. 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. MAMMALS OP MEXICAN BOUNDARY. 327 CITELLUS TRIDECEMLINEATUS TEXENSIS Merriam. TEXAS THIRTEEN-LINED GROUND-SaXTIKREL. Spermophilus tridecemlineMus texends Merkiam, Proc. Biol. Soc. Waehington, XII, p. 71, Mar. 24, 1898 (original description).—Millek and Rehn, Proc. Boat. Nat. HiHt., XXX, No. 1, Dec. 27, 1901, p. 56 (Syst. Resu
. 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. MAMMALS OP MEXICAN BOUNDARY. 327 CITELLUS TRIDECEMLINEATUS TEXENSIS Merriam. TEXAS THIRTEEN-LINED GROUND-SaXTIKREL. Spermophilus tridecemlineMus texends Merkiam, Proc. Biol. Soc. Waehington, XII, p. 71, Mar. 24, 1898 (original description).—Millek and Rehn, Proc. Boat. Nat. HiHt., XXX, No. 1, Dec. 27, 1901, p. 56 (Syst. Results Study N. Am. Mam. to close of 1900). \_^p(')philus tridecemlineaius'] texensis, Elliot, Field Col. , Zool. Ser., II, 1901, p. 101. (Synop. Mam. N. Am.) Type-locality.—Gainesville, Cooke County, Texas. (Type, skin and skull, No. \\\\^ collection of Dr. C. Hart Merriam.) Geograpldcal range.—Lower Austral zone in southern Texas. The original description of C'itellvti tridec'emlineatux texevf<in reads as follows: Characters.—Similar to S. terelinaudus, but smaller; ground color of upper parts, including base of tail, redder; middle stripe of underside of tail uniform deep reddish, not grizzled with black; no yellowish-olive tinge in any pelage and less seasonal difference in color than in any of the other forms. Color.— Winter pelage: Ground color of upper parts, including base of tail, rich deep ferruginous or rusty, slightly grizzled with black hairs; nose grayish, slightly griz- zled with rusty; sides of neck, feet, and underparts buffy; head marblings, dorsal stripes and spots, chin and lips buffy-white; rusty underside of tail sometimes partly hidden by bufty tips. Summer pelage: Similar to winter pelage, but ground color duller and light stripes and spots more buffv. (Proc. Biol. Soc. Washington, XII, p. 71.) Remarks.—Dr. J. A. Allen," referring to specimens collected in Bee 'County, Texas, b}' Mr. J. M. Priour, observes: "In coloration t
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