Barnickol, P. G. 1941. Food habits of Gambusia affinis from Reelfoot Lake, Tennessee, with special reference to malarial control. Report of the Reelfoot Lake Biological Station 5:5-13.

Ridgway, R., and H. Friedmann. 1941. The birds of North and Middle America. Part IX. U.S. Natl. Mus. Bull. 50.

Blair, W.F. 1941. Same data on home ranges and general life history of the short-tailed shrew, redbacked mouse and wood-land jumping mouse in northern Michigan. Am. Midl. Nat. 25(3):681-685.

Blair, W.F. 1941. Annotated list of mammals of the Tularosa Basin, New Mexico. The American Midland Naturalist.

Dalke, P.D., and P.R. Sime. 1941. Food habits of the eastern and New England cottontails. J. Wildl. Mgmt. 5:216-228.

Gregg, W.O. 1941. Mollusca of Cedar Breaks National Monument, Utah. Nautilus 54:116-117.

Kendeigh, S.C. 1941. Birds of a prairie community. Condor 43:165-174.

Bishop, S. C. 1941. The salamanders of New York. New York State Museum Bulletin 324:1-365.

Hoyt, J. S. Y. 1941. Through the year with the pileated woodpecker. Audubon Mag. 43:525-8.

Long, W. S. 1941. The utilization of russian thistle by wildlife. Journal of Wildlife Management 5:136-138.

Tidestrom, I., and T. Kittell. 1941. A flora of Arizona and New Mexico. Catholic Univ. of America Press, Washington, D.C.

Walkinshaw, L. H. 1941. The Prothonotary Warbler, a comparison of nesting conditions in Tennessee and Michigan. The Wilson Bulletin 65:152-68.

Taylor, E.H. 1941. A new Plethodont salamander from NM. Proceedings of the Biological Society of Washington, 54: PP 77-80.

Tinker, S. 1941. Animals of Hawaii. A natural history of the amphibians, reptiles, and mammals living in the HawaiianIslands. Tongg Publ. Co., Honolulu. 190 pp.

Turner, C. L. 1941. Morphogenesis of the gonopodium in Gambusia affinis affinis. Journal of Morphology 69:161-85.

Palmer, R. S. 1941. A behavior study of the common tern. Proc. Boston Soc. Nat. Hist. 42. 119 pp.

Lehmann, V. W. and H. Ward. 1941. Some plants valuable to quail in southwestern Texas. Journal of Wildlife Management 5:131-135.

Lakela, O. 1940. The status of piping plovers (Charadrius melodus) on Minnesota Point. Flicker 12:34.

Raney, E.C. and D.S. Webster. 1940. The food and growth of the young of the common bullhead, Ameiurus nebulosus nebulosus (LeSueur), in Cayuga Lake, New York. Transactions of the American Fisheries Society 69(1939):205-209.

Smith, C.C. 1940. The effect of overgrazing and erosion upon the biota of the mixed-grass prairie of Oklahoma. Ecology 21:381-397.

Gloyd, H. 1940. The rattlesnakes. Chicago Academy Science, Special Publication No. 4.

Sperry, C. C. 1940. Food habits of a group of shorebirds: woodcock, snipe, knot and dowitcher. U.S. Biological Survey Wildlife Research Bulletin 1.

Trautman, M. B. 1940. The birds of Buckeye Lake. Misc. Publ. Zool. No. 44, University of Michigan, Ann Arbor, Michigan. 466 pp.

Pilsbry, H.A. 1940. Land mollusca of North America (north of Mexico). Acad. Nat. Sci. Phil. Monograph no 3. Vol. 1 pt. 2. pp. 575-994.

Van Dersal, W.R. 1940. Utilization of oaks by birds and mammals. Journal of Wildlife Management. 4:404-428.

Speirs, J. M. 1940. Mortality of barn owls at Champaign, Illinois. Auk 57:571.

Draudt, M. 1940. Notodontidae. Pages 901-1070 in A. Seitz. The Macrolepidoptera of the World. Volume 6, Part 2. Alfred Kernen, Stuttgart, Germany.

Hershey, A. L. 1940. Notes on Plants in New Mexico Volume 2. No 15. New Mexico State College. 1 p.

Vesall, D. B. 1940. Notes on nesting habits of the American bittern. Wilson Bulletin. 52:207-8.

Baumgartner, L.L. 1940. The fox squirrel: Its life history, habits, and management in Ohio. Ohio State Univ., unpubl. Ph. D. dissertation, 257 pp.

Taber, F.W. 1940. Range of the coati in the United States. J.. Mamm. 21:11-14.

Benson, S.B. 1940. A new cotton rat (Sigmodon) from Arizona and New Mexico. Proc. Bio. Soc. Wash. 53:157-158.

