Shreve, F., and I.L. Wiggins. 1964. Vegetation and flora of the Sonoran Desert. 2 volumes. Stanford Univ. Press, Stanford. 1740 pp.

Horvath, O. 1964. Seasonal differences in rufous hummingbird nest height and their relation to nest climate. Ecology 45:235-241.

Leech, Hugh, B. 1964. A new species of Agabus from the Death Valley Region of California (Coleoptera: Dytiscidae). The Coleopterists' Bulletin. 18:79-82.

MacMillen, R. E. 1964. Population ecology, water relations and social behavior of a southern California semidesert rodent fauna. University of California Publications in Zoology 71:1-59.

Soper, J. D. 1964. The Mammals of Alberta. Hamly Press Ltd., Edmonton, AB. 402 pp.

John, K. R. 1964. Survival of fish in intermittent streams of the Chiricahua Mountains, Arizona. Ecology. 45:112-119.

Mumford, R.E. er. al. 1964. June bat records from guadalupe Canyon, New Mexico. Southwest. Nat. 9:43-45.

Unknown. 1964. Astragalus cobrensis general information. United States Forest Service (USFS) Regional Office, Albuquerque, NM. p.4.

Austing, G.R. 1964. The world of the red-tailed hawk. Phil- adelphia: J.B. Lippincott Company.

Jones, R. E. 1964b. Habitat used by lesser prairie chickens for feeding related to seasonal behavior of plants in Beaver County, Oklahoma. Southwestern Naturalist 9:111-117.

Peterson, R. T. 1964. Introduction. In Bird Studies at old Cape May. Dover Pub., New York, New York.

Goertz, J.W. 1964. Habitats of three Oregon voles. Ecology, 45(4):846-848.

Wobus, V. 1964. Der Rothalstaucher (Podiceps grisegena Boddaert). A. Ziemsen Verlag, Wittenberg Lutherstadt.

Nice, M.M. 1964. Studies in the life history of the song sparrow. 573 pp.

Barneby, R.C. 1964. Atlas of North American Astragalus. 2 Vols. New York Botanical Garden, Bronx, New York. 1188 pp.

Keith, A.R. 1964. A thirty year summary of the nesting of the barn owl on Martha's Vineyard, Massachusetts. Bird-Banding 35:22-31.

Buffington, L. C. 1964. Vegetational changes on a semi- desert grassland range from 1958 to 1963. Unpubl. thesis, New Mexico State University, Las Cruces. 93 pp.

Hensel, R. J., and W. A. Troyer. 1964. Nesting studies of the bald eagle in Alaska. Condor 66:282-286.

Bull, J. 1964. Birds of the New York area. Harper and Row, New York. 540 pp.

Miller, R. R. and C. H. Lowe. 1964. Part 2: An annotated check-list of the fishes of Arizona. Pp. 133-51 in C. H. Lowe (ed.). The vertebrates of Arizona. University of Arizona Press, Tuscon, AZ.

Johnson, C. 1964. Seasonal ecology of Ischnura damula Clavert (Odonata: Coenagrionidae). Texas Journal of Science. 16:50-61.

Barneby, R.C. 1964 Mem. NY Bot Gard. 13:276-277.

Miller, A.H. and R.C. Stebbins. 1964. The lives of desert animals in Joshua Tree National Monument. University of California Press, Berkeley.

Mumford, R.E. and J.B. Cope. 1964. Distribution and status of the Chiroptera of Indiana. American Midland Naturalist 72(2):473-489.

McDowell, S. B. 1964. Partition of the genus Clemmys and related problems in the taxonomy of the aquatic testudinidae. Proc. Zool. Soc. London 143:239-279.

Bell, R. E. 1964. A sound triangulation method for counting barred owls. Wilson Bull. 76:292-294.

Mumford, R. E. 1964. The breeding biology of the Acadian flycatcher. Univ. Michigan Mus. Zool. Misc. Publ. No. 175. 50 pp.

Dennis, J. V. 1964. Woodpecker damage to utility poles: with special reference to the role of territory and resonance. Bird-Banding 35:225-53.

Van Nostrand, F. C., and A. B. Stephenson. 1964. Age determination for beavers by tooth development. Journal of Wildlife Management 28:430-434.

Niles, D. 1964. Mexican chickadee. New Mexico Ornithological Society field notes. McKnight, B.D. and D.M. Niles (EDS). Seasonal report #6. June 1 - Nov 30, 1964.

