MEXICAN SNAKES AND CROCODILLANS — SMITH 497 



TYPHLOPS BRAMINUS (Daudin) 



One specimen (No. 110510) was collected at Agua del Obispo, 

 Guerrero, under a log shortly after a rainstorm. 



The Museum has no others of the species from Mexico. 



♦TYPHLOPS MICROSTOMUS Cope 



Two specimens are in the Museum, both from "Yucatan" (Nos. 

 6569, 61064, type). 6 



XENODON MEXICANUS Smith 



Six specimens are as follows: Piedras Negras, Guatemala (No. 

 108596, type) ; Potrero Viejo, Veracruz (No. 110329) ; La Esperanza, 

 Chiapas (Nos. 110330-2) ; and Salto de Agua, Chiapas (No. 110333). 



The ventrals in this series vary between 126 and 137; caudals 40 

 to 46; supralabials 8-8 (7-8 in one) ; infralabials 8-9 in one, 9-9 in 

 two, 10-10 in one; two preoculars on one side in one; three post- 

 oculars on one side in one, others with two ; crossbars 13-3 (body and 

 tail) in two, 13^ in one, 14-3 in one, 14-4 in one. The bands are 

 very distinct and complete about the body in the very young. 



The Museum has no other Mexican specimens. 



CROCODILIA 



CAIMAN FUSCUS (Cope) 



Fifteen specimens (Nos. 115337-51) are from the vicinity of 

 Colonia Soconusco, Chiapas, and three others (Nos. 115334-6) are 

 from Belen, Chiapas. They were found in sluggish streams and in 

 ponds by several of the local hunters. 



The Museum has no others from Mexico. 



CROCODYLUS ACUTUS Cuvier 



Two skulls (Nos. 115352-3) were picked up on the beach at Laguna 

 Coyuca, near Acapulco, Guerrero. One small specimen, preserved 

 entire, is from Rio Hondo, near San Bartolo (east of Miahuatlan, 

 Oaxaca (No. 115354). The premaxillo-maxillary sutures are pro- 

 duced posteriorly to the level of the posterior border of the seventh 

 tooth in all. 



The Museum has one other specimen from Mexico, from Colima 

 (No. 56777) ; another very small specimen from Tabasco (No. 6624) 

 may belong to the same species. 



•Cope, 1866, p. 125. 



