81. RHADIN®A, EFE 
Rhadinza genimaculata, Bouleng. Ann. § Mag. N. ZH. (6) xiii. 1894, 
p. 347. 
Eye moderate. Rostral slightly broader than deep, scarcely 
visible from above ; internasals broader than long, as long as the 
preefrontals ; frontal twice as long as broad, not much wider than the 
supraocular, much longer than its distance from the end of the snout, 
a little shorter than the parietals ; loreal as long as deep ; one prie- 
and two postoculars; temporals 1+2; eight upper labials, fourth 
and fifth entering the eye; five lower labials in contact with the 
anterior chin-shields, which are a little longer than the posterior. 
Scales in 17 rows. Ventrals 191-208; anal divided; subcaudals 
51-66. Pale grey-brown above, with three dark brown light-edged 
longitudinal streaks; the vertebral streak widest, hardly two scales 
wide, and commencing on the occiput; the lateral streaks widening 
abruptly at the angle of the mouth and extending, through the eye, 
to the end of the snout; upper lip and lower surface uniform white; 
a pink stripe along the middle of the belly and under the tail. 
Total length 390 millim. ; tail 75. 
Paraguay. 
fs 3 (VW: 191 3°C. 55) Paraguay. Hr. H. Rohde [C.]. 
(One of the types.) 
b. 2 (V. 199; C. 5d). Asuncion. Dr. J. Bohls [C.]. 
13. Rhadinza obtusa. 
Rhadinza obtusa, Cope, Proc. Ac. Philad. 1865, p. 101. 
Enicognathus, sp., &. Miill. Verh. nat. Ges. Basel, vii. 1882, p. 144. 
Coronella obtusa, Bouleng. Ann. § Mag. N. H. (5) xv. 1885, p. 194. 
Eye rather small. Rostral a little broader than deep, scarcely 
visible from above; internasals broader than long, as long as the 
prefrontals; frontal once and a half as long as broad, twice as 
broad as the supraocular, longer than its distance from the end of 
the snout and a little shorter than the parictals; loreal square ; one 
pre- and two postoculars; temporals 142; 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 19 rows. Ventrals 174-192; anal 
divided ; subeaudals 65-79. Pale brown above, with a dark brown 
vertebral streak, occupying one scale and two halves, commencing on 
the snout; a dark brown lateral streak, extending round the snout 
and passing through the eye; sides and outer ends of ventrals 
dark olive-grey ; upper lip and lower surface yellowish, unspotted. 
Total length 380 millim. ; tail 95. 
Southern Brazil, Uruguay, Argentina. 
Gr OV. 487 3° C. 9): Rio Grande do Sul. Dr. H. v. Ihering [C.}. 
Ga Sc0Val8d 3: C74); Dept. of Soriano, R. Havers, Esq. [P.]. 
Uruguay. 
Go (V. 174; Cz 65). Colonia Resistencia, Prof. Spegazzini [C.]; 
C, Chaco. Marquis G. Doria| P.]. 
