SNAKES. 11 
11. The Creyton Trimesurus. ‘Trimesurus? Ceylonensis, 
Gray, Zool. Mise. 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. PaRrtas. 
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. 
Megera, § 2, Gray, Zool. Misc. 48. 
1. The Yettow-sporrep Parias. Parias flavomaculatus. 
Megera 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, b. Philippine Islands. Purchased of Mr. Cuming. 
Var.? Young? green (in spirits), with close white spots form- 
ing nearly a continued band on each side. Smaller. 
2. The OrNaMENTED Partas. Parias ornata. Megera ornata, 
Gray, Zool. Misc. 49. 
Olive-green (in spirits) ; back with a series of irregular brown 
spots forming a band across the tail; sides of the body with a lower 
series of brown and an upper of white spots, forming together a 
broad band: beneath paler green; chin whitish green. 
a. In spirits. Philippine Islands. Purchased of Mr. Cuming. 
3. The VariecaTED Paras. Parias variegata. Megera 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. Meca@ra. 
Superciliary shield double ; scales lanceolate, of head and body 
smooth, of crown unequal; forehead edged with shields; hinder 
