67199. Harper, R. A.   The Structure and Developmernt of the Colony in Gonium.   The American Microscopical Society, 1912, Transactions of the American Microscopical Society, Volume 31, Number 2 : pages 65-83 with 1 plate.   Printed wraps, previous owners book stamp, minor signs of use and age, text in very good condition.    $8.00

63373. Welch, P. S.   Entomological Notes.   The American Microscopical Society, 1917, Transactions of American Microscopical Society, Volume 36 : pages 97-100.   Reprint, previous owners name, other minor signs of use and age, text in very good condition.    $2.00

111573. Hyman, L. H.   Studies on the Morphology, Taxonomy, and Distribution of North American Triclad Turbellaria. I. Procotyla fluviatils, commonly but erroneously known as dendrocoelum lacteum.   The American Microscopical Society, 1928, Transactions of American Microscopical Society, Volume 47, Number 2 : pages 222-255 with 4 plates.   Softbound, cover aged, uncut text in very good condition.    $10.00

111574. Hyman, L. H.   Studies on the Morphology, Taxonomy, and Distribution of North American Triclad turbellaria. II. On the Distrinctions between Planaria agilis and Planaria dorotocephala with Notes on the Distribution of Agilis in the Western United States.   The American Microscopical Society, 1929, Transactions of American Microscopical Society, Volume 48, Number 4 : pages 406-414 with 1 plate.   Softbound, minor cover aging, uncut text in very good condition.    $7.00

63398. Henderson, W. F. and Welch, P. S.   Thomas Walton Galloway.   The American Microscopical Society, 1930, Transactions of American Microscopical Society, Volume 49, Number 1 : pages 3-4.   Reprint, previous owners name, other minor signs of use and age, text in very good condition.    $1.00

63379. Wiebe, A. H.   Notes on the Exposure of Several Species of Pond Fishes to Sudden Changes in pH.   The American Microscopical Society, 1931, Transactions of American Microscopical Society, Volume 50, Number 4 : pages 380-393 with 10 tables.   Reprint, previous owners name, usual signs of use and age, text in very good condition.    $5.00

111575. Hyman, L. H.   Studies on the Morphology, Taxonomy, and Distribution of North American Triclad turbellaria. III. On Polycelis coronata (Girard).   The American Microscopical Society, 1931, Transactions of American Microscopical Society, Volume 50, Number 2 : pages 124-135 with 1 plate.   Softbound, minor cover aging, uncut text in very good condition.    $5.00

111576. Hyman, L. H.   Studies on the Morphology, Taxonomy, and Distribution of North American Triclad turbellaria. IV. Recent European Revisons of the Triclads and Their Application to the American Forms, with a Key to the Latter and New Notes on Distribution.   The American Microscopical Society, 1931, Transactions of American Microscopical Society, Volume 50, Number 4 : pages 316-335 with 1 plate.   Softbound, very good condition.    $8.00

111679. Altman, L. C.   Enchytraeus pugetensis, A new Marine Enchytraeid from Puget Sound.   American Microscopical Society, 1931, Transactions of the American Microscopical Society, Volume 50, Number 2 : pages 154-163 with 2 plates.   Softbound, signed by the author, other names and stamp, text in very good condition.    $5.00

111577. Hyman, L. H.   Studies on the Morphology, Taxonomy, and Distribution of North American Triclad turbellaria. V. Description of Twn New Species.   The American Microscopical Society, 1931, Transactions of American Microscopical Society, Volume 50, Number 4 : pages 336-343 with 1 plate.   Softbound, very good condition.    $5.00

63380. Van Cleave, H. J.   An Index to the International Rules of Zoological Nomenclature.   The American Microscopical Society, 1933, Transactions of American Microscopical Society, Volume 52, Number 4 : pages 322-325.   Reprint, previous owners name, other minor signs of use and age, text in very good condition.    $2.00

