164. PHItOBEIAS. 131 



Callirhinus patagoniensis, Oirard, Proc. Ac. Philad. 1857, p. 182, 



and U.S. Exphr. Krped., Herp. p. 139, pi. xii. figs. 1-6 (1858). 

 Philodryas schottii, Cfunth. Cut. p. 125 (1858) ; Hensel, Areh.f. Nat. 



1868, p. 382; Boettg. Zeitschr. f. Natuno. Iviii. 1885, p. 235; 



Bouleng. Ann. Sf Mag. N. H. (5) xviii. 1886, p. 434. 

 Euoptrya modestus, Cfunth. I. e. p. 139, and Ann. ^ Mag. If. Jff. (4) 



ix. 1872, p. 29. 

 Pseudophis sckottii. Cope, Proc. Ac. Philad. 1862, p. 348. 



patagoniensis. Cope, I. c. 



Liopnis pcBcilostictus, Jan, Arch. Zool. Anat. Phys. ii. 1863, p. 189, 



and Icon. G&n. 13, pi. vi. fig. 2 (1865). 

 Dirrhox patagoniensis. Cope, Proc. Amer. Philos. Soc, xxiv. 1887, 



p. 58. 



Eye about two thirds length, of snout. Eostral nearly as deep as 

 "broad, -well visible from above ; internasals shorter than the prse- 

 frontals ; frontal once and two thirds to twice as long as broad, as 

 long as its distance from the end of the snout, as long as the 

 parietals ; loreal as long as deep or deeper than long, rarely a little 

 longer than deep ; one prseoeular, extending to the upper surface of 

 the head but rarely reaching the frontal; two postoculars ; tem- 

 porals 1 + 1, 1+2, or 2+2; seven or eight upper labials, third 

 and fourth or fourth and fifbh entering the eye ; four lower labials 

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

 little longer than the posterior. Scales smooth, with single apical 

 pits, in 19 rows. Yentrals rounded, 157-199 ; anal divided ; 

 enbcaudals 74-119. Yellowish or pale olive above, the scales 

 usually edged with darker or lighter, with or without small black 

 spots ; two rather indistinct light lines may run along the back ; 

 sutures between the head-shields usually blackish ; yellow or white 

 beneath, with the shields black-edged on the sides. 



Total length 1550 millim. ; tail 350. 



Brazil, Paraguay, Uruguay, Argentina, Northern Patagonia. 



a. tj (V. 170 ; 0. ?). Pernambuco. J. P. G. Smith, Esq. 



[P.]. 



b. Yg. (V. 164 ; 0. 108). Bahia. - Dr. O. Wueherer 



c. c? (V. 181; 0. 119). Porto Real, Prov. Rio M. Hardy du Dr^neuf 



Janeiro. [0.]. 



<?. Yg.(V. 193; 0.101). S. Jos6 dos Campos, Mr. A. Thomson [P.]. 



Prov. S. Paulo. 

 ^-g, h^i. tj (V. 191, 188 ; S. Lorenzo, Rio Grande Dr. v. Ihering [0.]. 



C.96,?),hgr.(V. 190; do Sul. 



0. 96), & yg. (V. 199, 



179 ; C. 101, ?). 

 k. Hgr. (V. 177; C. 108). Rio Grande do Sul. 

 I. ? (V. 185 ; 0. 95). Asuncion, Paraguay, Dr. Bohls [C.]. 

 m. c? (V. 157 ; 0. 80). Paraguay. Prof. Grant [P.]. 



n-p, q-r. cj (V. 165, 168 ; Soriano, Uruguay. R. Havers, Esq. [P.]. 



C.101,80),S(V.178; 



C. 94), & vg. (V. 174, 



169; 0.88,75). 

 i. $ (V. 173; 0. 74). Uruguay. 



t. e (V. 180 ; C. 83). Buenos Ayres. G. Wilkes, Esq. [P.]. 



k2 



