81. EHADIN^A. 173 



a. Hgr. 2 (V. 170 ; C. 64). llio Janeiro. A. Fry, Esq. [P.]. 



b IL'T. c5' (V. 147 : C. 71). Rio Janeiro. G. Busk, Esq. [P.J. 



(Types.) 



c-e S (V. 178; C. ?) & Rio Grande do Sul. Dr. H. v. Ihering 

 yg. (V. 172, 176; G. [C.]. (Types of 



58,?). C.iheringii.) 



f. ? (V. 185; C. 6o). Theresopolis. Fischer Collection. 



16. Rhadinsea pcecilopogon. 



Dromieu? afHnis, part., Giinfk. Cat. p. 128 (1858). 



Rbadin;ea pcecilopogon, Cupe, Proc. Ac. Fhilad. 1863, p. 100; 



G'unth. Zool. Rec. 1866, p. 125. 

 Enieognathus elegaus, Jan, Arch. Zool. Anat. Plnjs. li. 1863, p. 268, 



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

 Dromicus melanoceplialus, Peters, Mon. Berl. Ac. 1863, p. 277. 

 PLiophis persiniilis, Cojje, Proc. Ac. Philad. 1868, p. 308. 

 Coronella pcecilopogon, Boulem/. Ann. ^ Mag. N. H. (5) xv. 1885, 



p. 194, and xviii. 1886, p. 431. 

 Enieognathus biliueatus, Fischer, Jahrb. Ilamb. Wiss. Anst. ii. 18S5, 



p. 08, pi. iii. fig. 5. 



Eye rather small. Eostral hroader than deep, scarcely visible 

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

 I'rootals ; 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 pr;v- 

 and tvro 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; subeaudals 66-75. 

 Length of tail 8^ 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 veutrals ; head 

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

 the cauthus 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 contlucnt into a streak on the hinder half of the 

 bodv. 



Total length 440 millim. ; tail 120. 



Southern Brazil, Paraguay, and Uruguay. 



a-b. c? (V. 151 ; C. 75) & Rio Grande do Sid. Dr. II. v. Ihering [C.l 

 2 (V. 160; C. 69). 



c. 2 (V. 163 ; C. 70). Sta. Catharina. Dr. II v. Ihering [0.]. 



d. cS (V. 141 ; C. 72). Santos. Dr. J. G. Fischer's 



Collection. (Type 

 of jE. bilineatiis.) 



e. J (V. 155; C. 66). Brazil. Haslar Collection. 



(One of the types of Z>. ajfinis.) 



f. S (V. 154 ; C.72). Paraguay. Prof. Grant [P.J. 



