. Annual report of the Board of Regents of the Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archives; Discoveries in science. 986 REPORT OF NATIONAL MUSEUM, 1898. Natrix valida valida Kennicott. Catalogue Ko. 4650 4683 1309 12642 Number of speci- mens. Locality. Rabeh Valley, TJtah. When collected. From wlioin received. Cape St. Lucas, Lower California. , Durango, Mexico La Paz, L. California 1 Feb. —, 1881 Capt. J. H. Simpson U. S. A. John Xantus , Dr. Thos. H. Webb L. Belding Nature of specimen. Alcoholic, do. do. NATRIX VALIDA CELiENO Cope. Tropidonotiia celamo
. Annual report of the Board of Regents of the Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archives; Discoveries in science. 986 REPORT OF NATIONAL MUSEUM, 1898. Natrix valida valida Kennicott. Catalogue Ko. 4650 4683 1309 12642 Number of speci- mens. Locality. Rabeh Valley, TJtah. When collected. From wlioin received. Cape St. Lucas, Lower California. , Durango, Mexico La Paz, L. California 1 Feb. —, 1881 Capt. J. H. Simpson U. S. A. John Xantus , Dr. Thos. H. Webb L. Belding Nature of specimen. Alcoholic, do. do. NATRIX VALIDA CELiENO Cope. Tropidonotiia celamo Copk, Proc. Acad. Nat. Sci. Pliila., 1860, p. 341. Scales iu nineteen or twenty-one rows, all cariuate except the first. Head broad and distinct posteriorly, constricted at tlie orbits, and remarkably narrow anteriorly. Profile of the crown slightly but regu-. Fig. 260. Natrix valida cel^no Copk. =--1. Cape St. Lucas, Lower California. Cat. No. 5281, larly convex. Superciliary plates narrow and elongate. Vertical elon- gate, its lateral borders concave, not convergent posteriorly, its length greater than that of the occipital suture. Froutals small, the anterior almost triangular. Nasals and loreal rather large, the posterior border of the latter very oblique. Preocular one, postoculars three, superior labials eight, eye resting on the fourth and fifth, sixth and seventh largest and bounded above by the first temporal. Remaining tempo- rals four on each side. Inferior labials ten, sixth longest. Posterior geiieials longer than the anterior. General form rather slender, tail one-fifth the total length. Gastrosteges, 145; one divided anal; uros- teges, 71. The general color is leaden black above and below, with the following paler markings: A band of leaden gray begins upon the neck, occupy- ing the second, third, and i)art of the first rows of scales. This extends to the anus, becoming darker and leaving the first row of scales poste-. Please note that these images ar
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