53 



Family YI.— UROPELTIDiE. 



Body cylindrical, with a short narrow head not distinct 

 from the neck; tail veiy short, truncated, terminating in a 

 roush naked disk or covered with keeled scales. 



Scales round, polished ; ventral row scarcely larger than 

 the others. 



One pair of frontals ; four labials. Eye very small. 

 Maxillary and mandibular teeth, no palatine ; generally no 

 mental groove. 



RHINOPHIS, Remjmch. 

 Tail cylindrical, covered with smooth scales and ending 

 in a convex, scaleless, rough shield. Head conical ; supra- 

 ciliary and postocular confluent; nasals separated by the 

 rostral. Scales 17-19. Ventrals 150-228 ; subcaudals 4-10. 

 Length 10-14 inches. 

 Ceylon. 



R. OXYRHYNCHUS, Schneider. 



Rostral nearly half as long as head, keeled above. Nearly 

 uniform brown. 



R. PUNCTATUS, Milller. 



Similar to the preceding. Yellowish with black scale- 

 dots. 



R. PHiLiPPiNUS, Cuvier, (planiceps, Peters.) 



Rostral shield not half as long as head, and without keel. 

 Short. Uniform blackish olive. 



R. TREVELYANUS, Kclaart. 



Similar to the preceding. Black, with white triangular 

 lateral spots ; belly white, black spotted. 



R. SANGUINEUS, Beddoiue. Plate YII, iSg. 3. 



Similar to the preceding ; rostral shorter. Black above ; 

 belly with lateral scarlet streak ; caudal shield black with 

 yellow streak and red margin. 