63378. Cheatum, E. P.   Limnological Investigations on Respiration, Annual Migratory Cycle, and Other Related Phenomena in Fresh-Water Pulmonate Snails.   The American Microscopical Society, 1934, Transactions of American Microscopical Society, Volume 53, Number 4 : pages 348-407 with 27 figures and 38 tables.   Reprint, previous owners name, other minor signs of use and age, text in very good condition.    $22.00

63384. Welch, P. S.   A Limnological Study of a Small Sphagnum - Leather Leaf - Black Spruce Bog Lake with Special Reference to Its Plankton.   The American Microscopical Society, 1936, Transactions of American Microscopical Society, Volume 55, Number 3 : pages 300-312 with 2 tables.   Reprint, previous owners name, other minor signs of use and age, text in very good condition.    $5.00

111680. Welch, P. S.   A Limnological Study of a Bog Lake Which Has Never Developed a Marginal Mat.   American Microscopical Society, 1938, Transactions of the American Microscopical Society, Volume 57, Number 4 : pages 344-357 with 1 figure.   Softbound, untrimmed text in very good condition.    $7.00

63385. Welch, P. S.   A Limnological Study of a Bog Lake Which Has Never Developed a Marginal Mat.   The American Microscopical Society, 1938, Transactions of American Microscopical Society, Volume 57, Number 4 : pages 344-357 with 1 figure and 2 tables.   Reprint, previous owners name, other minor signs of use and age, text in very good condition.    $5.00

63374. Frohne, W. C.   Semiaquatic Hymenoptera in North Michigan Lakes.   The American Microscopical Society, 1939, Transactions of American Microscopical Society, Volume 58, Number 2 : pages 228-240 with 2 plates.   Reprint, previous owners name, other minor signs of use and age, text in very good condition.    $5.00

63387. Hoff, C. C.   Anatomy of the Ancylid Snail, Ferrissia Tarda (Say).   The American Microscopical Society, 1940, Transactions of American Microscopical Society, Volume 59, Number 2 : pages 224-242.   Reprint, minor signs of use and age, uncut text in very good condition.    $8.00

63377. Hofman, C. E.   Limnological Relationships of Some Northern Michigan Donaciini (Chrysomelidae; Coleoptera).   The American Microscopical Society, 1940, Transactions of American Microscopical Society, Volume 59, Number 3 : pages 259-274 with 1 figure.   Reprint, previous owners name, other minor signs of use and age, text in very good condition.    $6.00

63390. Tauber, O. S. and Clare, S.   Circulation in the Wings of the Cockroach, Blattella Germanica L. IV. Circulation in Unsclerotized Wings Under Normal and Experimental Condition.   The American Microscopical Society, 1942, Transactions of American Microscopical Society, Volume 61, Number 3 : pages 290-296 with 2 figures.   Reprint, minor signs of use and age, text in very good condition.    $3.50

63389. Moffett, J. W.   A Limnological Investigation of the Dynamics of a Sandy, Wave-Swept Shoal in Douglas lake, Michigan.   The American Microscopical Society, 1943, Transactions of American Microscopical Society, Volume 62, Number 1 : pages 1-23 with 11 tables.   Reprint, previous owners name, other minor signs of use and age, text in very good condition.    $8.00

63404. Hoff, C. C.   A New Ostracod Belonging to the Cyprid Genus Potamocypris.   The American Microscopical Society, 1943, Transactions of American Microscopical Society, Volume 62, Number 2 : pages 200-206 with 12 figures.   Printed wraps, minor signs of use and age, text in very good condition.    $3.50

111681. Welch, P. S.   Some Limnological Features of Water Impounded in a Northern Bog-Lake Mat.   American Microscopical Society, 1945, Transactions of the American Microscopical Society, Volume 64, Number 3 : pages 183-195 with 1 figure.   Softbound, very good condition.    $5.00

63396. Young, O. W.   A Limnological Investigation of Periphyton in Douglas Lake, Michigan.   The American Microscopical Society, 1945, Transactions of American Microscopical Society, Volume 64, Number 1 : pages 1-20 with 8 tables.   Reprint, previous owners name, other minor signs of use and age, text in very good condition.    $8.00