Campbell, C.J. and W.A. Dick-Peddie. 1964. Comparison of Phreatophyte communities on the Rio Grande in New Mexcio. Ecology 45:492-502.

Dos Passos, C. F. 1964. A synonymic list of the neartic Rhopalocera. Lepidopterists' Society Memoir No. 1.

Enderson, J. H. 1964. A study of the Prairie Falcon in the central Rocky Mountain region. Auk 81:332-352.

Niles, D. 1964. Mexican junco. New Mexico Ornithological Society field notes. McKnight, B.D. and D.M. Niles (eds). Seasonal report #6. June 1 - Nov 30, 1964. p.16.

Findley, J. S., and C. Jones. 1964. Seasonal distribution of the hoary bat. Journal of Mammalogy 45:461-470.

New Mexico Ornithological Society. 1964. June 1-November 30. NMOS Field Notes. (6):7.

Freeman, H.A. 1964. Larval habits of Agathymus mariae. Journal of the Research on the Lepidoptera 3: 145-147.

Halloran, A.F. 1964. 1964 wildlife reconnaissance of the White Sands Missile Range. 51 p.

Schwartz, P. 1964. The Northern Waterthrush in Venezuela. Living Bird 3: 169-184.

Gould, E., N.C. Negus, and A. Novick. 1964. Evidence for echolocation in shrews. J. Exp. Zool. 156:19-38.

Northcott, T. H. A. 1964. An investigation of the factors affecting carrying capacity of selected areas in Newfoundland for the beaver, Castor canadensis caecator Bangs, 1913. M.S. thesis, Memorial University, St. John's, Newfoundland. 133 pp.

Hespenheide, H. A. 1964. Competition and the Genus Tyrannus. Wilson Bull. 76:265-281.

Jones, R. E. 1964a. The specific distinctness of the greater and lesser prairie chickens. Auk 81:65-73.

Finzel, J.E. 1964. Avian populations of four herbaceous communities in southeastern Wyoming. Condor 66:496-510.

Slud, P. 1964. The birds of Costa Rica. Distribution and Ecology. Bull. Amer. Mus. Nat. Hist., 128:1-430.

Ahuja, S. K. 1964. Salinity tolerances of Gambusia affinis. Indian Journal of Experimental Biology 2:9-11.

PNDBRA01NMUS, Legacy reference. Physical copy not yet located.

Llewellyn, L.M. and F.H. Dale. 1964. Notes on the ecology of the opossum in Maryland. Jour. Mamm. 45:113-122.

Chew, R. M., and B. B. Butterworth. 1964. Ecology of rodents in Indian Cove (Mojave Desert), Joshua Tree National Monument, California. Journal of Mammalogy 45:203-225.

Parker, H.L. 1964. Natural history of Pimephales vigilax (Cyprinidae). Southwestern Naturalist 8(4):228-235.

Copelin, F. F. 1963. The Lesser Prairie Chicken in Oklahoma. Oklahoma Wildlife Conservation Department Technical Bulletin 6.

Overmire, T.G. 1963. The effects of grazing upon habitat utilization of the Dickcissel (SPIZA AMERICANA) and Bell's Vireo (VIREO BELLII) in north central Oklahoma. Ph.D. dissertation. Oklahoma State University, Stillwater, OK. 57 pp.

Hoyt, S. F. 1963. The changing status of the pileated woodpecker in New England. Bull. Mass. Audubon Soc. 47:114-7.

Selander, R. K., and D. R. Giller. 1963. Species limits in the woodpecker genus CENTURUS (Aves). Bulletin of the American Museum of Natural History 124: 213-274.

Regier, H.A. 1963. Ecology and management of largemouth bass and golden shiners in farm ponds in New York. New York Fish and Game Journal 10(2):139-169.

Friedmann, H. 1963. Host relations of the parasitic Cowbird. Museum of Natural History. Smithsonian Institution, Washington, D. C.

Jewett, Stanely G. Jr. 1963. A stonefly aquatic in the adult stage. Science. 139: pp. 484-485.

Theobald, W.L., C.C. Tseng, and M.E. Mathias. 1963. A revision of Aletes and Neoparrya (Umbelliferae). Brittonia. 16:296-315.

Savage, T. 1963. Reproductive behavior of the mottled sculpin, Cottus bairdi (Girard). Copeia 1963(2):317-325.

U.S. Fish and Wildlife Service (USFWS). 1963. Inventory of areas occupied by prairie dogs in 1961. Branch of predator and rodent control. Circular.