81. RHADIX.ZA.. 173 



i. 1 1 -'i . ? i V. 1 70 ; C. 64). Rio Janeiro. A. Fry, Esq. [P.]. I 



b. Hgr. rf (V. 147 ; C. 71). Rio Janeiro. G. Busk, Esq. [P.]. ( 



[Type*.) 



c-f. <$ ( V. 1 7s ; C. P) & Rio Grande do Sal. Dr. H. v. During 

 V. 17J, 170; C. [C.]. (Types of 



oS,r). C'.iAerinyn.) 



f. $ (V. 185 ; C. 65). Theresopolis. Fischer Collection. 



16. Rhadinaea pcecilopogon. 



Droraicu? afh'nis, part., G'unth. Cat. p. 128 (!>' 



Rh.'uUiuea pojciiopogon, Cope, Proc. Ac. Philad. 1863, p. 100 ; 



(rititth. '/AMI. Rec. 1866, p. \'2~>. 

 Enieojrnathus elegans, Jan, Arch. Zool. Anat. Phys. ii. 1863, p. 268, 



and Icon. Gen. 16, pi. i. fig. 3 (1866). 



Dromicu's melanocephalus, Peters, Mon. Berl. Ac. 1863, p. 277. 

 PLiophis peraimihX Cope, Proc. Ac. Philad. 1868. p. 308. 

 Coronella poecilopogon, Bouleny. Ann. Sf Mag. N. H. (5) xv. 1885, 



p. 19-1, and xviii. 1886, p. 431. 

 Enicognathus bilineatus, Fischer, Jahrb. Hamb. Wiss. Anst. ii. 1885, 



p. 1)8, pi. iii. tig. 5. 



Eye rather small. Rostral broader than deep, scarcely visible 

 from above ; internasals broader than long, shorter than the pne- 

 froutals ; frontal once and two thirds as long as broad, much longer 

 than its distance from the end of the snout, and a little shorter than 

 the parietals ; loreal as long as deep or deeper than long ; one pro. 

 and two postoculars ; temporals 1+2; seven upper labials, third 

 and fourth entering the eye ; four lower labials in contact with the 

 anterior chin-shields, which are shorter than the posterior. Scales 

 'in 17 rows. Ventrals 141-164 ; anal divided; subcaudals 66-7"'. 

 Length of tail 3j to 4 times in the total length. Back brown, with 

 three black longitudinal lines or series of dots ; sides usually dark 

 grey, which colour extends upon the sides of the ventrals ; head 

 dark brown or blackish, with a white line round the snout, along 

 the canthus rostralis, and from the eye to the second upper tem- 

 poral ; upper lip white, brown-dotted ; ventral region yellowish in 

 the middle, with a lateral series of small black spots or short lines, 

 which may be confluent into a streak on the hinder half of the 

 body. 



Total length 440 millim.; tail 120. 



Southern Brazil, Paraguay, and Uruguay. 



a-b. d (V. 151 ; C. 75) & Rio Grande do Sul. Dr. II. v. Ihering [C.I 

 $ (V. 160; C. 69). 



c. $ (V. 16.-5 ; C. 70). Sta. Catharina. Dr. II v. Ihering [C.I 



d. <$ (V. 141 ; C. 1-2). Santos. Dr. J. G. Fisrh.-r's 



Collection. 

 of 11. till i mat iix.) 



t. d (V. 155 ; C. 66). Brazil. ur Coll. ction. 



(One of the tvpea of D. affinis.) 



f. cJ (V. 104 ; C.7'2). Paraguay. IV.f. Gruut [P.J 