63397. Welch, P. S.   Some Limnological Features of Water Impounded in a Northern Bog-Lake Mat.   The American Microscopical Society, 1945, Transactions of American Microscopical Society, Volume 64, Number 3 : pages 183-195 with 1 table.   Printed wraps, previous owners name, usual signs of use and age, text in very good condition.    $5.00

63388. Neel, J. K.   A Limnological Investigation of the Psammon in Douglas Lake, Michigan, with Especial Reference to Shoal and Shoreline Dynamics.   The American Microscopical Society, 1948, Transactions of American Microscopical Society, Volume 67, Number 1 : pages 1-53 with 10 figures and 6 tables.   Reprint, previous owners name, usual signs of use and age, small moisture stain that does not impact text, text in good or better condition.    $15.00

63394. Berg, C. O.   Limnological Relations of Insects to Plants of the Genus Potamogeton.   The American Microscopical Society, 1949, Transactions of American Microscopical Society, Volume 68, Number 4 : pages 279-291 with 3 tables.   Reprint, previous owners name, other minor signs of use and age, text in very good condition.    $5.00

63401. Brunson, R. B.   The Life History and Ecology of Two North American Gastrotrichs.   The American Microscopical Society, 1949, Transactions of American Microscopical Society, Volume 68, Number 1 : pages 1-20 with 3 plates.   Reprint, previous owners name, other minor signs of use and age, text in very good condition.    $8.00

63393. Berg, C. O.   Biology of Certain Aquatic Caterpillars (Pyralididae: Nymphula spp.) Which Feed on Potamogeton.   The American Microscopical Society, 1950, Transactions of American Microscopical Society, Volume 69, Number 3 : pages 254-266.   Reprint, previous owners name, other minor signs of use and age, text in very good condition.    $5.00

63402. Webb, G. R.   The Sexology of Polygyra Septemvolva Say, Life History Notes, Possible Utility, and Data on Stenotrema (Mollusca, Gastropoda, Pulmonata, Polygyridae).   The American Microscopical Society, 1950, Transactions of American Microscopical Society, Volume 69, Number 4 : pages 387-393 with 9 figures.   Reprint, previous owners name, other minor signs of use and age, text in very good condition.    $3.50

63405. Eggleton, F. E.   Dynamics of Interdepression Benthic Communities.   The American Microscopical Society, 1952, Transactions of American Microscopical Society, Volume 71, Number 3 : pages 189-228 with 3 figures and 8 tables.   Reprint, previous owners name, other minor signs of use and age, text in very good condition.    $11.00

111682. Adel-Malek, E. T.   Cercaria chandleri, a new Echinostrome Species from the Snail Helisoma corpulentum in Lake Itasca, Minnesota.   American Microscopical Society, 1952, Transactions of the American Microscopical Society, Volume 71, Number 3 : pages 277-281 with 5 figures.   Softbound, stapled text as issued, very good condition.    $3.00

111683. Adel-Malek, E. T.   Morphological Studies on the Family Planorbidae (Mollusca: Pulmonata) I. Genital Organs of Helisoma trivolvis (say) (Subfamily Helisomatinae F. C. Baker, 1945).   American Microscopical Society, 1954, Transactions of the American Microscopical Society, Volume 73, Number 2 : pages 103-124 with 4 plates.   Softbound, previous owners name and stamp, very good condition.    $12.00

111684. Adel-Malek, E. T.   Morphological Studies on the Family Planorbidae (Mollusca: Pulmonata) I. Genital Organs of Biomphalaria boissyi (Subfamily Planorbinae, H. A. Pillsbury, 1934).   American Microscopical Society, 1954, Transactions of the American Microscopical Society, Volume 73, Number 3 : pages 285-296 with 3 plates.   Softbound, previous owners name and stamp, very good condition.    $8.00

111831. DeWitt, R. M.   Reproduction, Embryonic Development, and Growth in the Pond Snail, Physa gyrina Say.   American Microscopical Society, 1954, Transaction of the American Microscopical Society, Volume 73, Number 2 : pages 124-137 with 3 figures.   Softbound, minor signs of age, text in very good condition.   reprint.   $5.00

