which are as long as or a little longer than the posterior. , 
Ventrals 141-164; anal divided; subcaudals 47-58. 
17 rows. 
81. RHADIN@A. 
169 
Seales in 
Length of tail 5 to 54 times in the total length. Yellowish or pale 
olive-brown above, each scale edged with black ; lower parts uniform 
yellow, the shields edged with black at the sides. 
light nuchal collar. 
Total length 500 millim. ; tail 95. 
Young with a 
Brazil. 
a-d, e-f. 3 (V. 144, 141, Brazil. 
150, 143; ©. 58, 2, 
49, 51), 2 (V. 146; 
C. 49), & her. (V. 148; 
C. 50). 
g. Yg. (V. 143; C. 50). Brazil. Lord Stuart [P.]. 
fie OV IAS Cue)). Tijuca, near Rio W. Schaus, Esq. [P.]. 
Janeiro. 
ameve. €V. 160; €. 56). Colonia Alpina, Dr. E. A. Géldi [P.]. 
Theresopolis, 
Proy. Rio Janeiro. 
S. José dos Campos, 
Prov. 8. Paulo. 
—? 
kl. QO (V. Mr. A. Thomson [P.]. 
C. 47, 56). 
m. 9 (V. 145; C. 52). 
152, 164; 
Sir J. Richardson [P.]. 
(Type of C. australis.) 
a. Skull. Brazil. 
10. Rhadinza fusea. 
Liophis merremii, Burm, Reise La Plata, i. p. 528 (1861). 
? Opheomorphus merremii, var. semiaureus, Cope, Proc, Ac. Philad. 
1862, p. 348. 
Liophis merremii, part., Jan, Arch. Zool. Anat. Phys. ii. 1865, p. 291, 
and Icon. Gén. 17, pl. v. (1866); Hensel, Arch. f. Nat. 1868, 
. 324, 
Uancnnr pitts fuscus, Cope, Proc. Am. Philos. Soc. xxii. 1885, 
p. 190; Boweng. Ann. § Mag. N. H. (5) xvi. 1885, p. 297. 
Liophis fuscus, Bouleng. Ann. § Mag. N. H. (5) xviii. 1886, p. 451. 
Rhadinwa 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 prefrontals; 
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 preocular, some- 
times with a small subocular below it; two postoculars; temporals 
1+42; 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. 
Ventrals 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 
