32. HAl'LOCERCU.S. 309 



2. Achalinus braconiiieri. 



Ophiolaps braconuieri, Sauraf/e, Bull. Soc. Philom. (7) i. 1877, p. 100. 

 Aclialinus rufescens [noti Boulerig.), Giinth. Ann. iSf Mag. N. H. (ii) 

 iv. 1880, p. L>20. 



Distinjjuiyhed from the preceding by the following characters : — 

 Suture between tlie interuasals shorter than that between the 

 prtefrontals ; frontal thrice to thrice and a half as broad as the 

 supraocular ; both anterior temporals in contact with the ej'e ; two 

 pairs of chin-shields. Scales unicarinate, in 23 or 25 rows. \ eti- 

 trals 150-170; subcaudals 48-50. Uniform blackish, ventrals 

 with a narrow whitish edge. 



Total length 550 millim. ; tail S3. 



Southern China. 



a-c, d. (S (V. 161, 1()3, 159; Ichang. A. E. Pratt, Esq. [C.]. 



C. 57, 50, 59) &$(V. 170; 

 C. 48). 



3. Achalinus spinalis. 



Achalinus spinalis, Peters, Mon. Bert. Ac. ISOO, p. 430, pi. — . tig. ]. 



Suture betAveen the internasals. as long as that between the pra;- 

 frontals ; frontal broader than long, about thrice as broad as the 

 supraocular; temporals 2 + 2, both anterior in contact with the 

 eye ; six upper labials, first very small, fourth and fifth entering 

 the e3'e, sixth very long ; three pairs of chin-shields, immediately 

 followed by the ventrals. Scales distinctly keeled, in 21 rows. 

 Ventrals 149 ; anal entire ; subcaudals G2. Brown above, with a 

 median black dorsal line ; brownish yellow interiorly, with a black 

 stripe along the tail. 



Total length 36<l millim. ; tail 115. 



Japan {'?). 



32. HAPLOCERCUS. 



Haplocercus, 6'///(M. Cat. Col. Sn. p. 14 (1858), and liept. Brit.Iml. 



p. 204 (1804) ; Boidenfj. Fann. Ltd., Kept. p. 290 (1890). 

 Aspidura, part., Jan, Arch, Zool. Anat. PItys. ii. 1862, p. 29. 



Maxillary teeth about 1(», moderately large, subequal : posterior 

 mandibular teeth a little shorter than the anterior. Head not 

 distinct from neck ; eye rather small, with round pupil ; nostril 

 between two small nasals and the first labial: no loreal ; a single 

 internasal. Body cylindrical : scales keeled, without apical pits, in 

 17 rows ; ventrals rounded. Tail moderate ; subcaudals single. 

 Hypapophyses developed throughout the vertebral column. 



Ceylon. 



1. Haplocercus ceylonensis. 



Ilaplocercus ceylonensis, Giinth. Cat. p. 15 {I808), and Bopt. Brit. 

 Ind.ix-204, pi. xviii. tig. G (1864); Boulmg. Faun. Ltd., Bept. 

 p. 291 (1890). 



