75. Liopnis. 



133 



u. 2 (V. 154; C. 47). 



t', w-y. $ (V. 144;C. 53) 



& yg. (V. 144, 150, 148; 



C."50, 55, 53). 

 z-a. Hgr. (V. 172, 173; 



C. ?, 62). 

 /3-y. Hgr. (V. 155, 154 ; 



0. 50, 49). 

 8-0. 2 (V. 149, 155, 147 ; 



C. 45, 43, 43), hgr. (V. 



157 ; C. 44), & yg. (V. 



152 ; C. 43). 

 (. 5 (V. 151; G.?). 



K-n. (? (V.155; C.52)& 

 2 (V. 156, 157 ; C. 

 48, 51). 



v-$. 2 (V. 150, 155; C. 

 46, 46). 



o-o-. d (V. 158 ; C. 50), 

 2 (V. 149; C. 44), & 

 yg. (V. 152, 149; C. 

 42, 46). 



r. 2 (V. 154 ; C. 44). 



V. Skull. 



Santa Cruz, Prov. 



Malto Grosso. 

 l\io Grande do Sul. 



Brazil. 

 Paraguay. 

 Asuncion, Paraguay. 



S. Moore, Esq. [P.]. 



Dr. H. V. Ihering 



[C.]. 



G. L. Convngham, 



Esq. [P.]. ' 

 Prof. Grant [P.]. 



Dr. J. Bohls [C.]. 



Dept. of Soriano, Uru- R. Havers, Esq. [C.]. 



guay. 

 Uruguay. 



Buenos Ayres. 



S. of Rio de la Plata. 



Argentina. 

 Uruguay. 



LiopMs perfuscTis. 



E. W. White, Esq. 



[C.]. 

 Lieut. Gairdner [P.]. 



Liophis perfuscus. Cope, Proc. Ac. Phi/ad. 1862, p. 77. 



Dromicus perfuscus, Gunth. Ann. Sf Mag.N. H. (3) xii. 1863, p. 349. 



Eye moderate ; snout short. Rostral broader than deep, visible 

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

 shorter than the prefrontals ; frontal about once and a half as long 

 as broad, as long as or a little longer than its distance from the end 

 of the snout, shorter than the parietals ; loreal deeper than long ; 

 one prse- and two postoculars ; temporals 1 + 1 or 1 + 2 ; eight or 

 nine upper labials, fourth and fifth or fifth and sixth entering the 

 eye ; five lower labials in contact with the anterior chin-shields, 

 which are as long as or longer than the posterior. Scales in 

 19 rows. Ventrals obtusely angulate laterally, 182-194 ; anal 

 divided ; subcaudals 75-80. Length of tail 4| to 5 times in the 

 total length. Brown above, vertebral region darker ; lower parts 

 greyish or yellowish brown *. 



Total length 1000 millim. ; tail 200. 



Barbados. 



a-d. S (V. 192 ; C. 78), 2 

 (V. 189; G. 75), & vg. 

 (V. 182, 194 : C. 77, 77). 



e. <S (V. 193; C. 80). 



Barbados. Col. Feilden [P.]. 



? College of Surgeons [P.]. 



* A young specimen, preserved in the CLiristiania Museum, is entirely black 

 above and beneath. 



