140. STENOPHIS. 43 



5. Stenophis maculatus. (Plate IV. fig. 2.) 

 Dipsadol>oa maculata, Giinth. Cat. p. 183 (1858). 



Rostral twice as broad as deep, scarcely visible from above; 

 internasals as long as broad, muob shorter than the prsefrontals ; 

 frontal a little longer than broad, as long as its distance from the 

 end of the snout, shorter than the parietals; loreal longer than 

 deep ; one prseocular, in contact -with the frontal ; three post- 

 oculars ; temporals small, scale-like, 2 + 2; eight upper labials, 

 fourth and fifth entering the eye ; four lower labials in contact 

 with the anterior chin-shields ; posterior chin-shields narrower and 

 separated from each other by two series of scales. Scales in 

 19 rows. Ventrals 243 ; anal entire ; subcaudals 126, single. 

 Yellowish, " with small quadrangular black spots." 



Total length 655 millim. ; taU 165. 



Habitat unknown. 



a. S (V. 243 ; 0. 126). ? (Type.) 



6. StenopMs arctifasciatus. 



Heterurus arctifasciatus, Bum.^Bibr. vii. p. 1176 (1851) ; Jan, Icon. 



Ghi. 38, pi. iii. fig. 1 (1871). 

 Dipsaa (Heterurus) arctifasciatus, Boettg. Abh. SencJc. Ges. xi. 1877, 



p. 34. 



Eostral broader than deep, just visible from above ; internasals 

 a little broader than long, nearly as long as the prsefrontals ; frontal 

 once and one third as long as broad, longer than its distance from 

 the end of the snout, shorter than the parietals; loreallonger than 

 deep ; one prseocular, not reaching the frontal ; two or three post- 

 oculars ; temporals 1 + 1, l-t-2, or 2+2; eight upper labials, 

 fourth and fifth entering the eye ; six lower labials in contact with 

 the anterior chin-shields ; posterior chin-shields as long as the 

 anterior and in contact with each other. Scales in 21 or 23 rows, 

 Ventrals 225-236 ; anal divided ; subcaudals 152-159, single. 

 Pale orange or pale brown above, with numerous narrow blackish 

 cross-bars ; a black transverse spot on the nape ; head without 

 markings ; whitish beneath, tail spotted with blackish. 



Total length 800 millim. ; tail 260. 



Madagascar. 



a. ? (Sc. 23; V. 236; 0. 152). Imerina. Rev. E. Baron [0.]. 



7. Stenophis variabilis. (Plate IV. fig. 3.) 



Rostral broader than deep, just visible from above ; internasals a 

 little broader than long, a little shorter than the prsefrontals ; frontal 

 once and one third as long as broad, longer than its distance from 

 the end of the snout, shorter than the parietals ; loreal longer than 

 deep ; one prseocular, which may be divided, not reaching the 



