170 COLTIBSID^. 



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 ; 0. 59). Brazil. Capt. J. Parish [P.]. 



b,c-d. $ (V. 180, 175; Eio Grande do Sul. Ur, H. v. Ihering 



0. 58, 68) & yg. (V. [0.]. 



169 ; 0. 53). 

 e. ? (V. 183 ; 0. 51). Asuncion, Paraguay. Dr. J. Bohls [0.]. 



f-m. S (V. 172, l(i8, 167, Uruguayi 



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



& 5 (V. 170, 170, 166 ; 



0. 60, 59, o7). 



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

 preceding. 



11. Rhadinaea jaegeri. (Plate VII. fig. 3.) 



CoronellajiEgeri, Gimth. Cat. p. 37 (1858); Bouleng. Ann. ^ Mag. 



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

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



Hensel, 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 praefrontals ; 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 ; lo wer surface 

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



Total length 560 millim. ; tail 115. 



Southern Brazil and Uruguay. 



a. ? (V. 153 ; 0. 56). Brazil. Dr. Gardiner [0.1. ) „ 



b. S (V. 147 ; C. 62). Brazil. M. Clausen [0.1. ( -^^1"®^- 

 c-e. c? (V. 157 ; C. 62), Rio Grande do Dr. H. v. Ihering [0.1. 



S (V. 165 ; 0. 60), & Sul. 

 yg. (V. 164; 0.59). 

 /. ? (V. 164; 0. 55). Uruguay. 



12. Rhadinsea genimaculata. 



Dromicus lineatus, part., Dum. ^ Bibi-. vii. p. 155 (1854). 

 Liophis (Lygophis) genimaculata, Boettg. ZeitscAr. f. ges. Naturw. 

 Iviii. 1885, p. 229. 



