113. GEorHis. oe 
Maxillary 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. Rostral 
rather large, as deep 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 prefrontals *; 
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 small supraocular; loreal once 
and a half to twice as long as broad; one postoecular; 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 sympbhysial. 
Scales in 17 rows, perfectly smooth, a few at the base of the tail 
with faint traces of keels. Ventrals 134-146; anal entire; sub- 
eaudals 43-48. Uniform dark brown or blackish above, yellowish 
white beneath. 
Total length 540 millim.; tail 60. 
Mexico. 
a-b, S (V. 124; C. 48) & Mexico. M. Sallé ;C.]. 
Q (V. 146; C. 43). 
ce. Her. 5 (V. 141; C. 48). Jalapa. Dr. J. G. Fischer. 
(Type of G. fuscus.) 
13. Geophis rostralis. 
Elapoides rostralis, Jan, Icon. Gén. 12, pl. ii. fig. 2 (1865). 
Geophis dubius, Bocourt, Miss. Sc. Mex., Rept. p. 532, pl. xxxi. 
fie. 9 (1883). 
rostralis, Bocourt, l. c. p. 533, pl. xxxi. fig. 10; Giinth. Biol. 
C.-Am., Rept. p. 89 (1893). 
Rhabdosoma rostrale, Cope, Bull. U.S. Nat. Mus. no. 32, 1887, 
p. 85. 
Maxillary not extending beyond palatine in front, the first tooth 
corresponding to the suture between the second and third labial 
shields. Kye very small, its length about two thirds its distance 
from the mouth. Snout obtusely pointed, very prominent. Rostral 
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 prefrontals 7; 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 eye ; 
anterior chin-shields longer than the posterior, in contact with the 
* Inspec. a the internasals are distinct ; in 6 the left internasal is fused 
with the prefrontal; in c the internasals are no longer distinguishable. 
+ As in the specimen in the Collection. 
EZ 
