TRIMERESURUS 299 



TRIMERESURUS WAGLERI ALBOVIRIDIS Taylor 



Plate 37, fig. 2 



Trimeresurus wagleri alboviridis Taylor, Philip. Journ. Sci. § D 

 12 (1917) 366. 



Description of subspecies. — ^(From the type, No. 432, E. H. 

 Taylor collection; collected in Isabela, Occidental Negros, Sep- 

 tember 12, 1915, by E. H. Taylor.) (Young female.) Head 

 triangular, very distinct from neck, nearly one and a half times 

 as long as wide ; rostral about as wide as high, not visible from 

 above, bordered behind by 2 enlarged internasals ; latter narrowly 

 in contact, being nearly separated by 3 small scales; nasal bor- 

 dered above by internasal, 2 supranasals, and a postnasal folded 

 over canthus ro'stralis, the dorsal part much larger than the 

 lateral; nasal large, longer than wide, nostril pierced near ante- 

 rior margin, bordered behind by postnasal and a number of 

 small intercalated scales, 7 or 8 in number, completely separating 

 nasal from loreal, and loreal from first labials ; pit surrounded 

 by median preocular and 2 loreals ; anterior loreal much larger 

 than posterior, in contact with second labial and 1 supralabial; 

 3 preoculars, the middle largest, the lower very small; 2 small 

 subequal postoculars; a narrow, crescentic, elongate subocular, 

 separated from labials by a series of supralabials ; supraocular 

 region covered by 4 enlarged scales, the supraocular somewhat 

 longer than wide ; this is bordered by another scale along its 

 inner side, nearly as large ; a third somewhat smaller scale 

 joins these behind, and a fourth borders them in front; supra- 

 ocular and the scale in front in contact with superior preocular; 

 temporals subequal, about 4 lateral rows; upper labials 11 (10 

 on right side), third and fourth largest, first and second sub- 

 equal in size ; 12 lower labials, only 1 in contact with anterior 

 pair of chin shields ; latter large, followed by 3 smaller pairs ; 

 head scales above strongly keeled, 14 to 15 rows between supra- 

 ocular scales ; scales in 23 rows, faintly keeled, with a slight 

 notch indicated on each side of scales ; ventrals, 163 ; subcau- 

 dals, 50; anal entire. 



Color in life. — Above bluish green, growing yellowish green 

 laterally and greenish white below; body crossed with 26 very 

 narrow white lines, not continuing ventrally; tail barred later- 

 ally with narrow white and blackish lines ; point of tail whitish ; 

 a slight line behind eye to angle of jaw, top of head more blue 

 than green, side of head lighter green with no markings. 



