212 PROCEEDINGS OF THE ACADEMY OF 



parietal ; third and chiefly fourth in eye. Lower labials seven ; 

 geneials short, wide. Gastrosteges 124, anal 1, urosteges 38. 



Color of bod}'^ and entire tail black ; gastrosteges reddish, brown 

 margined. A yellowish or orange collar crosses behind the parietal 

 plates, and a band of the same color extends from the side of the 

 neck to the tail on the second and third rows in front, and third 

 to fifth behind. This band is composed of two rows of alternating 

 narrow spots, which are not always perfectly united. 



Total length eight inches, the tail one-sixth of the total. 



The species just described agree with the C. nasalis, the C. 

 hoffmannii^ and the Cafostoma semidoliatuih, in having the first 

 labial behind the eye in contact with the parietal shield. They 

 are intermediate, in the structure of the jaws, between the type of 

 the genus and the last-named Cafostoma. In the C. semidoliafum 

 the maxillary bone is developed, and bears teeth opposite the first 

 labial plate. In the Colobognafhus hoffmannii, it, with the pala- 

 tine, is cartilaginous in front, and bears no teeth anterior to the 

 fourth labial shield. In the C. brachycejjhalus and C. dolichoce- 

 phalus, the maxillary and palatine are a little better developed, 

 the teeth extending to the posterior margin of the second superior 

 labial. In the serpent described by me (Proc. Acad. Nat. Sci., 

 1868, p. 131) as Cafostoma nasale^ the dentition is precisely as in 

 the two species here described, and I accordingly^ refer it to Colo- 

 bognafhus. This genus will then embrace four species. In the 

 genus Colophri/s, Cope (1. c, 18G8, 130), the maxillar}- is still 

 better developed, the teeth commencing at the anterior part of the 

 second upper labial. 



KHADIN.aEA SEEPEKASTER, Cope, sp. nov. 



This species agrees with those regarded as typical when the 

 genus was first defined (see Proc. Acad. Nat. Sci., 1868, 132). 

 That is, the teeth are equal, the scales smooth and poreless, the 

 anal plate divided, the nasals two, loreal one, and oculars 1-2. 



In this serpent the scales are in nineteen series. Superior 

 labials eight, not elevated, fourth and fifth bounding ej^e. Tempo- 

 rals 1-2-3. Internasals transverse, narrow ; postnasal larger than 

 prenasal. Frontal wide, superciliarj^ suture shorter than anterior, 

 total length exceeding that of common parietal suture. Loreal 

 square; geneials subequal. Gastrosteges 164, anal 2, urosteges 18* 



Dark brown, with six longitudinal 3'ellow or white lines, of 



[October 24, 