63406. Anderson, R. O. and Hooper, F. F.   Seasonal Abundance and Production of Littoral Bottom Fauna in a Southern Michigan Lake.   The American Microscopical Society, 1956, Transactions of American Microscopical Society, Volume 75, Number 3 : pages 259-270 with 4 figures and 1 table.   Reprint, previous owners name, other minor signs of use and age, text in very good condition.    $5.00

111685. McCraw, B. M.   The Ecology of the Snail, Lymanaea humilis Say.   American Microscopical Society, 1959, Transactions of the American Microscopical Society, Volume 78, Number 1 : pages 101-121 with 3 figures.   Softbound, previous owners name and stamp, very good condition.    $8.00

63408. Ellis, R. J.   A Life History Study of Asellus intermedius Forbes.   The American Microscopical Society, 1961, Transactions of American Microscopical Society, Volume 80, Number 1 : pages 80-102 with 5 figures and 5 tables.   Reprint, previous owners name, other minor signs of use and age, text in very good condition.    $5.00

111686. Ferguson, F. F. and Richards, C. S.   Fresh-Water Mollusks of Puerto Rico and the U. S. Virgin Islands.   American Microscopical Society, 1963, Transactions of the American Microscopical Society, Volume 82, Number 4 : pages 391-395.   Softbound, stapled text as issued, very good condition.    $3.00

111687. Jones, W. C. and Branson, B> A.   The Radula, Genital System, and External Morphology in Mudalia potosiensis (Lea) 1841 (Gastropoda: Prosobranchiata: Pleuroceridae) with Life History Notes.   American Microscopical Society, 1964, Transactions of the American Microscopical Society, Volume 83, Number 1 : pages 41-62 with 14 figures.   Softbound, stapled text as issued, very good condition.    $8.00

63412. Davis, C. C.   A Study of the Hatching Process in Aquatic Invertebrates. XII. The Eclosion Process in Trichocorixa Naias (Kirkaldy) (Heteroptera, Corixidae).   The American Microscopical Society, 1965, Transactions of American Microscopical Society, Volume 84, Number 1 : pages 60-65 with 3 figures.   Reprint, previous owners name, other minor signs of use and age, text in very good condition.    $1.50

63413. Emberly, W. R.   Notes on Some New and Rare Myxophyceae in Laboratory Culture.   The American Microscopical Society, 1966, Transactions of American Microscopical Society, Volume 85, Number 1 : pages 130-138 with 14 figures.   Reprint, previous owners name, other minor signs of use and age, text in very good condition.    $2.25

63411. Hiltunen, J. K.   Some Oligochaetes from Lake Michigan.   The American Microscopical Society, 1967, Transactions of American Microscopical Society, Volume 86, Number 4 : pages 433-454 with 28 figures and 8 tables.   Reprint, previous owners name, other minor signs of use and age, text in very good condition.    $5.00

63414. Gannon, J. E.   Two Counting Cells for the Enumeration of Zooplantkton Micro-Crustacea.   The American Microscopical Society, 1971, Transactions of American Microscopical Society, Volume 90, Number 4 : pages 486-490 with 2 figures.   Reprint, previous owners name, other minor signs of use and age, text in very good condition.    $1.25

63415. Gannon, J. E.   Effects of Eurotrophication and Fish Predation on Recent Changes in Zooplankton Crustacea Species Composition in Lake Michigan.   The American Microscopical Society, 1972, Transactions of American Microscopical Society, Volume 91, Number 1 : pages 82-84 with 3 figures and 10 tables.   Reprint, previous owners name, other minor signs of use and age, text in very good condition.    $1.00

63416. Modlin, R. F.a and Gannon, J. E.   A Contribution to the Ecology and Distribution of Aquatic Acari in the St. Lawrence Great Lakes.   The American Microscopical Society, 1973, Transactions of American Microscopical Society, Volume 92, Number 2 : pages 217-224 with 2 figures and 1 table.   Reprint, previous owners name, other minor signs of use and age, text in very good condition.    $2.00