62 



SNAKES OF THE PHILIPPINE ISLANDS 



oculars slender, about two and a half times as long as broad; 

 parietals much larger than supraoculars, little more than twice 

 as long as wide; nasals separated, their upper ends barely ex- 

 tending beyond the posterior level of rostral, which reaches 

 almost to the anterior level of eyes ; nasal completely divided by 

 nasal cleft, which arises from first labial; preocular in contact 

 with 2 labials, not as wide as ocular, its upper end scarcely 

 reaching higher than the upper level of eye; eye distinct, with 

 a minute pupil visible, not crossed by suture of ocular with pre- 

 ocular ; 2 body scales border ocular behind ; 4 lower labials, 

 second scarcely larger than first ; scales in 22 rows around middle 

 of body, 20 on neck, 22 in front of anus, tail ending in a sharp 



c^- 



Fic. 

 \■ie^^' ; t- 



Tijiihloi'S stducnsis Taylor; IVom the type; a. head, lateral view; 6. head, dorsal 

 in ; X 3. 



spine; body width in body length, 46; tail width in tail length. 

 2.5; tail length in body length, 26. 



Color in life. — Above dark drab-gray, covering nine whole and 

 two half rows of scales, each scale with a slightly curved lighter 

 area, which fomis a fine-meshed network over body ; balance of 

 body very light gray, the ventral median row of scales dift'eren- 

 tiated by being much, lighter in color, with the outer edges and 

 the edges of adjacent scale rows slightly darker; occasionally an 

 entire scale is white in the median ventral row ; tip of tail and 

 anal region whitish; underside of head rather light dirty white; 

 head with lighter curved lines, arranged regularly but not follow- 

 ing the outlines of the head scales. 



