SNAKES. 95 



c. Young. Chikiang (China). From Mr. Fortune's Collection. 

 Scales in twenty-five rows ; temple-streak black ; back 

 with brown transverse lines ; sides of the hinder part of 

 body and tail dark brown, separated from belly by a yellow 

 band; sides of ventral plates black. 



6. ElAPHIS SUBRADIATUS. 



Coluber subradiatus, Schleg. Ess. ii. p. 136, and Ahhildg. 

 t. 28. f. 7j 8, t. 29. Compsosoma subradiatum, Dum. ^ Bibr. 

 vii. p. 297. 



Body elongate, compressed. Scales keeled, in twenty-three 

 (twenty-one) rows; anal entire. Reddish brown: no occipital 

 streak; a short black streak behind the eye; an interrupted 

 series of elongate black blotches from the side of neck along the 

 side of abdomen. Above with four longitudinal black lines, 

 becoming indistinct towards, the middle of trunk. 



a. Adult. Timor. 



b. Nearly half-grown. Philippine Islands. From Mr. Cuming's 



Collection. Scales in twenty-one rows. 



5. Cynophis, Gray. 



Body slender, compressed ; head narrow, with much elongate 

 muzzle. Shields of crown regular; upper labials nine to ven; 

 one loreal, one large anterior, two posterior oculars ; nostril 

 between two shields; eye moderate. Scales small, rhomboid, in 

 twenty-one to twenty- seven rows, those of the back slightly 

 keeled ; anal entire. Teeth numerous, equal, smooth ; pterygo- 

 palatine teeth bent inwards. 



Plagiodontiens, Dum. §• Bibr. vii. p. 169. Cynophis, Gray, 

 Ann. ^ Mag. Nat. Hist. 1849, p. 246. Herpetodryas, sp., 

 Schleg. Ess. ii. p. 192. Coluber, sp., auct. prior. 



1. Cynophis helena. 



Russell, Ind. Serp. i. t. 32 (head bad). Coluber helena, Daud. 

 Rept. vi. p. 2/7 ; Merr. Tent. p. 104 ; Boie, Isis, 1827, p. 537. 

 Herpetodryas helena, Schleg. Ess. ii. p. 192. Cynophis bistri- 

 gatus. Gray, I. c. Plagiodon helena, Dum. Sf Bibr. p. 170 

 (dentition: Mem. de Vlnst. Acad, des Sc. 1853, pi. 1. f. 6, and 

 Gen. Erpet. pi. 76- f. 2). 



Scales in twenty-seven rows ; upper labials nine, the fifth and 

 sixth coming into the orbit ; sometimes the fourth divided into 

 two, the eye then being over the suture of the sixth and seventh. 



