Wood, N. A. 1951. The birds of Michigan. University of Michigan, Ann Arbor, Museum of Zoology Miscellaneous Publication No. 75. 559pp.

Young, S.P. and H.H.T. Jackson. 1951. The clever coyote. Part l. its history, life habits, economic status and control. Part ll. classification of the races of the coyote.Wash. 411 pp.

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

Hershkovitz, P. 1950. Mammals of northern Colombia. Preliminary report no. 6: Rabbits (Leporidae), with notes on the classification and distribution of the South American forms. Proceedings of the United States National Museum 100:327-375.

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.

LaRivers, Ira. 1950. The meeting point of Ambrysus and Pelocoris in Nevada. Pan-Pacific Ent. XXVI(1): pp. 91-21.

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.

Bent, A.C. 1950. Life histories of North American wagtails, shrikes, vireos, and their allies. U.S. Natl. Mus. Bull. 197. Washington, D.C.

Stroud, C. P. 1950. A survey of the insects of the White Sands National Monument, Tularosa Basin, New Mexico. American Midland Naturalist. 44:659-677.

Wilde, S. A., C. T. Youngberg, and H. H. Hovind. 1950. Changes in composition of ground water, soil fertility, and forest growth produced by the construction and removal of beaver dams. Journal of Wildlife Management 14:123-128.

Coconino National Forest. 1950. Report on the Establishment of the G.A. Pearson Natural Area. US Forest Service, 19 p.

Allan, P. F. 1950. Scissor-tailed flycatcher, MUSCIVORA FORFICATA, feeding at night. Auk 67:517.

Campbell, H. 1950. Quail picking up lead shot. Journal of Wildlife Management 14:243-244.

Grasse, J. E., and E. F. Putnam. 1950. Beaver management and ecology in Wyoming. Wyoming Game and Fish Commission, Bulletin 6. 52 pp.

Campbell, H. 1950. Note on the behavior of marsh hawks towards lesser prairie chickens. Journal of Wildlife Management 14:477-478.

Correll, D.S. 1950. Native Orchids of North America North of Mexico. Chronica Botanica Company, Waltham, MA. 393 p.

Chenoweth, W. L. 1950. Records of amphibians and reptiles from New Mexico, Utah, and Arizona. Transactions of the Kansas Academy of Science. 53(4):532-534.

Hoyt, J. S. Y. 1950. Nine years' experience in keeping the pileated woodpecker in captivity. Aviculture 20:41-6.

Hart, C.M., O.S. Lee, and J.B. Low. 1950. The sharp-tailed grouse in Utah: its life history, status and management. Pub. No. 3, Utah State Department of Fish and Game.

Fitch, F. W., Jr. 1950. Life history and ecology of the scissor-tailed flycatcher, MUSCIVORA FORFICATA. Auk 67:145-168.

Low, J. B., L. Kay, and D. I. Rasmussen. 1950. Recent observations on the white pelican on Gunnison Island, Great Salt Lake, Utah. Auk 67:345-356.

Heter, E. W. 1950. Transplanting beavers by airplane and parachute. Journal of Wildlife Management 14:143-147.

Miller, R.R. 1950. Notes on the cutthroat and rainbow trouts with the description of a new species from the Gila River, NM. Occas Pap Mus Zool Univ Michigan. 529:1-42.

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.

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.

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.

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

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.

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

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.

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.

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

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.

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.

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

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

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.

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

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.

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

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.

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.

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.