Batrachians of the Province Rio Grande do SuL 433 



Dromicus Jlavifrenatus. 



Lxjgophis fiavifrenatus, Cope, Proc. Ac. Philad. 1862, p. 80. 



Dromicus amahilis, Jan, Icon. Oph. 24, pi. v. fig. 2. 



Aporophis Jlavifrenatus, Cope, Proc. Am. Phil. Soc. xxii. p. 191. 



One specimen, from San Lorenzo, was sent hy Dr. v. 

 Ihering. 



Dromicus melanostigma. 



Natrix melanostigma, Wagl. in Spix, Serp. Bras. p. 17, pi. iv. fig. 2. 



Dromicus Pleii (non D. & E.), Giintli. Cat. Col. Su. p. 128. 



Dromicus melanostigma, Jan, Icon. Oph. 24, pi. v. fig. 3 ; Bouleno-. 



Ann. & Mag. Nat. Hist. (5) xv. p. 195, and xvi. p. 297. 

 Aporophis cyanopleurus, Cope, Proc. Am. Phil. Soc. xxii. p. 191. 



B. M. ; V. I. 



Ptyas, Fitz. 



Ptijus pantherinus. 



Coluber pantherinus, Daud. Rept. vi. p. 318; Schleg. Serp. ii. p. 143, 



pi. V. figs. 13 & 14. 

 CoryphodoH pantherinus. Bum. & Bibr. vii. p. 181 ; Hens. /. c. p. 330; 



Jau, Icon. Oph. 24, pi. iii. fig. 1. 

 Pseudoelaps pantherinm, Cope, Proc. Ac. Philad. 1862, p. 349. 

 Drymohius pantherinus, Cope, Proc. Am. Phil. Soc. xxii. p. 192. 

 Fty as pantherinus, Boettg. Zeitschr. f. Naturw. Iviii. 1»85, p. 233. 



B. M. ; V. I. One specimen, from Poito Alegre. 



Spilotes, Wagl. 



Spilotes variabilis. 



Coluber variabilis, Wied, Abbild. ; Schleg. Serp. ii. p. 149, pl. vi. figs. 1 



& 2. 

 Spilotes va7-iabilis, Bum. & Bibr. vii. p. 220 ; Hens. /. c. p. 330. 



B. M. ; V. I. 



Herpetodryas, Schleg. 



Herpetodryas carinatus. 



Coluber carinatus, Linn. S. N. i. p. 384. 



Herpetodryas carinatus, Schleg. Serp. ii. p. 175, pl. \ni. figs. 3-7 ; Bum. 

 & Bibr. vii. p. 207 ; Hens. /. c. p. 330 ; Jan, Icon. Oph. 31, pl. ii. 



B. M. ; V. I. 



Xenodon, Schleg. 



a. Usually seven upper labials, sixth largest, third and 



fourth, or fourth only, entering the orbit ; three or 



four postoculars ; 19 rows of scales rhabdocephalus. 



b. Eight upper labials, seventh largest, fourth and fifth 



entering the orbit ; two postoculars ; 21 rows of 



scales Neuwiedii. 



