. Annual report of the Board of Regents of the Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archives; Discoveries in science. 984 REPORT OF MUSEUM, 1898. The only known specimen of this subspecies was found at Key West, Florida, and is preserved in the Museum of Comparative Zool- ogy, Cambridge, Massachusetts. NATRIX VALIUA Kennicott. Begina vaUda Kennicott, Proc. Acad. Nat. Sci. Pbila., 1860, p. 334. Tropidonotns validus Boulenger, Cat. Suakes Brit. Mue., I, 1893, p. 237. Scales in twenty-one rows, the inferior smooth. Head distinct from body, elongate
. Annual report of the Board of Regents of the Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archives; Discoveries in science. 984 REPORT OF MUSEUM, 1898. The only known specimen of this subspecies was found at Key West, Florida, and is preserved in the Museum of Comparative Zool- ogy, Cambridge, Massachusetts. NATRIX VALIUA Kennicott. Begina vaUda Kennicott, Proc. Acad. Nat. Sci. Pbila., 1860, p. 334. Tropidonotns validus Boulenger, Cat. Suakes Brit. Mue., I, 1893, p. 237. Scales in twenty-one rows, the inferior smooth. Head distinct from body, elongate and tapering to the muzzle. Internasals longer than wide; rostral elevated. Oculars 2-3 and 1-3; temporals 1-2. Superior labials eight, eye over fourth and fifth. Tail not compressed at base; gray or brown, with more or less distinct small spots on the sides. Belly not spotted. There are two subspecies of the Natrix valida, as follows: Spots small, uo bauds; belly pale N. v. valida. Lateral spots large; a vertebral dark and lateral light band; belly dark; N. V. celceno. NATRIX VALIDA VALIDA Kennicott. Begina valida Kennicott, Proc, Acad. Nat. Sci. Pbila., 1860, p. 334. Trojiidonotus validus Cope, Proc. Acad. Nat. Sci. Pbila., 1866, p. 310; Check-list N. Amer. Batr. Rept., 1875, p. 42; U. S. Geog. Surv. AY. 100th Mer., 1875, p. 612, pi. XXI. Trop-'donotiis tephropleura Cope, Proc. Acad. Nat. Sci. Pbila., 1860, p. Fig. 258. Natrix valida valida Kennicott. Eabeh Valley, Utah. Cat. No. 4650, Body stout; head large, short but high; broad posteriorly. Snout elongated, narrow, and pointed. Eostral as high as broad, subpentag- onal, the apex pointed. Frontal very narrow, obtusely pointed pos- teriorly; parietals small. Nineteen (sometimes twenty-one) rows of scales, all carinated except the exterior. Light brownish ash above, with faint black markings upon the bases of the scales of the first, fourth, and eighth rows of scales. Abdomen entirely uniform yellowish. The tai
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