113. GEOPHIS. 323 



M ixillary not extending beyond palatine in front, the first tooth 

 corn -spending to the suture between the second and third labial 

 shields. K\e very small, its length about two thirds its distance 

 from the mouth. Snout obtusely pointed, very prominent. Itostral 

 rather large, as dee]) as broad, or a little deeper than broad, the 

 portion visible from above measuring at least two thirds its distance 

 from the frontal ; internasals often fused with the pnefrontals * ; 

 frontal as long as broad or slightly broader than long, as long as or 

 a little longer than its distance from the end of the snout, a little 

 shorter than the parietals ; a very email supraocular ; loreal once 

 and a halt to twice as long as broad ; one postooular ; six upper 

 labials, third and fourth entering the eye ; three or four lower labials 

 in contact with the anterior chin-shields, which are as long as or a 

 little longer than the posterior and separated from the symphysial. 

 Scales in 17 rows, perfectly smooth, a few- at the base of the tail 

 Avith faint traces of keels. Ventrals 184-146 ; anal entire ; sub- 

 c-.iudals 43-48. Uniform dark brown or blackish above, yellowish 

 white beneath. 



Total length 340 millim. ; tail GO. 



Mexico. 



a-b. (V. 134 ; C. 48) & Mexico. M. Sall6 [C.]. 



$ (V. 146; C. 43). 

 c. Hgr. J (V. 141 ; C. 48). Jalapa. Dr. J. G. Fischer. 



(Type of G.fiucus.) 



13. Geophis rostralis. 



Klapoides rostralis, Jan, Icon. Gtn. 12, pi. ii. fig. 2 (1865). 

 Geophis dubius, Bocourt, Miss. Sc. Me.v., Kept. p. o3i, pi. xxxi. 



fig. 9 (1883). 



rostralis, Bocourt, I. c. p. 533, pi. xxxi. fig. 10; Gilnth. Biol. 



C.- Am., Sept. p. 89 (1893). 

 Rliabdosoma rostrale, Cope, Bull. U.S. Xuf. Mu*. no. 3:.', 1887, 



p. 85. 



^axillary not extending beyond palatine in front, the first tooth 

 corresponding to the suture between the second and third labial 

 shields. Eye very small, its length about two thirds its distance 

 from the mouth. Snout obtusely pointed, very prominent. Itostral 

 rather large, as deep as broad, the portion visible from above measur- 

 ing at least two thirds its distance from the frontal ; the internasals 

 may be fused with the praefroutals f ; frontal slightly broader than 

 long, as long as its distance from the end of the snout, a little shorter 

 than the parietals; a very small supraocular; loreal once and a half 

 to twice as long as deep ; one postocular, sometimes fused with the 

 supraocular ; six upper labials, third and fourth entering the e\e ; 

 anterior chin-shields longer than the posterior, in contact with the 



* In spec, a the inter-nasals are distinct ; in 6 the left internasal is fuaed 

 with the prsfronUtl ; in the inter-nasals are no longer distinguishable, 

 t As in the specimen in tin- (.'ullertioii. 



rS 



