DRYOPHIS 221 



This species in the Philippines is probably confined to Pala- 

 wan and the near-by islands ; outside the Philippines it is known 

 in southern Asia and the Malay Archipelago. 



DRYOPHIS GRISEUS sp. nov. 



Type. — No. 271, Bureau of Science collection; collected on 

 Camiguin Island, Cagayan Islands, in 1907, by R. C. McGregor. 



Description of type. — (Adult male.) Head long, slender, 

 snout projecting; rostral visible above, the projecting part some- 

 what striate ; internasals long, narrow, not touching labials ; 

 prefrontals nearly twice as long as wide; frontal elongate, 

 shorter than its distance to end of snout ; parietals a little longer 

 than broad; nasal elongate, four times as long as wide; 2 mod- 

 erate-sized loreals above a very large loreal; 2 large preoculars, 

 upper touching frontal; 2 postoculars; an anterior and a poste- 

 rior subocular ; temporals 2 -[- 3 + 3, third upper largest ; 8 and 

 9 upper labials, third and fourth upper labials broken, normally, 

 leaving the lower postocular and a large square loreal scale 

 below the 2 upper loreals; fifth labial enters eye; 9 and 8 lower 

 labials, fourth and fifth touching anterior pair of chin shields, 

 which are smaller than second pair ; ventrals, 208 ; subcaudals, 

 160 (tip of tail missing; estimated 15 subcaudals also missing) ; 

 anal single, body compressed with only very indistinct lateral 

 keels on ventrals. 



Color in alcohol. — Above uniform gray, growing lighter gray 

 on sides ; skin on neck and body between scales black and white, 

 the black extending on scales on anterior part of body ; tail above 

 gray, at base mottled with darker, growing brownish toward 

 end ; belly gray-white with a cream-white stripe along sides 

 of belly ; tail dark mottled below. 



Measurements of Dryopkis griseus sp. nov. 



mm. 



Total length 1,498 



Snout to vent 951 



Tail 547 



Length of head 36 



Width of head 16 



Variation. — Two other specimens are in my collection ; one 

 from Limay, Bataan, the other from Montalban, near Manila. 

 The Limay specimen agrees with the type in practically all de- 

 tails save that the fourth labial enters the eye, and the tail is 

 not so dark as in the type. 



