40. Dixonox. 303 



3. Dinodon septentrionalis. 



Ophites septentrionalis, Gimth. Proc. Zool. Soc. 1875, p. 233. 



ruhsirati, Fischer, Abh. 7iatufw. Ver. Hamh.'w. 1880, p. li's 



pi. ii. tig-. G. 

 Lycodou septentrionalis, Buuleng. Faun, Ind., liept. p. 295 (1890). 



Rostral broader than deep, just visible from above ; internasals 

 much shorter than the prccfrontals ; frontal as broad as loni? or 

 sliglitly longer, as long as its distance from the end of the snout, 

 shorter than the parictals ; loreal longer than deep, not touching 

 the' eye, but wedged in between the third labial and the prajocidar ; 

 one prce- and two postoculurs ; temporals 2 + 3; eight upper 

 labials, third, fourth, and fifth entering the eye ; four or five lower 

 labials in contact with the anterior chin-shields, which are nearly 

 as long as or longer than the posterior. Scales in 1 7 rows, those 

 of the 7 or 9 median rows feebly keeled. Yentrals 211-224 ; anal 

 entire ; subcaudals 83-104. 



Total length !)00 millim. ; tail 200. 



Southern China, Himalayas (?). 



A. Black above and on the sides, with narrow whitish transverse 



bands, forming complete annuli on the tail, the lower surface 

 of which is dark brown ; belly whitish, with a few scattered 

 small brown spots posteriorly. (0. septentrionalis, Gthr.) 



a. 2 (V. 214 ; C. 83). Himalayas or Khasi T. C. Jerdon, Esq. [P.]. 

 nills\?). (Type.) 



B. Above with large dark brown spots or cross bands separated by 



pale greyish-brown interspaces ; on the anterior part of the 

 body the dark bands are much wider than the light ones, 

 whilst it is the reverse on the hind part ; a lateral scries of 

 dark brown spots, partly on the ventrals, alternating with the 

 dorsal bands ; belly yellowish, spotted or dotted with brown 

 posteriorly. (0. rahstrati, Fisch.) 



b-c. 2 (V. 210, 224 ; Formosa. R. Swinhoe, Esq. [d. 



C. 104, 97). 



d. Ilgr. (V. 211 ; C. Mountains north of A. E. Pratt, Esq. [C.]. 



88j. Kiukiang. 



4. Dinodon japoiiicus. 



Ophites iaponicus, Giinth. Ann.^- Mwj. N. II. (5) vi. 1880, p. 402; 



F. Mull. Verh. nat. Ges. Basel, viii. 1887, p. 271. 

 orientalis, Ililgeiid. Sitzh. Ges. naturf. Freunde, 1880, p. 115, 



pi. — . tigs. 1-5. 

 PEumesodon cariuatiis, F. Miill. Verh. nat. Ges. Basel, vii. 1885, 



p. 085. 



Rostral much broader than deep, just visible from above ; inter- 

 nasals about half as long as the prLufrontals ; frontal a little longer 

 than broad, as long as its distance from the end of the snout, shorter 



