. Annual report of the Board of Regents of the Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archives; Discoveries in science. 996 REPORT OF NATIONAL MUSEUM, calls to miud that of the Carphophiops amccnus of Say. It is, however, much larger, and the scales are very strongly carinated. The cariuae are found on all the longitudinal rows of scales, of which there are nineteen exclusive of the belly scales. The external row is almost as sharply keeled as those on the back, even to the tij) of the tail. The dorsal scales are narrow and elongated; the sides nearly
. Annual report of the Board of Regents of the Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archives; Discoveries in science. 996 REPORT OF NATIONAL MUSEUM, calls to miud that of the Carphophiops amccnus of Say. It is, however, much larger, and the scales are very strongly carinated. The cariuae are found on all the longitudinal rows of scales, of which there are nineteen exclusive of the belly scales. The external row is almost as sharply keeled as those on the back, even to the tij) of the tail. The dorsal scales are narrow and elongated; the sides nearly parallel except near the ends. As already stated, the head is very small, the vertical plate is subhexagonal, the two anterior sides forming a very obtuse angle; the external edges are very convergent posteriorly. The nos- trils in the middle of the two plates. There are one anteorbital and two postorbitals; there are six labials above and seven below, in addi- tion to the rostrals. The ground color of this snake is a light purplish brown, with four rows of large, nearly circular, blotches covering the whole back and sides. They are arranged so as to alternate; the outer blotches on the outer row are a little larger than those on the two central ones, and are of the width offour or five scales. The belly is of a pale brick red, fading to brownish yellow in alcohol, with a well-defined blotch of black near the exterior of each scale. These give rise to a series of very well-defined round black spots ou either side of the abdomen, and there is also an obscure series of dark blotches on the anterior edge of the scales in the exterior dorsal row. The dots in this series are separated by intervals of two unmarked scales. The spots of this row alternate with those of the larger series immediately above. On separating the scales the skin is seen to be colored like the adja- cent scales. It is black in the dark blotches and very light in the intermediate space, giving rise to the appe
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