SNAKES. 11 



11. The Ceylon Trimesurus. Trimesurus ? Ceylonensis, 

 Gray^ Zool. Misc. 48. 



Olive, with dark spots and marks, and a white streak from the 

 back edge of the eye on each side of the neck. 



Inhabits Ceylon. Mus. Army Med. Board, Chatham. 



3. Parias. 



Superciliary shields single ; hinder labial shields smallest ; 

 scales lanceolate, of head and body smooth, of crown unequal ; tail 

 ending in a rather large impressed claw. Asia. 



Megaera, § 2, Gray^ Zool. Misc. 48. 



1. The Yellow-spotted Parias. Parias flavomaculatus. 

 Megaera flavomaculatus. Gray., Zool. Misc. 49. 



Olive-green, nearly uniform (in spirits) ; beneath paler, varied 

 with yellow ; chin yellow, varied ; sides with a series of large orange- 

 yellow spots on the lowest series of scales ; tail brown-banded ; head- 

 shield large. 



a, h. Philippine Islands. Purchased of Mr. Cuming. 



Var. ? Young ? green (in spirits), with close white spots fonn- 

 ing nearly a continued band on each side. Smaller. 



2. The Ornamented Paeias. Parias ornata. Megsera oraata. 

 Gray., Zool. Misc. 49. 



Olive-green (in spirits) ; back vvdth a series of irregular brown 

 spots forming a band across the tail ; sides of the body with a lower 

 series of broTMi and an upper of white spots, forming together a 

 broad band : beneath paler green ; chin whitish green. 



a. In spirits. Philippine Islands. Pm'chased of Mr. Cuming. 



3. The Variegated Parias. Parias variegata. Megaera va- 

 riegata. Gray., Zool. Misc. 50. 



Green (in spirits) ; head black varied ; back with rather narrow 

 black cross bands ; sides with an interrupted series of indistinct 

 yellow spots ; beneath rather paler : tail yellow, black-banded, com- 

 pressed. 



a. In spirits. Philippine Islands. 



4. Meg^ra. 



Superciliary shield double; scales lanceolate, of head and body 

 smooth, of crown unequal ; forehead edged with shields ; hinder 



