u. $ (V. 154; 0.47). 



V, lo-y. 5 (V. 144 ; C. 53) 



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



0. 50, 65, 53). 

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



0. ?, 62). 

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



0. 50, 49). 

 &-6. 2 (V. 149, 155, 147 ; 



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



167; 0. 44), & yg. (V. 



162; 0.43). 

 .. ? (V. 151; 0.?). 



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

 $ (V. 156, 157 ; ■ 0. 

 48, 51). 



v-^. $ (V. 150, 155; 0. 

 46, 46). 



0-0-. d" (V. 168 ; 0. 50), 

 $ (V. 149; 0. 44), & 

 yg. .(V. 152, 149; 0. 

 42, 46). 



7^. $ (V. 154; 0.44). 



V. SkuU. 



75. LIOPHIS. 



Santa Oruz, Prov. 



Matto Groaao. 

 Rio Grande do Sul. 



Brazil. 

 Paraguay. 

 Aauncion, Paraguay. 



133 



S. Moore, Eaq. [P.]. 



Dr. H. T. Ihering 



[0.]. 



G. L. Oonyngham, 



EaqJP.]. 

 Prof. Giant [P.]. 



Dr. J. Bohla [0.]. 



Dept. of Soriano, Uru- R. Havers, Esq. [0.]. 



guay. 

 Uruguay. 



Buenos Ayres. 



S. of Rio de la Plata. 



Argentina. 

 Uruguay. 



E. W. White, Esq. 



[0.]. 

 Lieut. Gairdner [P.]. 



7. LiopMs perfuscus. 



Liophis perfuscus, Cope, Proo. Ac. Philad. 1862, p. 77. 



Dromicus perfuscus, Gunth. Ann. %■ 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. 3 (V.192; 0.78), $ 

 (V. 189; 0. 75), & yg. 

 (V. 182, 194 : 0. 77, 77). 



e. 6 (V. 193; 0.80). 



Barbados. Ool. Feilden [P.]. 



? Oollege of Surgeons [P.] . 



* A young specimen, preserved in the Ohristiania Museum, is entirely blaek 

 above and beneath. 



