DRYOPHIS 219 



DRYOPHIS PRASINUS Boie 



Dryinus nasutus Bell, ZooL Journ. 2 (1825) 327. 



Dryophis prasinus BoiE, Isis (1827) 545; Schlegel, Abbild. (1837) 



pi. 8, figs. 1-6; GuNTHER, Cat. Col. Snakes (1858) 159; Jan, Icon. 



Gen. (1869) 33, pi. 5, fig. 1; Boulengbr, P'auna Brit. India, Rept. 



(1890) 369; Cat. Snakes Brit. Mus. 3 (1896) 181; Peters, Mon. 



Berl. Ak. (1861) 688; Fischer, Jahrb. wiss. Anst. Hamburg (1885) 



80. 

 Dryinus prasinus, part., Cantor, Cat. Mai. Rept. (1847) 81. 

 Oxyhelis fidgidus, part., Dumeril and BiBRON, Erp. Gen. 7 (1854) 



817. 

 Tragops prasinus Dumeril and BiBRON, Erp. Gen. 7 (1854) 824; 



GtJNTHER, Rept. Brit. India (1864) 303; Casto de Elera, Cat. 



Fauna Filipinas 1 (1895) 434 (and var.). 

 Tragops xanthozonius DuMERiL and BiBRON, Erp. Gen. 7 (1854) 824; 



Casto de Elera, Cat. Fauna Filipinas 1 (1895) 435. 



Description of species. — (From No. 257, Bureau of Science 

 collection ; collected at Iwahig, Palawan, December 22, 1907, by 

 C. M. Weber.) Head narrow, elongate; snout projecting; ros- 

 tral small, barely visible above; anterior edge of nasals also 

 visible above; internasals much longer than wide, in contact 

 (on one side only) with second labial; prefrontal about twice 

 as long as wide, posterior edges rounding, overlapping frontal; 

 frontal elongate, much narrowed posteriorly, shorter than its 

 distance to end of nose; supraoculars very large, nearly as wide 

 as long, wider than frontal; parietals long, somewhat longer 

 than frontal ; nasal three times as long as wide ; 3 and 4 very 

 small loreals ; 1 large, irregular preocular ; 2 postoculars, upper 

 larger ; temporals 2 + 3 -}- 3, third upper largest ; 9 upper labials, 

 fourth, fifth, and sixth entering eye, seventh largest, ninth much 

 elongate ; mental small, as wide as rostral ; 8 and 9 lower labials, 

 first 4 in contact with first pair of chin shields which are very 

 much shorter than second pair; latter bordered by 2 labials; 

 eye large, pupil horizontal; a deep elongate depression from 

 eye to nostril ; scales in 15 rows, the median somewhat enlarged 

 toward posterior part of body; scales on back above anal region 

 keeled; ventrals, 211, each with indistinct keels laterally; sub- 

 caudals, 177; anal divided. 



Measurements of Dryophis prasinus Boie. 



mm. 



Total length 1,400 



Snout to vent 888 



Tail 512 



Length of head 37 



Width of head 14 



