168 REPTILES. 



3. EuDiPSAS, Fitzinger. 



Dipsas with a compressed, elongate body and tail ; head 

 broad, distinct from neck ; shields of the head regular ; one 

 loreal, one anterior, two posterior oculars ; scales moderate (nine- 

 teen to twenty-three rows), those on the vertebral line larger, 

 hexagonal ; anal entire ; subcaudals two-rowed. Pupil sub- 

 elhptical; eyes moderate; nostril between two shields. Ante- 

 rior palatine, maxillary and mandibulary teeth longer, or much 

 longer, than the following ; posterior maxillary tooth furrowed. 

 South America ; East Indian Islands. 



Eudipsas, Fitzinger, Syst. der Rept. p. 27- Opetiodon, Ly- 

 cognathus, sp., Dum. Sf Bibr. vii. pp. 905 & 924. Dipsas, sp., 

 Schlegel, Ess. ii. p. 268. Coluber, Vipera, auct. prior. 



1. EUDIPSAS CYNODON. 



Seba, ii. 76. 1. Yipera ammodytes, Klein, Tent. p. 21. Dipsas 

 cynodon, Cuv. ; Boie, Isis, 1827, p. 559; Guerin, Iconogr. pi. 21. 

 f. 2 ; Schleg. Ess. pi. 11. f. 10, 11 ; Cantor, Catal.ip. 77- Eu- 

 dipsas cynodon, Fitzinger, Syst. der Rept. p. 27. Opetiodon 

 cynodon, Dum. Sf Bibr. vii. p. 907. 



Anterior palatine and mandibulary teeth very large, much 

 longer than the others. Scales in twenty -three rows. Greyish, 

 with dark brown or black cross bands ; crown varied with brown ; 

 a dark streak from the back edge of the eye to the angle of 

 the mouth. 



a. Adult. Philippine Islands. From Mr. Cuming's Collection. 



b. Adult. Java? From Mr. Argent's Collection. 

 c: Adult. Asia. From the Leyden Museum. 



d. Adult : male. Asia. Presented by the Zoological Society. 



2. EUDIPSAS LEUCOCEPHALUS. 



Coluber leucocephalus, Mikan, Delect. Flor. et Fauna, t. .f. 2. 

 Coluber compressus, Oppel. Dipsadomorphus compressus, (Fi^^r.) 

 Wiegm. Archiv, 1845, p. 165. Dipsas leucocephala, Schleg. Ess. 

 p. 288. Lycognathus leucocephalus, Dum. 8f Bibr. vii. p. 924. 



Anterior palatine, maxillary and mandibular teeth rather longer 

 than the others. Scales in nineteen rows. Greyish, with dark 

 brown cross bands ; head uniform whitish. Two upper labials 

 reaching the orbit. 



a. Adult. Berbice. 



b. Adult. Brazil. From Mr. Frank's Collection. 



c. Adult : not good state. Brazil. Presented by Lord Stuart. 



d. Half-grown. Para. From Mr. Stevens's Collection. 



e. Young. Berbice. Presented by Lady Essex. 



