SNAKES. 



185 



entire, subcaudals two-rowed. Pupil erect, eyes moderate ; nos- 

 tril in the centre of a single shield ; anterior palatine and anterior 

 mandibular teeth longest; on furrowed tooth. Small Dipsas 

 from Java. 



Amblvcephalus, sp., Kuhl §■ Boie, Isis, 1827 & 1828. Pareas, 

 Wagl. Nat. Syst. der Amph. p. 181 ; Dum. fy Bibr. vii. p. 438. 

 Dipsas, sp., Schlegel. 



1. Pareas l^evis. 



Amblvcephalus lsevis, (Kuhl) Boie, Isis, 1827, p. 519. Dipsas 

 l?evis, Schleg. Ess. t. 11. f. 24, 25. Pareas laevis, Dura. 8f Bibr. 

 vii. p. 442. 



Scales smooth. Above blackish brown, with oblique black 

 cross bands ; without streak behind the eye ; loreal none. 



a. Adult : male. Java. From the Leyden Museum. 



b. Adult male : fine specimen. Java. Presented by Captain 



Sir E. Belcher. 



2. Pareas carinata. 



Dipsas carinata, Reinw.; Schleg. Ess. pi. 11. f. 26-28, and 

 Abbildg. pi. 45. f. 10-12. Amblycephalus carinatus, Boie, Isis, 

 1828, p. 1035. Pareas carinata, Wagl. Syst. der Amph. p. 181 ; 

 Dum. §■ Bibr. vii. p. 439. 



Scales of the dorsal rows slightly keeled. Above brown, with 

 more or less distinct, irregular transverse bands ; beneath paler, 

 marbled with black ; from the back edge of eye a black streak, 

 confluent with that of the other side on the neck ; one loreal 

 shield. 



a. Adult. Hong Kong. Presented by J. C. Bowring, Esq. 



b. Half-grown. Java. From the Leyden Museum. 



c. Adult. Java. 



d. Adult : not good state. Java. Presented by the College of 



Surgeons. 



Fam. XL SCYTALID.E. 



Intermediate between the Dipsadidce and Lycodontidce. Body 

 generally moderate, sometimes rather elongate and slightly com- 

 pressed ; tail of moderate length, not distinct from trunk, taper- 

 ing ; head moderate, with flat crown, rather broad behind, and 

 distinct from neck, slightly depressed ; eye moderate, pupil ellip- 

 tical or subelliptical ; cleft of mouth moderate ; shields of head 

 regular ; nostril generally between two nasals ; one loreal ; one 



