MEXICAN SNAKES AND CROCODILIANS — SMITH 465 



♦RHADINAEA HESPERIA HESPERIA Bailey 



Two specimens are in the Museum, from "Guanajuato" (No. 15429) 

 and Cuernavaca, Morelos (No. 20166). 



RHADINAEA LACHRYMANS (Cope) 



Four specimens (Nos. 110367-9, HMS No. 14789), all females, 

 were secured on Mount Ovando, Chiapas, at elevations between 5,200 

 and 6,500 feet. All were found under or in rotten logs. There is 

 but one preocular in all; ventrals and caudals, respectively, in the 

 order listed : 175 and 71 ; 172 and 78 ; 170 and 72 ; 168 and 76. 



The Museum has no others of the species. 



RHADINAEA LAUREATA (Giinther) 



Plate 32, Figure 4 



Three specimens (Nos. 110370-2) are from a locality 5 miles south 

 of Carapa, Michoacan. All were found under logs. One specimen 

 contained a Sceloporus scalaris. The scutellation of the head is nor- 

 mal ; ventrals and caudals, respectively, in the order listed, $ 159 and 

 90; $ 157 and 92; $ 164 and 79. 



The Museum has no others of the species. 



RHADINAEA OMILTEMANA (Giinther) 



One specimen, a topotype, collected by E. H. Taylor (No. 110374) , 

 is from Omilteme, Guerrero. It is a male, with 151 ventrals, 87 

 caudals, 8-8 supralabials, 10-10 infralabials, 2 pre- and 2 post-oculars, 

 temporals 1-2-3. Color as described and figured by Bailey (1940, 

 pp. 13-14, pi. 2, fig. 2). 



The Museum has no others of the species. 



♦RHADINAEA QUINQUELINEATA Cope 



A single specimen, the type, is in the Museum, from Tezuitlan, 

 Puebla (No. 31350 ). li 



RHADINELLA SCHISTOSA Smith 



Rhadinella schistosa Smith, Copeia, 1941, pp. 7-10, fig. 1. 



A single specimen, a paratype (No. 109914), is from Cuautlapan, 

 Veracruz. 



This genus shows a relationship with Trimetopon as well as with 

 Rhadinaea and Diadophis. From the former it differs in having more 

 numerous maxillary teeth, and thus a longer maxillary bone. The 



74 Cope, 1886, p. 277; Smith, Publ. Field Mus. Nat. Hist., zool. ser. (in press). 



