550 



VIPERIDiB. 



the second labial ; 9 or 10 upper labials. Scales feebly keeled, in 

 21 rows. Ventrals 136-145 ; anal entire ; subcaudals 31-40 pairs. 

 Brown above, with dark brown spots, those of the median series 

 often confluent into a zigzag band ; a more or less distinct fl-shaped 

 light marking on the nape ; a dark temporal band ; belly whitish, 

 spotted or marbled with grey or black; end of tail yellow or 

 reddish. 



Total length 480 millim. ; tail 55. 



From the Bombay hills to the Anamallays and Nilgherries. 



a-b. <J (V. 136, 145 ; 0. 39, 



40). 

 e. 2 (V. 139 ; C. 31). 



d. $ (V. 138; 0.34). 



e. ? (V. 137; 0.32). 

 f,ff-h. S (V. 142; 0.39), 



2(V. 137; 0.32), &yg. 

 (V. 136; 0.37). 



Madras Presidency. 



Deccan. 

 Anamallays, 4700 ft. 



Nilgherries. 

 Nilgherries. 



T. 0. Jerdon, Esq. 



[Rl. (Types.) 

 Ool. Sykes [P.]. 

 W. Davison, Esq. 



[P.]. 

 Lord Dormer [P.], 

 Col.Beddome[0.]. 



19. Lachesis flavoviridis. 



Bothrops flavoviridis, Hallow. Proc. Ac. PMlad. 1860, p. 492 ; 



Soulenff. Proc. Zool. Soc. 1887, p. 149. 

 Trimeresurus riukianus, Hilgend. Sitzb. Qes. Nat. Fr. Berl. 1880, 



p. 118, pi. — . figs. 6-10 ; FiscJi. Jahrb. Hamb. Wiss. Anst. v. 1888, 



p. 20. 

 flavoviridis, Bouleng. Faun. Ind., P£pt. p. 425 (1890). 



Rostral as deep as broad or broader than deep ; nasal divided or 

 semidivided ; upper head-scales very small, ^at, juxtaposed, smooth ; 

 supraocular large ; one to four scales separating the internasals in 

 front ; 7 to 12 scales on a line between the supraoculars ; one to 

 three small postoculars and a subocular, which is in contact with 

 the third labial or separated by one series of scales ; temporal 

 scales smooth ; 8 or 9 upper labials, second forming the anterior 

 border of the loreal pit. Scales rather feebly keeled, in 33 to 37 

 rows. Ventrals 222-231 ; anal entire ; subcaudals 75-90 pairs. 

 Pale brownish or greenish yellow above, with black marblings or a 

 dorsal series of dark rings or rhombs enclosing light spots of the 

 ground-colour; head with longitudinal black streaks disposed 

 symmetrically ; belly yeUowish or greenish white, with more or less 

 distinct dark spots or variegations. 



Total length 1215 miUim. ; tail 220. 



Loo Choo Islands. 



a-h. 2 (Sc. 35, 37 ; V. 225, 225 ; Okinawa. 



0. 80, 76). 

 c-d. S (Sc. 35 ; V. 231 ; 0. 90) Okinawa. 



& yg. (Sc. 33 ; V. 229 ; 0. 79). 

 e-f, g. 6 (Sc. 33 ; V. 223 ; 0. 86) Loo Ohoo Is. 



& yg. (Sc. 35, 35 ; V. 222, 230; 



C. 83, 75). 



Dr. J. G. Fischer. 

 Mr. Hoist [0.]. 

 H. Pryer, Esq. [P.]. 