Tucker, R. W. E. 1940. An account of Dicatraea saccharalis with special refernce to its occurrence in Barbados. Trop. Agric., Trinidad 17:133-138.

Allen, R. P. and F.P. Mangles. 1940. Studies of the nesting behavior of the black-crowned night heron. Proc. Linnaean Soc. New York 50-51:1-28.

Todd, W. E. C. 1940. Birds of western Pennsylvania. Carnegie Museum, University of Pittsburgh Press, Pittsburgh, Pennsylvania. 710 pp.

Carr, A. F., Jr. 1940. A contribution to the herpetology of Florida. Univ. Florida Biol. Sci. Ser. 3:1.118.

Brooks, M. 1940. The breeding warblers of the central Allegheny Mountain region. Wilson Bulletin 52(4):249-66.

Davison, V. E. 1940. An 8-year census of lesser prairie chickens. Journal of Wildlife Management 4:55-62.

Cowan, I. M. 1940. Distribution and variation in the native sheep of North America. American Midland Naturalist 24:505-580.

Eskey, C. R. and V. H. Haas. 1940. Plague in the western part of the United States. Public Health Bulletin 254:1-83.

Griffin, D. R. 1940b. Migrations of New England bats. Bulletin of the Museum of Comparative Zoology 86:217-246.

Bent, A.C. 1940. Life histories of North American cuckoos, goatsuckers, hummingbirds, and their allies. Part I. U.S. National Museum Bulletin 176. 244 pp.

Frey, D. G. 1940. Growth and ecology of the carp, CYPRINUS CARPIO (Linnaeus), in four lakes of the Madison region, Wis-consin. PhD. Thesis. 248 pp.

Gurney, A.B. 1940. Notes on certain genera of North American grasshoppers of the subfamily Oedipodinae, with the description of a new genus and species (Orthoptera:Acrididae). January 1940. Proceedings of the Entomological Society of Washington 42:1-13.

Gabrielson, I. N., and S. G. Jewett. 1940. Birds of Oregon. Corvallis, Oregon: Oregon State College.

Gregg, W.O. 1940. Mollusca of Zion National Park, Utah. Nautilus 54:30-32.

Hershey, A.L. & P.J. Leyendecker. 1940. Leafl. West. Botany 4:22.

Gurney, A.B. 1940. Notes on certain genera of North American grasshoppers of the subfamily Oedipodinae, with the description of a new genus and species (Orthoptera: Acrididae). Proc. Ent. Soc. Washington 42: 1-12.

Pennell, F. W. 1940. New species of Scrophulariaceae from Arizona. Notulae Naturae 43: 1-40.

Jones, D.T. 1940. A study of the Great basin land snail OREOHELIX STRIGOSA DEPRESSA (Cockerell). Bulletin of the University of Utah [Biological Series 6(1)] 31(4):1-43.

Bent, A. C. 1939a. CEOPHLOEUS PILEATUS PILEATUS (Linneaus). Southern pileated woodpecker. Pages 164-71 in A. C. Bent (editor). Life Histories of North American Woodpeckers. U.S. National Mueseum Bulletin, No. 174.

Forbush, E. H. 1939. Natural history of the birds of eastern and central North America. J. B. May (reviser). Houghton Mifflin Company, Boston, Massachusetts. 554 pp.

Tinbergen, N. 1939. The behavior of the snow bunting in spring. Trans. Linn. Soc. 5. 94 pp.

Bent, A. C. 1939b. CEOPHLOEUS PILEATUS FLORIDANUS (Ridgway). Florida pileated woodpecker. Pages 189-91 in A. C. Bent (editor). Life Histories of North American Woodpeckers. U.S. National Museum Bulletin, No. 174.

Bent, A. C. 1939c. CEOPHLOEUS PILEATUS PICINUS (Bangs). Western pileated woodpecker. Pages 191-4 in A. C. Bent, Life Histories of North American Woodpeckers. U.S. National Museum Bulletin, No. 174.

Pilsbry, H. A. 1939a-1948. Land Mollusca of North America (North of Mexico.) George W. Carpenter Fund for the Encouragement of Original Scientific Research, Philadelphia, Pennsylvania. 2107 pp.

Buss, I. O., and A. S. Hawkins. 1939. The upland plover at Faville Grove, Wisconsin. The Wilson Bulletin 51:202-20.

Hamerstrom, F. N. 1939. A study of Wisconsin's Prairie Chickens and Sharp-tailed Grouse. Wilson Bulletin 51:105-120.

Pope, C.H. 1939. Turtles of the United States and Canada. Alfred A. Knopf, New York. 343 pp.

Pilsbry, H.A. 1939. [Excerpts titled: Oreohelix pilsbryi and Oreohelix metcalfei florida] Land mollusca of North America (north of Mexico). Monograph. Acad. Nat. Sci., Philadelphia 3(I)1:513-514.