64. DBNDEOPHIS. 77 



about as largo as the parietal shields, all except the outer row 

 keeled ; the keels on the two median rows stronger. Ventrals 

 157-102; anal divided; subcaudals 118-135. Black, the throat 

 and anterior part of the belly yellow. 



Total length 2200 millim. ; tail 500. 



Costa Rica. 



64. DENDROPHIS. 



Ahictiilla, part., (?m//, Ann. Phil. x. 1825, p. 208. 



Leptophis, part.. Bell, Zool. Journ. ii. 1825, p. 328; Jan, Elenco sht. 



Ofid.-p. 84(1863). 

 Dendrophls, Boie, Isis, 1827, p. 520 ; Boiileng. Faun. Ind., Rept. 



p. 337 (1890). 

 Deudropbis, part., Wnc/l. Si/st. Amph. p. 182 (1830); Schleg. Phys. 



Serp. ii. p. 220 (1837) ; Dam. ^ Bibr. Erp. Gen. vii. p. 193 (1854) ; 



Giinth. Cat. Col. Sn. p. 148 (1858) ; Jan, I. c. p. Bo ; Gimth. Rept. 



Brit. Ind. p. 296 (1864). 



Maxillary teeth 20 to 33, the posterior more or less enlarged, 

 stouter if not longer than the rest ; anterior mandibular teeth 

 longest. Head distinct from neck, more or less elongate ; eye 

 large, with round pupil. Body elongate, more or less compressed 

 scales smooth, in 13 or 15 rows, narrow, disposed obliquely, with 

 apical pits, those of the vertebral row more or less enlarged 

 ventrals with a suture-like lateral keel and a notch on each side, 

 corresponding to the keel. Tail long ; subcaudals in two rows 

 keeled and notched like the ventrals. 



South-eastern Asia and Australia. 



Fig. 6. 



Maxillary and mandible of Dendropkis pictiis. 



Syno2^sis of the ^^)ec/es. 



I. Maxillary teeth 20 to 26 ; eye not longer than its distance from 

 the nostril. 



A. Scales in 15 rows. 



A single loreal ; ventrals 165-190 .... 1. pictus, p. 78. 

 Two loreals ; ventrals 154-171 2. bifrenalis, p. 80. 



B. Scales in 13 rows. 



Usually two superposed anterior tem- 

 porals ; ventrals 176-211 3. calligaster, p. 80. 



Usually a single, much elongate anterior 

 temporal; ventrals 191-220 ; no dark 

 streak on the side of the head 4. inmctulatus, p. 82. 



