632 12. BOID^ 



Nat. Mus., No. I, 1875, p. 43; Cope, Bull. U. S. Nat. Mus., No. 



32, 1887, p. 65; Stejneger, Proc. U. S. Nat. Mus., Vol. XII, 1889, 



p. 98; Stejneger, Proc. U. S. Nat. Mus., 1891, p. £12-515. 

 Charina trivirgata Garman, Mem. Mus. Compr. Zool. Cambr., Vol. 



VIII, No. 3, 1883, p. 131 (part); Boulenger, Cat. Snakes Brit. 



Mus., Vol. I, 1893, p. 129 (part). 

 Lichantira orcutti Stejneger, Proc. U. S. Nat. Mus., Vol. XII, 1889, 



p. 96, fig. I (type locality, Colorado Desert, San Diego County, 



California); Stejneger, West Amer. Scientist, Vol. VI, No. 46, 



1889, p. 83; Stejneger, Proc. U. S. Nat. Mus., Vol. XIV, 1891, 



p. 513-515; Cope, Proc. U. S. Nat. Mus., Vol. XIV, 1892, p. 592; 



Cope, Report U. S. Nat. Mus., for 189S, 1900, p. 726, fig. 147; 



Werner, Archiv fur Naturgeschichte, Vol. 87, 1921, Abt. A, 



Heft 7, p. 260. 

 Lichanura simplex Stejneger, Proc. U. S. Nat. Mus., Vol. XII, 1889, 



p. 97, fig. 2 (type locality, San Diego, Cal.) 

 Lichanura trivirgata Werner, Archiv fur Naturgeschichte, Vol. 87, 



1 921, Abt. A, Heft 7, p. 259 (part). 



Description. — Top of head nearly flat, covered with small 

 smooth scales. Snout long, with a more or less prominent 

 high rostral plate. Superior labials 13 or 14, high anter- 

 iorly, but with tips sometimes cut off and appearing as small 

 scales below loreals. Inferior labials 15 to 17. Loreals 

 usually three, but their number not at all constant. About 

 seven to 10 scales encircling eye. Scales on body smooth, 

 imbricate, nearly as wide as long, and arranged in from 35 

 to 43 longitudinal rows, lowest row on each side formed of 

 larger scales. Gastrosteges narrow, varying in number from 

 220 to 242. Urosteges varying in number from 38 to 48} 

 in a single series. Spurs small, but easily seen at each side 

 a little in front of anus. 



The color above is light bluish or brownish gray or deep 

 drab, with or without three more or less indefinite reddish 

 or yellowish brown longitudinal bands. The middle one of 

 these bands originates between the eyes, while the others 

 arise on the temples. All or none of these bands may extend 



