244 APPENDIX. — REPTILES. 



Page 19. Add : 14 a. Arrhyton, Ounther. 



Body and tail moderate ; head depressed, with flat crown ; two 

 pairs of frontal shields, anterior ones much smaller ; two nasals, 

 nostril between ; loreal none, united with posterior frontal ; one 

 anterior, two posterior oculars. Scales smooth, rhomboidal, in 

 seventeen rows ; anal bifid ; subcaudals tw o-rowed. Posterior 

 maxillary tooth longest, separated by an interval from the ante- 

 rior ones, smooth. Cuba. 



1. Arrhyton t^niatum. 



Back with three brown longitudinal streaks. 

 a. Cuba. Presented by the Zoological Society. 



Description of the specimen. — Head flat, depressed, hardly 

 distinct from neck, with obliquely truncated muzzle ; body cylin- 

 drical, with broad rounded back ; tail moderate, not distinct from 

 trunk, tapering. Rostral shield broader than high, rounded be- 

 hind, reaching the surface of forehead ; anterior frontals rather 

 small, quadrangular; posterior ones much larger, bent on the sides, 

 replacing the loreal, in direct contact with second and third upper 

 labials ; vertical large, pentangular, with nearly parallel outer 

 edges and a right angle behind; occipitals moderate, rounded 

 behind ; two nasals, nostril between ; one anterior and two pos- 

 terior oculars ; one temporal shield in front, in contact with both 

 oculars, two pairs of smaller ones behind ; seven upper labials, 

 the third and fpurth of which form the lower edge of orbit ; the 

 first pair of lower labials forming a suture together behind the 

 terminal one ; two pairs of chin-shields behind. Scales short, 

 rhombic, not much imbricate, polished, in seventeen rows ; anal 

 and subcaudals bifid. Dentition as above mentioned. Reddish 

 white, with three brown longitudinal streaks, the dorsal one be- 

 ginning from the occipital suture, the lateral ones from the back 

 edge of eye, all reaching the end of tail; upper shields of head 

 brown, with whitish edges; belly uniform white. 



I do not know whether the specimen is in an adult or in a 

 younger state. Length of cleft of mouth ^" ; length of tail 2" ; 

 total length 9". 



Page 23. Add to the Synopsis of the Genera. 

 To CoRONELLA. Ouc or two nasals. 

 7 a. Stenorhina. No separate nasal. Mexico. 



Page 24. Simotes octolineatus. 



o. Half-grown. Sumatra. From the Collection of the Zoolo- 

 gical Society, 



