SNAKES. 121 



body uniform olive ; a broad black band beginning from tbe 

 back edge of eye, tapering and disappearing on the second fifth 

 of total length, a second from the throat along the edges of the 

 ventral plates, and a third intermediate ; both the latter much 

 narrower than the first, and disappearing on the same region. 

 Beneath uniform yellowish. Length of cleft of mouth §" ; length 

 of tail 8" ; total length 27". 



5. Cyclophis tricolor. 



Herpetodryas tricolor, Schleg. Ess. p. 187. pi. 6. f. 16-18. 



Lorealnone; eight upper labials. Above greenish olive, be- 

 neath yellowish, a black streak from the back edge of eye along 

 the sides of the anterior part of body. 



a. Adult. Java. From the Leyden Museum. 



3. Dryocalamus, Gunther. 



Teeth equal in length, none grooved. Body very slender, 

 much compressed ; head short, with rounded muzzle, depressed ; 

 loreal united with anterior ocular, two posterior ones ; one nasal, 

 pierced by the nostril. Scales smooth, in fifteen rows. Ventral 

 plates appearing to be formed out of three pieces, one medial 

 and two lateral ones; latter raised on the sides, erect. Eye 

 moderate. 



1. Dryocalamus tristrigatus. 



Above brown, with three white longitudinal stripes ; beneath 

 whitish. 



a. Sine patria. From the Haslar Collection. 



Description. — In general appearance similar to Ablabes gemi- 

 natus, but more slender and compressed ; head with flat crown, 

 depressed; muzzle rather short, rounded. Rostral shield broad, 

 raised on the surface of head ; frontals moderate, both pairs not 

 bent on the sides ; vertical twice as long as broad, with nearly 

 parallel outer edges, and a right angle behind ; occipitals elon- 

 gate, obtuse behind ; two posterior oculars, anterior ocular united 

 with loreal ; one quadrangular nasal pierced by the nostril ; seven 

 upper labials, third and fourth forming the lower edge of orbit. 

 Two temporal shields in contact with both posterior oculars ; 

 first pair of lower labials forming together a suture ; two pairs 

 of chin-shields behind. Scales short, rhombic, smooth, in fifteen 

 rows. Ventral plates strongly keeled, and raised on the sides ; 

 anal entire. Above brown, with three white streaks from the 



G 



