1899.] AND BATBACHIANS FROM FOKIEN. 165 



112-121 ; anal entire ; subcaudals 22-28. Brown above, with 

 very small black spots ; a black nuchal blotch or cross-band edged 

 with yellowish ; labials yellowish, with blackish edges ; rostral 

 yellowish, with a large blackish spot ; ventrals and subcaudals 

 yellowish, dotted and speckled with blackish on the sides. 



Total length 350 milHm. ; tail 45. 



Two specimens, male (V. 112 ; C. 28) and young (Y. 121 ; C. 22). 



Named after Mr. F. W. Styan, whose collections have so much 

 advanced our knowledge of the fauna of China. 



The discovery of this species lessens the gap between the genera 

 Plagiopliolis and Trirliinopliolis, both established on single species 

 from the Shan States. 



15. DlNODON SEPTENTRIONALIS Grthr. 



Three specimens. 



Intermediate in the pattern of coloration between the typical 

 form from Assam and Burma and the var. ruJistrati Fischer from 

 Formosa. The pale interspaces between the dark brown dorsal 

 spots are very narrow throughout and nowhere form complete 

 annuli. 



16. Coluber porphtraceus Cantor. 



Four specimens. 



Two black lines extend from the eyes to the end of the tail, 

 intersecting the dark cross-bars, which have a tendency to dis- 

 appear in adult specimens. 



This species had not been recorded from farther north-east 

 than Yunnan. 



17. Coluber mandarinus Cantor. 



Two specimens. 



Temporals 2-|-2 or 3; one of the specimens has a single post- 

 ocular, the lower having fused with the fourth labial. 



This most beautifully-marked Snake was known only from 

 Chusan. 



18. Coluber phyllophis Blgr. 

 Two specimens. 



19. Ablabes major Gthr. 



Three specimens. 



A young specimen has irregular black transverse spots on the 

 nape and anterior part of the back, and traces of an interrupted 

 black lateral streak. 



20. Calamaria septentrionalis Blgr. 

 A single specimen ( $ . V. 174 ; C. 8). 



21. BUNGARUS CANDIDUS L. 



A single specimen, pertaining to the var. multlciiictas Blyth. 



