114 REPTILES. 



Dum. fy Bibr. vii. p. 203. Psammophis, sp., Holbr. I. c. p. ii ; 

 Hallow, Journ. Acad. Nat. Sc. Philad. 1852, p. 178. Herpeto- 

 dryas, sp., Schleg. Ess. ii. p. 173. Macrops, Wagl. I. c. p. 182. 

 Coronella, sp., Bote, I. c. p. 539. 



1. Herpetodryas fuscus. 



Coluber fuscus, Linn. Mus. Ad. Fried, t. 17- f. 1. Coluber 

 saturninus, Linn. I. c. t. 9. f. 1. Coluber subfuseus, Lacep. Quadr. 

 Ovip. ii. p. 229. Natrix saturuina, Laur. Rept. p. 77 ; Shaw, 

 Gen. Zool. hi. p. 498. Coluber laevicollis, Wied, Beitr. p. 296. 

 Macrops saturuinus, Wagl. Syst. Amph. p. 182. Herpetodryas 

 carinatus, var., Schleg. Ess. t. 7 • f- 3, 4 (not f. 1, 2). Herpeto- 

 dryas fuscus, Dum. &f Bibr. vii. p. 209. 



All the scales smooth, in ten or twelve rows. 



a. Very large specimen : 8' long ; circumference of body 5\". 



Female. British Guiana? Presented by Sir R. Schomburgk. 



b. Adult : greatly injured. Para. Presented by R. Graham, Esq. 



c. Adult : injured. Rio Janeiro. Presented by A. Fry, Esq. 



d. Adult. Brazils. 



e. Adult : injured. Brazils. Presented by Lord Stuart. 



/. Half-grown : head injured. Berbice. Presented by Lady 

 Essex. 



g. Half-grown : badly preserved. Berbice. Presented by Lady 

 Essex. 



h. Adult. Guadaloupe. From M. Parzudaki's Collection. 



i. Adult : head injured. Venezuela. From Mr. Dyson's Col- 

 lection. 



k. Adult. Sine patria. 



I. Adult : not good state. Sine patria. 



m. Half-grown male : bad state. Sine patria, From the Haslar 

 Collection. 



Young specimens : Dendrophis viridis, Dum. §• Bibr. p. 202. 

 pi. 79 (coloration bad). 



Olive, with narrow, lighter, rather oblique cross bands. 



n. Caraccas. From M. Parzudaki's Collection, 

 o. Venezuela. From Mr. Dyson's Collection. 



These specimens agree perfectly with the description of Den- 

 drophis viridis given by Dumeril, I. c, as to the arrangement 

 and structure of the head-shields and scales. On the other 

 hand, they agree quite as well with the specimens of II. fuscus 

 which exhibit the fourth upper labial coming into the orbit. 

 An accurate examination of all our specimens of H. fuscus 

 shows that the above shield often enters the orbit. As to the 



