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purchase of fishing tackle and sporting arms and ammunition; food, fuel, and other supplies; licenses and fees; vehicles and trailers; the hire of services and equipment; and the rental of motels, cabins, and other accommodations. Understandably, the interest in fish and wildlife goes beyond that shown by fishermen and hunters. From all walks of life, people of the Pacific Southwest find interest in such highly satisfactory activities as observing and studying fish and wildlife, especially birds. There are many clubs dedicated to the study of birds and other nature subjects. Other people in turn derive great satisfaction from wildlife photography, nature hikes, attending lectures and movies, or just reading about wildlife. In one way or another, the exercise of this interest contributes to the well-being of a large segment of the growing population of the Pacific Southwest and to its economic bloodstream. It will be difficult to meet the future demands of fishermen and hunters and of that large segment of the population that has other sympathetic interests toward fish and wildlife. Present demands are not being met, and there is little likelihood that those of the future can be met. Yet, because of the importance of fish and wildlife to the economy of the region, efforts should be renewed to capitalize on all available opportunities to provide more adequately the needed fish and wildlife habitat and, concomitantly, more space in which to fish and hunt and study. For these purposes, land is important and water even more so in the arid Pacific Southwest. Distribution The Pacific Southwest is a region of great contrast in physiography, climate, and vegetation. There are vast deserts; mountains that are barren, some that are sparsely forested, and still others that are heavily forested; fertile agricultural valleys; open foothills and those covered with chaparral; deep gorges of the Colorado River; and cold deep-water lakes, many of which are man-made. It is a region where precipitation for the most part is extremely low and yet contains sections where rain and snow are fairly heavy. With such extremes, there is a variety of plant life and habitats and of fish and wildlife species. Several species of trout occur in the Pacific Southwest. In the cool streams of the forested high-country, rainbow, cutthroat, brook, and brown trout are commonly caught. In the cold impounded waters of the Lower Colorado River and the cool reaches of the river below the dams, rainbow trout reach good size and provide attractive fishing. For the most part, however, introduced warmwater fishes predominate in the waters of the Pacific Southwest. Lake Mead, back of Hoover Dam, is justly famed for its excellent largemouth bass which are 2Epson Perfection 4870 Photo, 400 dpi, 8 bit, 14,159,872 byte