Lowe, C.H. 1950. The systematic status of the salamander Plethodon hardii, with a discussion of biogeographical problems in Aneides, Copeia, no 2, pp 92-99.

Smith, M. W. 1950. The use of poisons to control undesirable fish in Canadian fresh waters. Canadian Fish-Culturist. 8:17-29.

Schroder, R. C. 1950. Hibernation of blue racers and bull snakes in western Illinois. Natural History Miscellany 75:1-2.

Scott, F. R. 1950. Winter Season - 1949-1950 - Virginia. Raven 21:100-1.

Eschmeyer, P. H. 1950. The life history of the walleye, Stizostedion vitreum (Mitchill), in Michigan. Michigan Department of Conservation, Bulletin of the Institute for Fisheries Research 3:1-99.

Slevin, J. R. 1950. A remarkable concentration of desert snakes. Herpetologica 6:12-13.

Lee, L. 1950. Kill analysis for the lesser prairie chicken in New Mexico, 1949. Journal of Wildlife Management 14:475-477.

Osborn, B. and P. F. Allan. 1949. Vegetation of an abandoned prairie dog town in tallgrass prairie. Ecology 30:322-32.

Shapiro, J. 1949. Ecological and life history notes on the porcupine in the Adirondacks. J. Mamm. 30:247-257.

Sigler, W.F. 1949. Life history of the white bass, Lepibema chrysops (Rafinesque), of Spirit Lake, Iowa. Iowa State College of Agriculture and Mechanic Arts, Research Bulletin 366:203-244.

Sutton, G. M. 1949. Studies of the nesting birds of the Edwin S. George Reserve. Part I: the vireos. Museum of Zoology, University of Michigan, Miscellaneous Publication, No. 74. University of Michigan Press, Ann Arbor, Michigan.

Hammond, M. C., and C. J. Henry. 1949. Success of marsh hawk nests in North Dakota. Auk 66:271-4.

Walkinshaw, L.H. 1949. Twenty-five eggs apparently laid by a cowbird. Wilson Bulletin 61:82-85.

Stewart, R. E. 1949. Ecology of a nesting red-shouldered hawk population. Wilson Bull. 61:26-35.

Thorp, J. 1949. Effects of certain animals that live in soils. Scientific Monthly 68:180-91.

Bent, A. C. 1949. Life histories of North American thrushes, kinglets, and their allies. U. S. Nat. Mus. Bull.196. 452 pp., 51 pls.

Palmer, R. S. 1949. Maine Birds. Bulletin of the Museum of Comparative Zoology at Harvard College, Vol. 102. 656 pp.

Chander, H. P. 1949. A new Stenelmis from Nevada (Coleoptera: Elmidae). Pan-Pacific Entomologist 25(3)133-136.

Swank, W. E. 1949. Beaver ecology and management in West Virginia. Conserv. Comp. WV. 65pp.

LaRivers, Ira. 1949. A new subspecies of Stenelmis from Nevada. Proceedings of the Entomological Society of Washington 51:218-224.

Threinen, C. W. 1949. An analysis and appraisal of the roughfish problem of Wisconsin. Investigational Report, No. 715, Division of Fish Management, Wisconsin Conservation Department. 19 pp.

Sutton, G.M. 1949. The Rose-throated Becard, PLATYPSARIS AGLAIAE, in the Lower Rio Grande Valley of Texas. Auk 66(4):365-366.

Griscom, L. 1949. The Birds of Concord. Harvard Univeristy Press, Cambridge, Massachusetts. 340 pp.

Howell, J.T. 1949. Marin flora: Manual of the flowering plants and ferns of Marin County, California. 1st edition. Univ. Calif. Press, Berkeley.

George, J.L., and W.H. Stickel. 1949. Wildlife effects of DDT dust used for tick control on a Texas prairie. American Midland Naturalist 42:228-237.

Pough, R.H. 1949. Audubon land bird guide, small land birds of eastern and central North America from southern Texas to central Greenland. Doubleday and Company, Incorporated, Garden City, N.Y.

Reynolds, H. G., and H. S. Haskell. 1949. Life history notes on Price and Bailey pocket mice of southern Arizona. Journal of Mammalogy 30:150-156.

Roberts, T.S. 1949. Manual for the identification of the birds of Minnesota and neighboring states. University of Minnesota Press, Minneapolis. 738 pp.

Walkinshaw, L. 1949. The sandhill cranes. Cranbrook Institute of Science. 1949. 202 pp.

Grange, W. B. 1948. Wisconsin grouse problems. Wisconsin Department of Conservation, Madison, Wisconsin.

Dence. W. A. 1948. Life history, ecology, and habits of the dwarf sucker, Catostomus commersoni utawana (Mather), at the Huntington Wildlife Station. Roosevelt Wildlife Bulletin 8(4):81-150.

