. The natural history of Washington territory, with much relating to Minnesota, Nebraska, Kansas, Oregon, and California, between the thirty-sixth and forty-ninth parallels of latitude, being those parts of the final reports on the survey of the Northern Pacific railroad route, containing the climate and physical geography, with full catalogues and descriptions of the plants and animals collected from 1853 to 1857 . del. .RMetzeroth sc. ZOOLOGY MAMMALS. 81 spring of the western regions and the edges of perpetual snow on the mountains, would beequal to many degrees of latitude on th


. The natural history of Washington territory, with much relating to Minnesota, Nebraska, Kansas, Oregon, and California, between the thirty-sixth and forty-ninth parallels of latitude, being those parts of the final reports on the survey of the Northern Pacific railroad route, containing the climate and physical geography, with full catalogues and descriptions of the plants and animals collected from 1853 to 1857 . del. .RMetzeroth sc. ZOOLOGY MAMMALS. 81 spring of the western regions and the edges of perpetual snow on the mountains, would beequal to many degrees of latitude on the eastern coast, and judging from analogous facts shouldhave an influence on these characters. Their principal food on the eastern slopes of the Cascademountains was the pine nut, and during September I observed them very busy extracting thesefrom the still hanging cones, ascending the trees to a considerable height, though at other timesthey rarely leave the ground. I find it stated in my notes tliat they had there a similar shrillcry to that of the eastern species. Specimens from Shoal water bay measure : male, head and body, 5| inches; tail, 4 to 5 inches;head, 1^; ear, |—|. From Steilacoom, Pugel-s Island: male, 5^; tail, 4^; foreleg 2^; hind leg,3 inches. Female, 6 ; tail, 4 ; fore leg, 3 ; hind leg, 3^ inches. SPERMOPHILUS BEECHEYI. California Ground Squirrel. •lirctomys (Spermophibts) beeckeyi, Ri


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Keywords: ., bookcentury1800, bookdec, booksubjectnaturalhistory, bookyear1859