81. RHAD1N.XA. I 1 ''- 1 



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

 17 m\\s. Yrntrals 141-KJ4 ; anal divided; subcaudals 47-58. 

 h of tail 5 to 54 times in the total length. Yellowish or pale 

 olive-brown above, each scale edged with black ; lower parts uniform 

 y.-llow, the shields edged with black at the sides. Young with a 

 light nuchal collar. 



Total length 500 millim. ; tail 95. 



Brazil. 



_,/, f-f. $ (V. 144, 141, Brazil. 

 1.10, 143; C. 53, ?, 

 49, 51), ? (V. 146; 

 C. 49),&hgr. (V. 148; 

 C. 50). 



<i. Y-r. (V. 143 ; C. 50). Brazil. Lord Stuart [P.]. 



h. $ (V. 148 ; C. ?). Tiiuca, near Rio W. Schaus, Esq. [P.]. 



Janeiro. 



i. Yg. (V. 160; C. 56). Colonia Alpina, Dr. E. A. Goldi [P.]. 



Theresopolis, 

 Prov. Rio Janeiro. 



k-l. $ (V. 152, 164; S. Jose"dos Campos, Mr. A. Thomson [P.]. 

 C. 47, 56). Prov. S. Paulo. 



IB. $ (V. 145 ; C. 62). V Sir J. Richardson [P.]. 



(Type of C. australis.) 

 n. Skull. Brazil. 



10. Rhadinaea fuse a. 



Liophis merremii, Bnrm. Eeise La Plata, i. p. 528 (1861). 



? Opheomorphus merremii, var. semiaureus, Cope, Proc. Ac. Philad. 



1862, p. 348. 

 Liophis meiremii, part., Jan, Arch. Zool. Anat. PJiys. ii. 18C3, p. 291, 



and Icon. Gen. 17, pi. v. (1866) ; Heiutel, Arch. f. Xat. 1868, 



p. 324. 

 Opneomorphus fuscus, Cope, Proc. Am. Philos. Soc. xxii. 1885, 



p. 190 ; Boiileng. Ann. < Mag. N. H. (5) xvi. 1885, p. 297. 

 Liophis fuscus, Houleng. Ann. fy Mag. JV. H. (5) xviii. 1886, p. 431. 

 Rliadina-a fusca, Bouleng. Ann. $ Mag. N. H. (6) xiii. 1894, 



p. 346. 



Eye rather small. Rostral broader than deep, visible from 

 above ; internasals broader than long, shorter than the pracfrontals; 

 frontal once and two thirds to twice as long as broad, longer than 

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

 than the parietals ; loreal deeper than long; one pncocular, some- 

 times with a small subocular below it ; two post oculars ; temporals 

 l-f-2; eight upper labials, fourth and fifth entering the eye; five 

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

 long as or a little longer than the posterior. Scales in 17 rows. 

 Yrntrals 165-183; anal divided; subcaudals 51-60. Length of 

 tail 5 to 6 times in the total length. Yellowish or olive-brown 

 above, each scale edged with darker ; ventrals and subcaudals 

 yellow, black-edged. Young with a A-shaped black band on the 

 occiput, another on the nape, and a series of large black spots along 

 each side, which unite into a stripe on the posterior part of the 



