110 COIUBKID^. 



m, n. $ (V. 231 ; C. ?) BaHa. Dr. O. Wucherer [0.]. 



&yg.(V.218;C.92). 



0. cj (V. 213 ; 0. 85). Sta. Catharina. Dr. F. Werner [E.]. 



p. Yg. (V. 204 ; 0. 64). Kio Grande do Sul. Dr. H. v. Ihering [C.]. 



q, r. Skulls. Brazil. 



B. Scales in 17 rows. 



c-J. Yg. (V. 206, 201 ; City of Mexico. Mr. Doorman [0.]. 



0. 83, 81). 

 c-e. c? (V. 198; 0.75) W.Ecuador. Mr. Eraser [0.]. 



& $ (V. 215, 219 ; 



0. ?, ?). 

 /. $ (V. 232 ; 0. ?). Demeraia. Capt. SaWne [P.]. 



ff. S (V. 235 ; C. 72). Dominica. G. A. Ramage, Esq. 



[0.]. 

 h. c? (V. 222; C. 82). St. Lucia. G. A. Eamage, Esq. 



[0.]. 



12. Oxyrhopus macnlatus. (Plate VI. fig. 2.) 



Snout broad, not prominent ; eye small. Eostral broader than 

 deep, the portion visible from above measuring one third its distance 

 from the frontal ; internasals shorter than the praefrontals ; frontal 

 as long as broad, as long as its distance from the rostral, two thirds 

 the length of the parietals ; loreal a little longer than deep ; one 

 preeocular, not reaching the upper surface of the head ; two post- 

 oculars ; temporals 2 + 3 : seven upper labials, third and fourth 

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

 chin-shields, which are as long as the posterior. Scales in 19 rows. 

 Ventrals 214; anal entire; subcaudals 51 pairs. Dark brown 

 above and below, with scattered, irregular, yellowish- white spots. 



Total length 1400 millim. ; tail 180. 



Uruguay. 



a. $ (V. 214 ; 0. 51). Uruguay. 



13. Oxyrhopus occipitoluteus. 



Brachyruton occipitoluteum, Bum. Sr JBibr. vii. p. 1009 (1854); 

 Quicken, in Casteln. Anim. nouv. Am4r. Sud, Rept. p. 62, pi. xi. 

 (1855) ; Jan, Icon. Gin. 35, pi. i. fig. 2 (1870) ; Boettg. Zeitschr. 

 f. Naturw. (4) iv. 1885, p. 236. 



Eye rather small ; snout rounded, scarcely projecting. Eostral 

 as deep as broad, the portion visible from above measuring about 

 half its distance from th'e frontal ; internasals much shorter than 

 the prsefrontals ; frontal slightly longer than broad, as long as or a 

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

 than the parietals ; loreal a little longer than deep ; one prseocular, 

 just reaching the upper surface of the head but widely separated 

 from the frontal; two postoculars ; temporals 2+3; seven upper 

 labials, third and fourth entering the eye ; four or five lower labials 

 in contact with the anterior chin-shields, which are as long as or a 



