170 COLUBEID^. 



body and on the tail ; these markings may be more or less distinctly 

 preserved in the adult. 



Total length 1070 millim. ; tail 175. 



Southern Brazil to Buenos Ayres. 



a. Hgr. (V. 174; C. 59). Brazil. Capt. .1. Parish [P.]. 



b, c-d. 2 (V. 180, 175 ; Rio Grande do Sul. Dr. H. v. Ihering 

 C. 58, 58) & yg. (V. [C.]. 



169 ; 0. 53). 

 e. 2 (V. 183; C. 51). Asuncion, Paraguay. Dr. J. Bohls [C.]. 



f-m. d (V. 172, l(i8, 167, Uruguay. 



170 ; C. 58, 57, 56, 51) 



& 2 (V. 170,170,166; 



C. 60, 59, 57). 



This form may have to be regarded as merely a variety of the 

 preceding. 



11. EhadinaBa jsegeri. (Plate VII. fig. 3.) 



Coronella j;T?geri, G'dnth. Cat. p. 37 (1858); Bouleng. Ann. Sf Mag. 



N. H. (5) .tviii. 1886, p. 431. 

 Liophis (Ophiomorphus) dorsalis, Peters, Mon.Berl. Ac. 1863 p. 283 ; 



Henset, Arcli.f. Nat. 1868, p. 325. 

 Opheomorphus dorsalis, Cope, Froc. Ac. Philad. 1868, p. 102. 



Eye moderate. Eostral broader than deep, just visible from 

 above ; internasals as long as broad or a little broader, as long as 

 or shorter tban the pra>tronta]s ; frontal not twice as long as broad, 

 a little longer than its distance from the end of the snout, a little 

 shorter than the parietals ; loreal deeper than long ; one prte- and 

 two postoculars ; temporals 1 + 2 ; eight upper labials, fourth and 

 fifth entering the eye ; five lower labials in contact with the 

 anterior chin-shields, which are as long as or a little longer than 

 the posterior. Scales in 17 rows (exceptionally 19). Ventrals 

 147-165; anal divided; subcaudals 55-62. Length of tail 4| to 

 5 times in the total length. Olive above, this colour extending to 

 the sides of the ventrals ; vertebral region brown; lower surface 

 yellowish or salmon-pink, uniform or obscured with olive. 



Total length 500 millim. ; tail 115. 



Southern Brazil and Uruguay. 



$ (V. 153 ; C. 56). Brazil. Dr. Gardiner [0.]. 



Types. 



h. $ (V. 147 ; C. 62). Brazil. M. Clausen [C 



c-e. S (V. 157 ; G. 62), Rio Grande do Dr. H. v. Iheri£g [C.J 



2 (V. 165; C. 60), & Sul. 



yg. (V. 164 ; C. 59). 



/. $ (V. 164; C. 65). Uruguay. 



12. Rhadinsea genimaculata. 



Dromicus lineatus, part., Diim. 4' Bibr. vii. p. 155 (1854). 

 Liophis (Lvgophis) geuimaculata, Boettg. Zeitschr. f. ges. Naturw. 

 Iviii. 1885, p. 229. 



