19. LICHAN0EA. 129 



7. Eryx jayakari. (Plate V. fig. 3.) 

 Eryx jayakai'i, Bouleng. Ann. ^ Mag. N. S. (6) ii. 1888, p. 508. 



Eyes extremely small and entirely on the upper surface of the 

 head. Rostral large and broad, with angular horizontal edge ; the 

 rostral, the internasals, and a small shield meet with their angles, 

 the sutures forming an X j four scales from eye to eye across the 

 forehead ; nine or ten scales round the eye, which is separated from 

 the labials by one large scale ; eleven upper labials. A mental 

 groove. Scales smooth, in 39 rows. Ventrals narrow, 175 ; anal 

 small ; subcaudals 20. Tail pointed, ending in a curved, claw-like, 

 horny scute similar to the anal spurs. Greyish brown above, with 

 whitish spots and numerous, rather irregular, dark brown cross 

 bands ; head dotted with dark brown; lower parts white. 



Total length 400 millim. ; tail 25. 



Arabia. 



a. ? (V. 175 ; 0. 20). Muscat. A. S. a. Jayakar, Esq. [P.]. (Type.) 



19. LICHANUEA. 



Lichanura, Cope, Proc. Ac. Philad. 1861, p. 304; Jan, Icon. Gin. 

 Ophid. p. 69 (1865) ; Bocourt, Miss. Sc. Mex., Rept. p. 513 (1882) ; 

 Cope, Am. Nat. 1886, p. 293, and Pi-oc. U.S. Nat. Mus. xiv. 1892, 

 p. 590. 



Head not distinct from neck, covered with scales ; rostral mode- 

 rate ; nostril between two nasals. Eye small, with vertical pupil. 

 Body cylindrical ; scales small, smooth. Tail short, thick, obtuse 

 at the end, but slightly prehensile ; subcaudals single. 



Western North America. 



1. Lichanura trivirgata. 



Lichanura trivirgata, Cope, Proc. Ac. Philad. 1861, p. 304; Jan, 

 Icon. Gin. p. 70 (1865) ; Bocourt, Miss. Sc. Mex., Rept. p. 514 

 (1882) ; Stejneger, Proc. U.S. Nat. Mus. xii. 1889, pp. 97, 98, 



%• 

 roseofusca, Cope, Proc. Ac. Philad. 1868, p. 2 ; St^neger, I. v. 



p. 98 ; Cope, Proc. U.S. Nat. Mus. xiv. 1892, p. 691. 



myriolepia, Cope, I. c. ; Stejneger, I. c. 



Charina trivirgata, Gai-m. N. Am. Rept. p. 8 (1883). 



Lichanura orcutti, Stejneger, I. c. p. 96, fig. 



simplex, Stejneger, I. c. p. 97, fig. 



Snout prominent. Eostral deeper than broad ; anterior nasal 

 large, in contact with its fellow behind the rostral ; a ring of seven 

 to ten scales round the eye ; 13 to 15 upper labials. Scales in 33 

 to 45 rows. Ventrals 218-232; anal entire; subcaudals 39-49. 

 Yellowish, brown, or grey above, with or without three dark brown 

 longitudinal bands ; belly yellowish or pinkish, dotted or mottled 

 irregularly with brown. 



Total length 870 miUim. ; tail 110. 



California and Lower California. 



VOL. T. K 



