. Annual report of the Board of Regents of the Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archives; Discoveries in science. 748 REPORT OF NATIONAL MUSEUM, 1898. DIADOPHIS AMABILIS DOCILIS Baird and Girard. Diadophis docilis Baird aud Girard, Cat. N. Amer. Ropt., Pt. 1, Serp., 1853, p. 114. Dladophis tcxensis Kennicott, Proc. Acad. Nat. Sci. Phila., 1860, p. 328. Body above uniform bluish ash-gray; yellowish white beneath, spot- ted with black. A yellowish white occipital ring, margined with a narrow black Fig. 158. Diadophis amabilis docilis Baird and Gir
. Annual report of the Board of Regents of the Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archives; Discoveries in science. 748 REPORT OF NATIONAL MUSEUM, 1898. DIADOPHIS AMABILIS DOCILIS Baird and Girard. Diadophis docilis Baird aud Girard, Cat. N. Amer. Ropt., Pt. 1, Serp., 1853, p. 114. Dladophis tcxensis Kennicott, Proc. Acad. Nat. Sci. Phila., 1860, p. 328. Body above uniform bluish ash-gray; yellowish white beneath, spot- ted with black. A yellowish white occipital ring, margined with a narrow black Fig. 158. Diadophis amabilis docilis Baird and Girard. X 2. - Pecos to Eio Grande, Cat. No. 2078, Head narrower than in D. a. amabilis. Vertical plate subpentagonal, elongated, sides nearly parallel to the point where it enters between the occipitals. Prefrontals and eyes proportionally much smaller than in D. a. amabilis. Body very slender, covered with proportionally large scales. Head above blackish brown. Upper labials and head beneath yel- lowish, mottled with black. Occipi- tal ring yellowish white, covering the length of three scales. The anterior black margin i^asses to the black spots along the labials. Small black spots are irregularly scattered all over the abdomen; they form one series on each side, along the exterior and posterior margin of the scutellte, to the tip of the tail. All the scales are uniform ash-gray, but when ex- amined closely they api)ear punctured with minute black dots. The bases of the scales are black when stretched apart. The tail beneath is almost unicolor, exhibiting but very few dots. Devils River, Texas; gastrosteges, 193 -f 1; tirosteges, 57; total length, 11| inches; tail, 2^ inches. Two specimens (Cat. Nos. 2078, 5178) have seventeen rows of scales. Diadophis amabilis docilis Baird and Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may
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