170 



COLUBHID.E. 



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

 preserved in the adult. 



Total length 1070 millim. ; tail 175. 



Southern Brazil to Buenos Ayres. 



Brazil. 



Kiu Grande do Sul. 



Asuncion, Paraguay. 

 Uruguay. 



Capt. J. Parish [P.]. 

 Dr. II. v. Iheriiig 

 [C.]. 



Dr. J. Bohls [C.]. 



a. Hgr. (V. 174 ; C. 59). 

 b,c-d. $ (V. 180, 17--.; 



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



169 ; C. 53). 

 e. ?(V. 183; C. 51). 

 f-m. of (V. 172, 168, 167, 



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



& $ (V. 170,170,166; 



C. 60, 59, 57). 



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

 preceding. 



11. Rhadinsea jaegeri. (PLATE VII. fig. 3.) 



Coronella jregeri, Giinth. Cat. p. 37(1858); Bouleng. Ann. fy Mag. 



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

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



Hemel, Arch.f. Nat. 1868, p. 325. 

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



Eye moderate. Rostral broader than deep, just visible from 

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

 or shorter than the prsefrontals ; 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 prae- 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). Veutrals 

 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 560 millim. ; tail 115. 



Southern Brazil and Uruguay. 



a. $ (V. 153 ; C. 56). 



b. $ (V. 147 ; C. 62). 

 c~e. rf (V. 157; C. 62), 



$ (V. 166 ; C. 60), & 

 yg. (V. 164 ; C. 69). 

 f. ? (V. 164 ; C. 56). 



Brazil. Dr. Gardiner [C.]. I 



Brazil. M. Clausen [C.]. ( 



Rio Grande do Dr. H. v. Ihering [C.]. 

 Sul. 



Uruguay. 



12. Rhadinsea genimaculata. 



Dromicus lineatus, part., Dum. Sf Bibr. vii. p. 155 (1854). 

 Liophis (Lygophis) geuimaculata, Boetty. Zeitschr. f. yes. Naturw. 

 Iviii. 1885, p. 229. 



