16 REPTILES. 



11. Streptophorus, Dum. Sf Bibr. 



Body and tail elongate; two pairs of frontals; two nasals, 

 nostril between ; ante-orbital none, united with the loreal ; two 

 posterior orbitals. Scales keeled, elongate, in nineteen (seven- 

 teen) rows ; anal entire ; subcaudals two-rowed. Teeth equal, 

 smooth. Central and South America. 



Streptophorus, Dum. Sf Bibr. vn.p. 514. Calamaria, sp., Schleg. 

 Ley den Museum. 



1. Streptophorus drozii. 



Streptophorus drozii, Dum. Sf Bibr. p. 518. 



Above brown, with a light collar, beneath paler ; upper labials 

 seven, the third and fourth coming into the orbit. 



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



b. Adult. Caraccas. From M. Parzudaki's Collection. 



c. Half-grown. Caraccas. 



d. Half-grown. Honduras. 

 e,f. Adult. America. 



2. Streptophorus seb^. 



Streptophorus sebae, Dum. Sf Bibr. p. 515. 



Whitish or brownish, with two rows of black, quadrangular, 

 transverse spots ; head and neck brown , with light collar ; 

 beneath white. 



a. xVdult. Belize. 



b. Adult. Honduras. From M. Parzudaki's Collection. 



c. Adult. Mexico. 



d-f. Adult and young. Mexico. From Hugo Finck's Col- 

 lection. 



g-i. Adult and half-grown. Mexico. From M. Salle's Col- 

 lection. 



k, I. Half-grown. America. 



3. Streptophorus bifasciatus. 

 Streptophorus bifasciatus, Dum. Sf Bibr. p. 520. 



Above uniform black, with a white collar; beneath white, 

 each ventral plate and subcaudal provided with a black speck, 

 forming together a punctated line along the middle of belly and 

 tail. 



