MEXICAN SNAKES AND CROCODILIAN S — SMITH 445 



16; 30292, 236, 18; 30293, 243, 19; 30294, 244, 18; 30531, 241, 18; 30532, 

 232, 20; 30533, 210, 16; 46560, 258, 14; 46581, 249, 19; 61183, 252, 22; 

 110308, 258, 15; 110309, 249, 19; 110310, 241, 19; 110311, 257, 17; 

 110312, 247, 21 ; 110313, 252, 13 ; 110314, 260, 17 ; 110315, 256, 14 ; 110316, 

 241, 19 ; 110317, 263, 14 ; 110318, 259, 17 ; 110319, 260, 16 ; 110320, 239, 20 ; 

 110321, 250, 16; 110322, 242, 13. 



LEPTOTYPHLOPS PHENOPS BAKEWELLI Oliver 



Three specimens were taken, one (No. 110305) at Chilpancingo, 

 Guerrero, and two (Nos. 110306-7) at Acahuitzotla, Guerrero. Dorsal 

 scales from rostral to spine 248, 259, 256, respectively; subcaudals 17, 

 18, 16, respectively. 



The Museum has two others, No. 46340 from La Salada, Michoacan, 

 and No. 30295 from Tehuantepec, Oaxaca. The former has no light 

 spot on the head, 262 dorsals, and 19 subcaudals ; the latter is normally 

 marked and has 265 dorsals, 18 subcaudals. 



LOXOCEMUS BICOLOR Cope 



One specimen (No. 110324) is from Tehuantepec, Oaxaca. The 

 scale rows are 31-33-25; ventrals 256; tail broken, female; suprala- 

 bials 11-11; infralabials 14-14; preoculars 1-1; postoculars 2-3. 



The Museum has one other, from "Nicaragua" (No. 16131). 



LOXOCEMUS SUMICHRASTI Bocourt 



One specimen (No. 110323) is from Acapulco, Guerrero. Scale 

 rows 31-33-25; caudals 43, male; supralabials 11-11; preoculars 1-1; 

 postoculars 3-3. 



The Museum has three others, from Coliina (No. 61924) and "Mex- 

 ico" (Nos. 86639, 89387). 



MANOLEPIS NASUTUS (Cope) 



Eleven specimens were taken, all in the state of Oaxaca: Tres 

 Cruces (Nos. 110336-7) ; Cruz de Piedra, 24 km. west of Salina Cruz 

 (Nos. 110341-2) ; El Limon, 28 km. northwest of Tehuantepec (No. 

 110343) ; Tehuantepec (Nos. 110338-40) ; Las Pilas, 20 Ion. southwest 

 of Tehuantepec (No. 110344) ; between Ingenio Santo Domingo and 

 San Miguel Chimalapa (Nos. 110345-6). 



These specimens uniformly have 19-19-15 scale rows; 8-8 suprala- 

 bials; 1-2-3 temporals; and 0-0 loreals. The preoculars are 1-1 

 in all except one, which has 1-2; and the postoculars are 2-2 in all 

 except two, which have 2-3. Variation in other characters is given 

 in table 21. 



The Museum has nine other specimens, from "Colima" (Nos. 

 31478-9, 56319) ; Acapulco, Guerrero (No. 46601) ; Magdalena, Jalisco 



