142 n.I.l !:l;in.i:. 



13. Liophis melanostigma. 



Natrix melanostigma, Way I. in ^ptr, Serp. Bras. p. 17, pi. iv. fig. 2 



(18- 1 1. 



Dromicus pleii (non D, Sf J?.), Giinth. Cat. p. 128 (1858). 

 melanostigma, Jan, Icon. Gn. 24, pi. v. fig. 3 (1807) ; Boideng. 



Ann. $ Mag. N. H. (5) xviii. 1880, p. 433. 

 Liophis reginae, part., Steind. Sitzh. Ak. Wien, \v. 1807, p. 268. 

 Aporophis cyanopleurus, Cope, Proc. Am. Philos. Soc. xxii. 1885, 



p. 191. 



Eye large ; snout moderate. Itostral broader than deep, just 

 visible from above ; internasals a little broader than long, shorter 

 than the praefrontals ; frontal about once and two thirds as long as 

 broad, as long as its distance from the end of the snout or a little 

 longer, as long as the parietals ; loreal a little deeper than long ; 

 one prae- and two postoculars; temporals 1+2; eight (rarely nine) 

 upper labials, third, fourth, and fifth (or fourth, fifth, and sixth) 

 entering the eye; four or five lower labials in contact with the 

 anterior chin-shields, which are much shorter than the postenur. 

 Scales in 17 rows. Ventrals 150-100; anal divided; subcaudals 

 90-107. Tail about one third of the total length. Olive above ; 

 nape with two more or less distinct yellowish longitudinal bands ; 

 a lateral series of light and black dots on the fourth row of scales ; 

 sides and ends of ventrals plumbeous grey ; upper lip yellowish, 

 edged with black above ; ventrals yellowish, edged with grey or 

 black, and with a black dot or short streak on each side. 



Total length 770 millim. ; tail 250. 



Brazil. 



a. c? (V. 100; C. 107). Rio Janeiro. A. Fry, Esq. [P.]. 



b. rf (V. 163; C. 100). Rio Janeiro. Dr. Cunningham [P.]. 



c. 2 (V. 152 ; C. 98). Rio Grande do Sul. Dr. H. v. Ihering [C.]. 



19. Liophis callilaemus. (PLATE VI. fig. 3.) 



Natrix callileema, Gosse, Nat. Soj. Jamaica, p. 384 (1851). 

 Dromicus callilsema, Giinth. Cat. p. 131 (1858), and Ann. Sf Mag. 



N. H. (3) xii. 1803, p. 367. 

 ? Alsophis funereus, Cope, Proc. Ac. Philad. 1802, p. 77. 



Eye moderate ; snout slightly prominent. Rostral broader than 

 .deep, scarcely visible from above ; internasals as long as broad or a 

 little broader, shorter than the praefrontals ; frontal a little longer 

 than broad, nearly twice as broad as the supraocular, as long as its 

 distance from the end of the snout, shorter than the parietals ; 

 loreal small, square ; one prae- and two postooulars ; temporals 1 4- 2 ; 

 seven upper labials, third and fourth enterin ; the eye ; four lower 

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

 or a little shorter than the posterior. Scales in 19 rows. Veutrals 

 130-134; anal divided; subcaudals 70-110. Length of tail 2| 

 to 34 times in the total length. Brown above, with darker dots ; 





