188 CATALOGUE OF MEXICAN ANIMALS. 



36. Erythrolamprus punctigularis Cope. 



Coniophanes punctigularis Cope, Proc. Acad. Phila., 1860, p. 248. 

 Erythrolamprus punctigularis Cope, Cat. Rep. Mex. & Centr. Am., 1886, MS. 



Hab.— State of Chiapas. ? No. 253. 



37. Pliocercus elapoides Cope. 



PHoeercus elapoides Cope, Proc. Acatl. Philad., 1860, p. 253. 

 Vulg. — Coralillo. 

 Hab. — State of Puebla. Hueytamalco (Teziutlan), No. 41, December. 



38. Henicognathus annulatus Dum6iil et Bibron. 



Enicognatlius annulatus Dnm^ril et Bibron, Erp6t G^n., vii, I, 1854, p. 335. 



Vulg. — Coralillo. 



Hab. — State of Vera Cruz. Arroyo del Potrero, No. 304. 



39. Henicognathus annulata cyclura, Cope subsp. nov. 



Henicognathus annulata cyclura Cope, MS. 



Vulg. — Culebra, 



Hah. — State of Vera Cruz. Jicaltepec (Jalapa), No. 78, December. 



40. Rhadincea decorata (Giintber). 



Coronella decorata Giiuther, Cat. Colubr. Snak., 1858. p. 35. 

 Rlvadincua decorata Cope, Proc. Acad. Phila. 1865, p. 197. 



Vulg. — Culebra chata. 



Hab. — State of Vera Cruz. Jalapa, No. 72. 



41. Chionactis diasii Cope, sp. nov. 



Conopsis Uneatus Dum. et Boc, Mision Scieutif. de Mesiqiie, Reptiles, p. 565, 

 not Toluca lineata Kenn. 



Vulg.— Gnlehriij vivora parda. 



^«&.— State of Puebla. Puebla, Nos. 75 type, 76, 292, 293, 294. 



[Scales wide, especially on the sides, in seventeen rows. Rostral very 

 protuberant, rapidly narrowed to an obtuse extremity, considerably vis- 

 ible from above, but not concave nor entering between the interuasals. 

 The latter, and the prefrontals, are considerably wider than long. 

 Frontal longer than wide; parietala regularly rounded and not divaricate 

 behind. Seven superior labials, all higher than long except the first 

 and seventh, which are subquadrate. Oculars, 1-2; temporals, 1-2-2. 

 Gastrosteges, 121; anal, 1-1; urosteges, 37. In a second specimen there 

 are only 35 urosteges. Color brown above, with five indistinct longitu- 

 dinal bands on the third and fourth, and on the sixth on each side and 

 on the median line. Below yellow, two brown spots on each gastrostege, 

 marking thirds of the length. Head and lateral plates unspotted. Nos. 

 75, 70, 292, 293, 294, collection of the Comision Geografica, from near 

 Puebla. 



I dedicate this species to Seiior Augustine Diaz, C. E., president of 

 the Comision Geografica Exploradora of Mexico. Science is much in- 



