Laserfiche WebLink
discusses taxonomic relationships to the cutthroat <br />trout complex. The life history study includes <br />age and growth, sex composition, and interspecific <br />association. Environmental factors that affect <br />the present distribution in the study areas are <br />discussed in relation to the decline of cutthroat <br />trout in the South Platte drainage. <br />121. Dill, Q. A. 1944. The fishery of the lower SURVEX <br />Colorado River. California Fish and Game WATER QUAL. <br />30(2):109-211. FISH <br /> tdATE~t DIV , <br />This study is a reconnaissance of the lower TMPQUNDMENT$ <br />Colorado River between Needles, California, and CQLORADO R, <br />Yuma, Arizona. Most of the time was devoted to <br />a biological, physical, and chemical survey of <br />the waters and to the effects of dams and <br />diversions on the fishery. The study also <br />included fish collections and a study on fishing <br />intensities. <br />122. Dotson, P. 1960. Notes on diseases, parasites, POPULATION <br />food, and condition of Green River fishes, FISH <br />1959. pp. 169-175 (Appendix B). In: A. POLLUTION <br />M. Woodbury (ed.) Ecological studies of DISEASE ' <br />the flora and fauna of Flaming Gorge <br />Reservoir basin, Utah and Wyoming. Univer- <br />sity of Utah Anthropology Papers. Colorado <br />River Basin Series No. 3, 48:60-61. 243 <br />PP• <br />Discusses the diseases and parasites found on <br />fishes in the Green River during the summer of <br />1959. Flannelmouth and bluehead puckers seemed <br />to be more susceptible to diseases than other <br />fish found in the system. Industrial pollution <br />from Green River, Wyoming is suggested as a <br />possible cause. <br />123. Douglas, P. A. 1952. Notes on the spawning of ENDANG. FISH <br />the humpback sucker, Xyrauchen texanus SPAWNING <br />(Abbott). California Fish and Game TEMPERATURE <br />38(2):149-185. LIFE HISTORY <br />4 <br />In 1950, observations on the spawning activities <br />of Xyrauchen texanus (Abbott) in Lake Havasu, <br />San Bernadino County, California, were made. A <br />general description of the lake, spawning <br />56 <br />