. Results of a biological survey of Mount Shasta, California. Natural history; Natural history. , 189U.] STREAMS. 23 of smaller plants. These places, iu Mud Greek and Ash Greek canyons, are the homes of the mountain showt'l or sewellel {Aplodontia major), a curious bob-tailed rodent resembling a large muskrat, which lives in a labyrinth of subterranean passages in wet ground, and cuts and drags to its burrows bundles of coarse iilants on which it feeds. Weasels {Pntorl^is ai'nonensix) are usually found in the aplodontia colonies and it is safe to assume that their presence there is the most se
. Results of a biological survey of Mount Shasta, California. Natural history; Natural history. , 189U.] STREAMS. 23 of smaller plants. These places, iu Mud Greek and Ash Greek canyons, are the homes of the mountain showt'l or sewellel {Aplodontia major), a curious bob-tailed rodent resembling a large muskrat, which lives in a labyrinth of subterranean passages in wet ground, and cuts and drags to its burrows bundles of coarse iilants on which it feeds. Weasels {Pntorl^is ai'nonensix) are usually found in the aplodontia colonies and it is safe to assume that their presence there is the most serious factor in the life of the rightful owners of the land. STREAMS. The streams that come from glaciers are rapid, turbid, and muddy, and have cut deep V-shaped canyons down the steep slopes of the mountain. Those that coaie from melting snow are clear as crystal. FiQ, 10. Heatlier meadow on upper Squaw Creek, abowinii fouceiitration of vei;etation near stream. and usually flow on the surface or in shallow channels hardly more than a foot or two in depth. They are smaller and less constant than those from the glaciers, and in times of high water carry so much gravel and pumice that they often block their own shallow channels and overflow cutting new courses near the old ones. During the fluc- tuations incident to the irregular melting of snow they often reopen the older channels and at the same time retain the new, so that on the higher slopes it is not unusual for a mountain rivulet to occupy several beds at the same time. These are commonly separated by intervals of a few feet or a few rods, and the spaces between are often covered with patches of red heather, dotted with flowering plants of many Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Merriam, C. Hart (Clinton Hart), 1855-1942. Washingto
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