04. DEXDROPniS. 



81 



the anterior chin-shields, which are much shorter than the 

 posterior. Scales in 13 rows, the vertebrals about a large as the 

 outer. Ventrals 176-211; anal divided; subcaudals 125-151. 

 Coloration very variable, but a more or less distinct black or blackish 

 streak on each side of the head, passing through the eye, is constant, 

 and usually connected with its fellow across the rostral shield ; 

 upprr lip and throat yellow ; some of the scales with more or less 

 distinct yellowish outer border. 



Total length 1270 milliin. ; tail 430. 



Moluccas, New Guinea and neighbouring Islands, Solomon Islands, 

 Cape York. 



A. Bronzy or olive above ; the dark streak on the side of the head 

 usually prolonged to the neck, where it may break up into 

 spots ; pale olive beneath, more or less closely speckled with 

 darker. (D. calligaster, Gthr. ; D. aruensis, Doria; D. darnley- 

 engis, Macleay.) 



0-6. 9 (V. 194, 191 ; C. 



141, 150). 

 c-e. rf (V. 178; C. 128) 



& $ (V. 184, 185; C. 



132, 135). 

 f-ff, h. $ (V. 184, 190; 



C. 14'., 143) hgr. 



(V.191; C. 136). 

 i-l. 6 (V. 179, 178; C. 



143,:^) & 2 (V. 180; 



oft. 



m. rf (V. 176; C. 136). 

 n. 2 (V. 178; C. 145J. 



o. J (V. 177 ; C. 142). 



p-. rf(V.182; C.?), $ 

 (V. 183 ; C. 139), & hgr. 

 (V. 181, 182 ; C. 133, 

 142). 



t. 2 (V. 184; C. 138). 



Mansinam, New 



Guinea. 



Islands of Torres 

 Straits. 



Murray Id., Torres 

 Straits. 



Cornwallis Id., Torres 

 Straits. 



Cape York. 



St. Aignan, Louisiade 



Archipelago. 

 Shortlaud Ids., Solomon 



Group. 

 Gela, Solomon Ids. 



M. L. Laglaize [C.]. 



Rev. S. Macfarlane 

 [C.]. 



Rev. S. Macfarlane 



[C.]. 



Rev. S. Macfarlane 



[C.]. 



(Type.) 



B. H. Thomson, Esq. 



[P.]. 

 H. B. Guppy, Esq. 



C.M.'vVoodford.Esq. 



[C.]. 



Guadalcanar, Solomon C. M.Woodford,Esq. 

 Ids. [C.]. 



B. Like the preceding, but anterior dorsal region tinged with 

 vermilion. 



a-b. 2 (V. 185, 178 ; 

 C. 140, 133). 



Guadalcanar, Solomon C. M.Woodford, Esq. 

 Ids. [C.]. 



C. Like A, but anterior dorsal region dark brown or black, with 

 the scales of the vertebral series yellow. 



a. $ (V. 183 ; C. 127). Aleya, S.E. New 



Guinea. 



b. 2 (V. 183 ; C. 127). Rossel Id., Louisiade B. H. Thomson, Esq. 



Archipelago. [P.], 



VOL. n. o 



