MEXICAN SNAKES AND CROCODILIANS — SMITH 439 



LEPTODEIRA ANNULATA POLYSTICTA Giinthcr 



Thirty-one specimens are from the following localities : Chiapas : 

 Near Escuintla (Las Nubes, Cerro Ovando, Nos. 111228-30; Salto de 

 Agua, Cerro Ovando, Nos. 111231-8; La Esperanza, Nos. 111239-41; 

 Kancho Las Gradas, Nos. 111242-3; La Magnolia, No. 111244; Finca 

 Juarez, Nos. 111245-54). Guerrero: Agua del Obispo, No. 111224. 

 Oaxaca : La Concepcion, No. 111226; Lachiguiri, 7,100 feet, No. 111225. 

 Guatemala: Piedras Negras, No. 111227. Nearly all were found at 

 night by means of a lantern. One was climbing a tree trunk (Piedras 

 Negras) ; two were on top of calladium leaves, searching for frogs and 

 salamanders (La Esperanza) that were common on the leaves; many 

 were found in arroyos, where frogs were abundant; and the ten from 

 Finca Juarez were found climbing about in trees looking for and eating 

 the eggs of Agalychnis morelettli. One was found during the day, in 

 the axil of a calladium (Agua del Obispo) . All except one were found 

 in the dry season, when they congregate about arroyos. 



All have 8-8 supralabials and 2-2 postoculars; one has 1-3-4 tem- 

 porals, another 1-3-4 on one side, and another 1-3-3 on one side, but 

 except for these the temporals are uniformly 1-2-3. The inf ralabials 

 are 10-11 in four, 10-12 in one, 11-11 in three, and 10-10 in the remain- 

 der. Other data on variation are given in table 19. 



The Museum has no others from Mexico. 



♦LEPTODEIRA ANNULATA SEPTENTRIONALIS (Kennicott) 



The Museum has eight specimens, 51 two of which (No. 4267) are the 

 cotypes from Matamoros, Tamaulipas; another specimen (No. 4273) 

 is from the same locality, and five others (Nos. 25206-7, 25209-11) are. 

 from Tuxpan, Veracruz. 



LEPTODEIRA ANNULATA TAYLORI Smith 



Leptodeira annulata taylori Smith, Proc. Biol. Soc. Washington, vol. 54, pp. 

 115-118, 1941. 



A single specimen, a paratype of taylori (No. 111257) , was collected.. 

 It was found in a bromelia. 



The Museum has 10 other typical specimens: Nos. 30208 (type), 

 30207, 7088, Orizaba, Veracruz ; No. 30508, "Veracruz"; No. 65154, hills 

 west of Veracruz, Veracruz; and No. 12113 (5), Mirador, Veracruz. 

 Another specimen, an intergrade with septentrionalis, is No. 25211 

 from Tuxpan, Veracruz. 



♦LEPTODEIRA BRESSONI Taylor 



A single specimen (No. 46459) in the Museum is from Plomosas, 

 Sinaloa. 62 



51 Taylor, 1930a, pp. 329-331. 

 53 Taylor, 1939a, p. 324. 



