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Creator:: Nussbaum, Ronald A.
Abstract:: Dicamptodon is the single, extant genus of the ambystomatid subfamily Dicamptodontinae. Two species, D. ensatus (Eschscholtz) and D. copei Nussbaum are recognized. D. ensatus is found in the forested, mountain regions of northwestern California and western Oregon, in the Willapa Hills and Cascade Mountains of Washington, in extreme southwestern British...
Resource Type:: Dissertation
Full Text:: biogeographical matters. Dr. Edmund D. Brodie, Jr. photographed specimens for me (Figures 10, 23, and 24); as

Creator:: Taylor, James Thomas
Abstract:: In the summers of 1973, 1974 and 1975, I investigated population age structure and density, and behaviors relating to habitat selection, predator avoidance and intraspecific interaction in a population of northwestern salamanders in a lake in the Oregon Cascade Mountains. The study was carried out by skin- and scuba-diving at...
Resource Type:: Dissertation
Full Text:: and consistency in the aging method. The shift towards predominance of older animals in the 9'o

Creator:: Clothier, Glen Warren
Resource Type:: Dissertation
Full Text:: equation M = ab was 0.87 (r+O. 8196, p < 0.01) and 0.68 (r+0. 9488, p < 0. 01) for neotenic and

Creator:: Clover, Robert C.
Abstract:: Phenetic relationships in insular populations of Lacerta sicula and L. melisellensis correspond to geologic ages of the islands in two regions of the Adriatic Sea. Populations of L. melisellensis on older islands are more similar to populations of L. sicula than are L. melisellensis from younger islands, and examination of...
Resource Type:: Dissertation
Full Text:: . George C. Gorman kindly invited me to accompany his field expedition to Yugoslavia, and with Dr. M

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