softbound, some signs of use, text in very good condition.   Original Vintage Publication, Not a Modern Reprint.   $7.00

105678. AAAS.   The Scientific Monthly, June, 1940.   American Association for the Advancement of Science, 1940, Scientific Monthly, Volume 50, Number 6.   Softbound, minor cover wear, text in very good condition.   Original Vintage Publication, Not a Modern Reprint.   $8.00

105681. AAAS.   The Scientific Monthly, September, 1940.   American Association for the Advancement of Science, 1940, Scientific Monthly, Volume 51, Number 3.   Softbound, minor cover wear, text in very good condition.   Original Vintage Publication, Not a Modern Reprint.   $8.00

105367. AAAS.   The Scientific Monthly, October, 1940.   American Association for the Advancement of Science, 1940, Scientific Monthly, Volume 51, Number 4.   Softbound, some signs of use, text in very good condition.   Original Vintage Publication, Not a Modern Reprint.   $7.00

105366. AAAS.   The Scientific Monthly, September, 1940.   American Association for the Advancement of Science, 1940, Scientific Monthly, Volume 51, Number 3.   Softbound, some signs of use, text in very good condition.   Original Vintage Publication, Not a Modern Reprint.   $7.00

105364. AAAS.   The Scientific Monthly, July, 1940.   American Association for the Advancement of Science, 1940, Scientific Monthly, Volume 51, Number 1.   Softbound, some signs of use, text in very good condition.   Original Vintage Publication, Not a Modern Reprint.   $7.00

105677. AAAS.   The Scientific Monthly, May, 1940.   American Association for the Advancement of Science, 1940, Scientific Monthly, Volume 50, Number 5.   Softbound, minor cover wear, text in very good condition.   Original Vintage Publication, Not a Modern Reprint.   $8.00