Tyler, W. M. 1948. Red-breasted Nuthatch. Pages 22-35 IN A. C. Bent, editor. Life histories of North American nuthatches, wrens, thrashers, and their allies. u. S. National Museum Bulletin 195.

Wynd, F. L., G. P. Steinbauer, and N. R. Diaz. 1948. Arundo donax as a forage grass in sandy soils. Lloydia 11(3):181-184.

Miller, R. R. and R. G. Miller. 1948. The contribution of the Columbia River system to the fish fauna of Nevada: five species unrecorded from the state. Copeia. 1952:174-87.

Bailey, R.M. and H.M. Harrison, Jr. 1948. Food habits of thesouthern channel catfish, Ictalurus lacustris punctatus, in the Des Moines River, Iowa. Transactions of the American Fisheries Society 75:110-138.

Tinkham, E.R. 1948. Faunistic and ecological studies on the Orthoptera of the Big Bend region of Trans-Pecos, Texas. American Midland Naturalist 40: 521-663.

Crooks, M.P. 1948. Life history of the Field Sparrow, SPIZELLA PUSILLA PUSILLA (Wilson). M.S. thesis. Iowa State College, Ames, IA. 109 pp.

Chamberlain, E. B. 1948. Ecological factors influencing the growth and management of certain waterfowl food plants on Back Bay National Wildlife Refuge. Transactions North American Wildlife Conference. 13:347-56.

Woodbury, A. M. and R. Hardy. 1948. Studies of the desert tortoise, Gopherus agassizii. Ecological Monographs. 18(2):145-200.

Koford, C. B., and M. R. Koford. 1948. Breeding colonies of bats, Pipistrellus hesperus and Myotis subulatus melanorhinus. Journal of Mammalogy 29:417-418.

Kurmholz, L. A. 1948. Reproduction in the western mosquitofish, Gambusia affinis affinis (Baird and Girard), and its use in mosquito control. Ecological Monographs 18:1-43.

Rand, A.L. 1948. Birds of southern Alberta. National Museum of Canada, Bulletin 111.

Pickwell, G. 1948. Barn owl growth and behaviorisms. Auk 65:359-73.

Bent, A.C. 1948. Life histories of North American nuthatches, wrens, thrashers, and their allies. U.S. National Museum Bulletin 195. Washington, DC.

Einarsen, A. S. 1948. The pronghorn antelope and its management. Wildlife Management Inst., Washington, D.C. 235 pp.

Pilsbry, H.A. 1948. Land Mollusca of North America (north of Mexico). Monograph of the Academy of Natural Sciences of Philadelphia, 2(2): 521-1113.

Dalquest. W. W. 1948. Mammals of Washington. University of Kansas Museum Natural History Publ. 2:1-444.

Wallace, G.J. 1948. The barn owl in Michigan, its distribution, natural history, and food habits. Michigan State College Agricutlral Exp. Sta., Tech. Bull. 208, East Lansing, Michigan. 61 pp.

Miller, R. R. 1948. The cyprinodont fishes of the Death Valley system of eastern California and southwestern Nevada. University of Michigan Museum of Zoology, Miscellaneous Publications 68:1-155.

Crabb, W. D. 1948. The ecology and management of the prairie spotted skunk in Iowa. Ecological Monographs 18:201-232.

Buckalew, J. H. 1948. Pied-billed grebe escapes duck hawk. Wood Thrush 4:59.

Fitch, H. S. 1948. Habits and economic relationships of the Tulare kangaroo rat. Journal of Mammalogy 29:5-35.

Phillips, A. R. 1948. Geographic variation in Empidonax traillii. Auk 65:507-514.

Wilder, D.G. 1947. A comparative study of the Atlantic Salmon, Salmo salar Linnaeus and the Lake Salmon, Salmo salar sebago (Girard). Canadian Journal of Research 25:175-189.

Dos Passos, C. F., and L. P. Grey. 1947. Systematic catalogue of Speyeria (Lepidoptera, Nymphalidae) with designations of types and fixations of type localities. American Museum Novitates 1370.

Fitch, H. S. 1947. Ecology of a cottontail rabbit (SYLVILAGUS AUDUBONII) population in central California. California Fish and Game 33:159-184.

Bump, G. et. al. 1947. The ruffed grouse: life history, propagation and management. New York State Conservation Department. 1947. 915 pp.

Edminster, F.C. 1947. The ruffled grouse -- its life story, ecology, and management. Macmillan, New York. 385 pp.

Banfield, A. W. F. 1947. A study of the winter feeding habits of the Short-eared Owl in the Toronto region. Canadian Journal of Research 25:45-65.

Neff, J. A. 1947. Habits, food, and economic status of the band-tailed pigeon. North American Fauna 58:1-76.