. Mammals of the Mexican boundary of the United States : a descriptive catalogue of the species of mammals occurring in that region; with a general summary of the natural history, and a list of trees . Mammals; Mammals; Trees; Trees; Natural history; Natural history. Fig. 112.—Sigmodon hispidus akizon^e. Skull of type. a. dorsal view; 6, ventral view; C LATERAL VIEW. Remarks.—This is much the largest representative of the genus Sigmodon found within the United States. It is known only from the Verde River, in central Arizona; from the San Pedro River, at Fair- bank, in southern Arizona; and fr
. Mammals of the Mexican boundary of the United States : a descriptive catalogue of the species of mammals occurring in that region; with a general summary of the natural history, and a list of trees . Mammals; Mammals; Trees; Trees; Natural history; Natural history. Fig. 112.—Sigmodon hispidus akizon^e. Skull of type. a. dorsal view; 6, ventral view; C LATERAL VIEW. Remarks.—This is much the largest representative of the genus Sigmodon found within the United States. It is known only from the Verde River, in central Arizona; from the San Pedro River, at Fair- bank, in southern Arizona; and from Granados, on the Yaqui River, in Sonora, Mexico. SIGMODON HISPIDUS EREMICUS Mearns. WESTERN DESERT COTTON-RAT. Sigmodon hispidus eremicus Meaens, Proc. U. S. Nat. Mus., XX, 1898, p. 504 (advance sheet issued Mar. 5, 1897; original description).—Miller and Rehn, Proc. Bost. See. Nat. Hist., XXX, No. 1, Dec. 27, 1901, p. 90 (Syst. Results Study N. Am. Mam. to close of 1900); XXXI, Aug. 27, 1903 (Syst. Results Study N. Am. Mam. during the years 1901 and 1902).—Bailey, Proc. Biol. Soo. Washington, XV, p. 107, June 2, 1902 (Synopsis of the North American Species of Sigmodon). [Sigmodon hispidus] eremicus, Elliot, Field Col. Mus., Zool. Ser., II, 1901, p. 145 (Synop. Mam. N. Am). [Sigmodon] hispidus eremicus, Elliot, Field Col. Mus., Zool. Ser., IV, 1904, p. 227 (Mam. Mid. Am.). Type-locality.—Colorado River bottom, 30 miles below Monument No. 204, in Sonora, Mexico. (Type, skin and skull. Cat. No. 60319, U. S. National Museum.) Geographical range.—Inhabits marshes, alfalfa fields, and brushy ground in the vicinity of streams in the Western Desert Tract. Description.—Size medium. Coloration pallid and yellowish. Up- per surface yellow-brown mixed with gray and darker brown; sides and rump tinged with ochraceous. Under surface white, the gray undercoat appearing between the hairs. Feet grayish white. Tail. Please note that these images are extracted from scanned page
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