SNAKES. 71 



d. Young. Borneo. Presented by Captain Sir E. Belcher. — On 



the neck two yellow lines, confluent behind, disappearing 

 with age. 



e. Young : very bad state. Philippines. From Mr. Cuming's 



Collection. 

 /. Adult : bad state. Nepal. Presented by B. H. Hodgson, 



Esq. 

 g. Adult : bad state. India. Presented by Professor Oldham 



as Tropidonotus subcarinatus. 



Var. ceylonensis : the fourth and fifth upper labial shields are 

 united so as to form only eight upper labials, the fourth and fifth 

 of which touch the eye. Coloration vivid, as described ; with a 

 broad, black, temporal streak. 



h. Half-grown. Ceylon. From Mr. Cuming's Collection. 



12. Tropidonotus chrysargoides. 

 Schlegel, Mus. Leyden. 



Scales in twenty-one rows ; all rows keeled ; anal bifid ; upper 

 labials nine, the fourth, fifth and sixth touching the eye ; one 

 anterior, three posterior oculars; anterior frontals larger than 

 generally, obtuse in front; occipitals narrow. Above uniform 

 black, beneath slate-blue, each plate clouded on the edge. 



The characters here referred to are based upon a single spe- 

 cimen in the collection of the British Museum. 



a. Adult. Sine patria. From the Leyden Museum. 



13. Tropidonotus tigrinus. 



Tropidonotus tigrinus, Boie, Isis, 1826, p. 206 ; Siebold, 

 Faun. Japon. Ophid. t. 4; Schleg. Ess. ii. p. 315. Amphiesma 

 tigrinum, Dum. Sf Bibr. vii. p. 732. 



Scales in nineteen rows; upper labials seven, the third and 

 fourth touching the eye ; anterior frontals rather large ; no lon- 

 gitudinal band. Above olive or brown, with three or four longi- 

 tudinal series of large, black, regular blotches; neck with a 

 white collar, black-edged behind ; abdomen yellowish, with two 

 punctated lines, confluent towards the middle of the length, so 

 as to cover the whole belly. 



a-c. Adult. Japan. From the Leyden Museum. 



d. Adult. Ningpo, China. From Mr. Cuming's Collection. 



d. Species allied to T. picturatus. 



14. Tropidonotus picturatus. 



Tropidonotus picturatus, Schleg. Ess. t. 12. f. 8, 9; Dum. 8f 



