DENDRELAPHIS 169 



Genus DENDRELAPHIS Boulenger 



Leptophis, part., Bell, Zool. Journ. 2 (1825) 328. 



Dendrophis, part., Waglee, Syst. Arnph. (1830) 182; Schlegel, Phys. 

 Serp. 2 (1837) 220; Dumeril and Bibron, Erp. Gen. 7 (1854) 

 193; GtJNTHER, Cat. Col. Snakes (1858) 148; Rept. Brit. India 

 (1864) 296; Jan, Elenco Sist. Ofid. (1863) 85; Boettgee, Ber. 

 Senck. Nat. Ges. (1886) 111. 



Dendrelaphis Boulenger, Fauna Brit. India, Rept. (1890) 339; 

 Cat. Snakes Brit. Mus. 2 (1894) 87; Griffin, Philip. Journ. Sci. 

 § D 6 (1911) 260. 



"Maxillary teeth 18 to 23 ; anterior maxillary and mandibular 

 teeth longest. Head elongate, distinct from neck; eye large, 

 with round pupil. Body much elongate, feebly compressed; 

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

 apical pits, those of the vertebral row not or but very slightly 

 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." {Bou- 

 lenger. ) 



The genus is distributed over southern Asia and the East 

 Indies. There are three Philippine species. 



Key to the Philippine species of Dendrelaphis Boulenger. 



a\ Ventrals,* 176 to 186; subcaudals, 105 to 113; body with numerous black 

 stripes along entire length. Palawan and Balabac. 



D. caudolineatus (Gray) (p. 169). 

 a~. Ventrals, 169 to 179; subcaudals, 103 to 112; no stripes of any kind on 

 body. Luzon, Mindoro, Negros, and Sulu. 



D. modestus Boulenger (p. 172). 



ar. Ventrals, 162 to 186; subcaudals, 94 to 112; a black stripe behind eye; 



stripes wanting on anterior third of body, usually present on posterior 



part. Luzon, Negros, and Mindanao,... D. terrificus (Peters) (p. 174). 



DENDRELAPHIS CAUDOLINEATUS (Gray) 



Plate 21 



Ahxtulla caudolineata Gray, 111. Ind. Zool. 2 (1834) pi. 81. 

 Leptophis caudalineatus Cantor, Cat. Mai. Rept. (1847) 85. 

 Dendrophis octolineata Dumeril and Bibron, Erp. Gen. 7 (1854) 



201; Jan, Icon. Gen. (1869) 32, pi. 2, fig. 1. 

 Dendrophis cmidolineata Gunther, Cat. Col. Snakes (1858) 150; Rept. 



Brit. India (1864) 297; Gunther, Zool. Rec. (1870) 75; Stoliczka, 



.Journ. As. Soc. Bengal 39 (1870) 194; 42 (1873) 123. 

 Dendrelaphis caudolineatus Boulenger, Fauna Brit. India, Rept. 



(1890) 339; Cat. Snakes Brit. Mus. 2 (1894) 89; Griffin, Philip. 



Journ. Sci. § A 4 (1909) 598; § D 6 (1911) 261. 



Descriptio7i of species. — (From No. 414, Bureau of Science 

 collection; collected in Palawan.) Head moderately slender; 



' Counts of ventrals and subcaudals are for Philippine specimens 



