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PROCEEDINGS OF THE DESERT FISHES COUNCIL
<br />Doctoral Dissertation. University of Louisville,
<br />Louisville, Kentucky USA.
<br />Turner, Bruce J. & Robert K. Liu. 1977. Extensive
<br />interspecific genetic compatibility in the New World
<br />killifishgenus Cyprinodon. Copeia 1977(2):259-269.
<br />Turner, Billie L. 1971. Taxonomy of Sartwellia
<br />(Compositae-Helenieae). Sida 4:265-273.
<br />. 1972. A new species of Dyssodia (Compositae)
<br />from north central Mexico. Madrono 21:421-422.
<br />. 1972. Two new gypsophilous species of
<br />Gaillardia (Compositae) from northcentral Mexico.
<br />The Southwestern Naturalist 17:181-190.
<br />. 1973. Machaerauthera restiformis (Asteraceae),
<br />a bizarre new gypsophile from northcentral Mexico.
<br />American Journal of Botany 60:836-838.
<br />. 1973. Two new gypsophilous species of
<br />Machaeranthera (Asteraceae: Astereae) from
<br />north-central Mexico. Phytologia 26:116-120.
<br />1977. New species of Eupatorium (Asteraceae)
<br />from north-central Mexico. Wrightia 5(9):352-354.
<br />. 1978. Taxonomic study of the scapiform species
<br />of Acourtia (Asteraceae: Mutisieae). Phytologia
<br />38(6):456-468.
<br />. 1982. Revisional treatment of the Mexican
<br />species of Seymeria (Scrophulariaceae). Ibid.
<br />51(6):403-422.
<br />1990. Taxonomy of Varilla (Asteraceae:
<br />Heliantheae). Ibid. 69(1):4-13.
<br />& A. Michael Powell. 1979. Deserts, gypsum
<br />and endemism. Pp. 96-116, in J. R. Goodwin & D.
<br />K. Northington (eds.). Arid Land Plant Resources.
<br />International Center for Arid and Semi-arid Land
<br />Studies (ICASALS), Texas Technological University,
<br />Lubbock USA.
<br />Urban, Emil K. 1959. Birds from Coahuila, Mexico.
<br />Master's Thesis, Univesity of Kansas, Lawrence
<br />USA.
<br />. 1959. Ibid. Publications of the University of
<br />Kansas Museum of Natural History 11(8):443-516.
<br />Urbatsch, Lowell E. 1975. First chromosome number
<br />reports for some Compositae. The Southwestern
<br />Naturalist 20:283-285.
<br />Val Guerra, L. 1952. Ichthyological survey of the the
<br />Rio Salado, Mexico. Master's Thesis. The
<br />University of Texas, Austin USA.
<br />Van Devender, Thomas R. 1990. Late Quaternary
<br />vegetation and climate of the Chihuahuan Desert,
<br />United States and Mexico. Pp. 104-133, in Julio L.
<br />Betancourt, Thomas R. Van Devender & Paul S.
<br />Martin, Packrat Middens: The Last 40,000 Years
<br />of Biotic Change. The University of Arizona Press,
<br />Tucson USA.
<br />& George L. Bradley 1990. Late Quaternary
<br />mammals from the Chihuahuan Desert: Paleoecology
<br />and latitudinal gradients. Pp. 350-362, in Ibid.
<br />1993 - VOLUME XXV
<br />Vermeij, G. J. & A. P. Covich. 1978. Coevolution of
<br />freshwater gastropods and their predators. American
<br />Naturalist 112:833-843.
<br />Walker, J. Martin. 1981. Systematics of
<br />Cnemidophorus gularis. 1. Reallocation of
<br />populations currently allocated to Cuentidophorus
<br />gularis and Cnemidophorus scalaris in Coahuila,
<br />Mexico. Copeia 1981(4):826-849.
<br />Wall, James R., Grover E. Murray & G. Teodoro
<br />Diaz. 1961. Geologic occurrence of intrusive gypsum
<br />and its effect on structural forms in Coahuila
<br />marginal folded province of northeast Mexico.
<br />American Association of Petroleum Geologists
<br />Bulletin 45:1504-1522.
<br />Wasserman, A. O. 1970. Scaphiopus couchi. Catalog
<br />of American Amphibians & Reptiles 85.1-85.4
<br />Wauer, Roland H. & David Riskind,(eds.). 1978.
<br />Transactions of the Symposium on the Biological
<br />Resources of the Chihuahuan Desert Region,
<br />United States and Mexico. U.S. National Park
<br />Service Transactions and Proceedings Series 3(1977).
<br />Government Printing Office, Washington, District of
<br />Columbia USA.
<br />Waterfall, U. T. 1959. A revision of Eucuide.
<br />Rhodora 61(729):231-243.
<br />Weaver, W. G. & Francis L. Rose. 1967. Systematics,
<br />fossil history, and evolution of the genus Chiyseinys.
<br />Tulane Studies in Zoology 14(2):63-73.
<br />Webb, Robert G. 1958. .Frogs of the genus
<br />Eleutherodactylus from Coahuila, Mexico.
<br />Herpetologica 13(4):263-264.
<br />. 1960. Notes on some amphibians and reptiles
<br />from northern Mexico. Transactions of the Kansas
<br />Academy of Science 63(4):289-298.
<br />. 1962. North American Recent soft-shelled turtles
<br />(family Trionichidae). Publications of the
<br />University of Kansas Museum of Natural History
<br />13:429-611.
<br />1973. Trionyx ater. Catalog of American
<br />Amphibians & Reptiles 137.1-137.2.
<br />1973. Trionyx spiuiferus. Ibid. 140.1-140.4.
<br />& John M. Legler. 1960. A new soft-shell turtle
<br />(genus Triouyx) from Coahuila, Mexico. University
<br />of Kansas Science Bulletin 40:21-30.
<br />Webb, Robert G., W[endell]. L. Minckley & James E.
<br />Craddock. 1963. Remarks on the Coahuilan box
<br />turtle, Terrapene coahuila (Testudines, Emydidae).
<br />The Southwestern Naturalist 8(1):89-99.
<br />West, Robert C. (ed.). 1964. Handbook of Middle
<br />American Indians, Volume 1. Natural
<br />Environments and Early Cultures. The University
<br />of Texas Press, Austin USA.
<br />West, Robert C. 1964. Surface configuration and
<br />associated geology of Middle America. Pp. 33-83, in
<br />Ibid.
<br />1964. The natural regions of Middle America.
<br />Pp. 363-383, in Ibid.
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