SNAKES. 129 



the orbit. Back greyish olive, the darker coloration of the sides 

 well-defined towards the back ; a black streak through the eye, 

 confluent with a black spot on the neck ; behind the eye a 

 whitish spot. Belly yellowish, on each side of the ventral plates 

 a small black spot, forming a punctated longitudinal line on the 

 edges of abdomen. 



a. Adult. Rio Janeiro. Presented by A. Fry, Esq. 



b. Adult. Rio Janeiro. Presented by G. Busk, Esq. 



c. Half-grown. Brazil. From the Haslar Collection. 



? Var. Scales in nineteen rows ; above uniform brown, paler 

 beneath, a blackish streak through the eye. Perhaps = Dro- 

 micus unicolor, Dum. & Bibr. p. 6.58. 



d. Adult. Jamaica. Presented by R. Heward, Esq. 



Sometimes a very narrow, distinct, medial brown line, be- 

 ginning from the collar-like spot on the neck, more conspicuous 

 in front ; on the posterior parts the back is separated from the 

 sides by a similar very narrow punctated line ; the punctated 

 lines of abdomen continued on the tail ; anal bifid ; anterior 

 ocular just reaching the surface of crown ; two posterior ones. 



5. Dromicus angulifer. 



Bibron, in Hist, de rile de Cuba de M. Ramon de la Sagra, 

 p. 222, and Atlas, pi. 27, named Coluber cantherigerus (head not 

 good). Dum. cy Bibr. vii. p. 6/0. 



Habit slender. Scales smooth, in seventeen rows ; one loreal 

 shield ; nine upper labials, the fourth, fifth and sixth coming into 

 the orbit; two posterior oculars; one ante-ocular, not reaching 

 the vertical. Olive or light brown, with a few large, black, 

 arrow-shaped spots on the back ; belly uniform yellowish. (See 

 Dromicus antillensis and Philodryas dorsalis, natives of the same 

 islands.) 



a. Adult. Cuba. From M. Salle's Collection. 



b. Half-grown. Cuba. From Mr. Jamrach's Collection. 



6. Dromicus antillensis. 



Psammophis antillensis, Schley. Ess. ii. p. 214. Dromicus 

 antillensis, Dum. § Bibr. p. 659. 



Habit slender. Scales smooth, in nineteen rows ; one anterior, 

 two posterior oculars ; eight upper labials, the third, fourth and 

 fifth coming into the orbit. Light brown above, with more or 

 less conspicuous darker stripes ; beneath dull yellowish, brown- 



g5 



