SNAKES. 191 



Var. D. Like former ; only one temporal in contact with the 

 oculars. ? 0. rhombifer, Dum. & Bibr. p. 1018. 



g. Adult. Columbia. From Mr. Brandt's Collection. 



h. Adult. South America. From Mr. Mather's Collection. 



Var. E. Like former, having on one side one temporal in 

 contact with oculars, on the other two. 



i. Adult. Venezuela. From Mr. Dyson's Collection. 

 j. Adult. America. 



Var. F. Oxyrhopus subpunctatus, Dum. & Bibr. p. 1016. 

 Like former ; belly punctated with black ; two temporal shields 

 in contact with oculars. 



1c, I. Adult and half-grown. Demerara. From Mr. Snellgrove's 

 Collection. 



Var. G. Black, with about fifteen narrow white cross bands, 

 sometimes interrupted on the back ; one or two temporal shields 

 in contact with oculars ; scales of the back equal. 



m. Adult. Bahia. From M. Parzudaki's Collection as 0. sebce. 

 n. Adult : injured. Brazil. From Mr. Mather's Collection, 

 o. Half-grown. South America. From the Zoological Society's 

 Collection. 



5. Oxyrhopus immaculatus. 



Dum. $ Bibr. p. 1029. 



One anterior ocular, reaching the vertical ; two temporal 

 shields in contact with oculars. Loreal elongate. Above uni- 

 form dark olive, beneath uniform yellowish. 



a. Adult. Brazil. From the Haslar Collection. 



b. Adult. Pernambuco. 



6. Oxyrhopus bipr^eocularis. 



Dum. Sf Bibr. p. 1030. 



Two anterior oculars. 



Perhaps only a variety of Oxyrhopus petolarius. 



a. Adult : head injured. Berbice. 



7- Oxyrhopus trigeminus. 



Lycodon formosus, Schleg. Ess. h. pi. 4. f. 8, 9. Oxyrhopus 

 trigeminus, Dum. 4" Bibr. p. 1013. 



One anterior ocular, reaching the vertical ; one temporal in 



