122 COLTJBRII)^. 



A. Uuiform black or blackish olive ; chin sometimes yellowish. (iV. 



atra, Gosse.) 



a, b. 2 (V. 175, 181 ; Jamaica. P. II. Gosse, Esq. [P.]. 



C. 1(!0, P). (Types.) 



c. 2 (V. 183 ; C. 102). Jamaica. R. Heward, Esq. [P.]. 



d. S (V. 178: C. ?). BlueHelds, Jamaica. 



e. 2 (V. 173;' 0. 158). W. Indies. 



B. Pale olive, with small brown or black spots, a dark temporal 



streak, and usually a dark streak on the suture between the 

 parietals. {N. cajiistrata, Gosse.) 



a, b, c. 2 (V. 183; C. ?), Jamaica. P. H. Gosse, Esq. [P.]. 



hgr. (V. 176 ; C. 15P)), & (Types of N. cajnstrata.) 



yg. (V. 174; G. 158). 



d. 2 (V. 179 ; C. 145). Jamaica. R. Heward, Esq. [P.]. 



e. Hgr. (V. 178 ; C. 147). Jamaica. Capt. Parry [P.]. 



/. c5''(V. 179; C. 150). Cinchona, Jamaica. T. D. A. Cockerell, Esq. 



4. Dromicus sanctse-crucis. 



Psammophis antillensis, part., Schlcg. Phys. Serp. ii. p. 214 (1837). 

 Dromicus antillensis, part., Dvm. &)■ Bibr. vii. p. 659 (1854). 



antillensis, Giinth. Ann. ^ Mag. N. H. (3) iv. 18o9, p. 210. 



Alsophis sancticrucis. Cope, Proc. Ac. Philad. 1862, p. 76 ; Jteinh. 8f 



Liitk. Vidensk. Meddel. 1862, p. 218 ; Cope, Pruc. Ac. Philad. 1868, 



p. 312. 

 ■ melanichnus, Cope, Proc. Ac. Philad. 18G2, p. 76; Garm. Proc. 



Am. Philos. Soc. xxiv. 1887, p. 283. 

 portoricensis, Heinh. if L'dtk. I. c. p. 221, 



Eye moderate ; snout moderate, somewhat projecting. Rostral 

 twice as broad as deep, not or scarcely visible from above ; inter- 

 nasals as long as broad, shorter than the prsefrontals ; frontal once 

 and three fourths or twice as long as broad, as long as or a little 

 longer than its distance from the end of the snout, shorter than the 

 parietals ; loreal pentagonal, as long as deep ; one prae- and two 

 postoculars ; temporals 1+2 ; eight upper labials, third, fourth, and 

 fifth entering the eye ; five lower labials in contact with the anterior 

 chin-shields, which are shorter than the posterior. Scales in 17 

 rows. Ventrals 170-198; anal divided; subcaudals 120-147. 

 Length of tail about one third of the total. Dark brown above, 

 powdered with black, and with small yellow spots or lines which 

 may form more or less regular cross bands ; flanks and ends of 

 ventrals blackish ; a black streak, bordered with yellow, on each 

 side of the head, passing through the eye ; upper lip yellow, 

 speckled with brown ; lower parts yellow, uniform or with black 

 dots or fine black edges to the shields. 



Total length 1240"'millim. ; tail 410. 



West Indies (St. Croix, Porto llico, Santo Domingo). 



a f)^c. cJ (V. 195 ; C. 145) & St. Croix. A. Newton, Esq. [P.]. 



2 (V. 195,195; C. ?, ?). 

 (/. S (V. 191 ; C. 147). St. Croix. Hr. Riise [C.]. 



