154, oxyRHOPUS. 103 
D. Above barred black and red, the red bars, which may be dotted 
with black, as broad as or a little narrower than the black, and 
30 to 40 in number; the black bars usually forming complete 
annuli on the tail. 
a. 2 (V. 207; C. 80). Mexico. Mr. Hugo Finck [C.}, 
b. 9 (V. 204; C.85).  Atoyac, Guerrero. Mr. H.H. Smith [C.]; 
F.D.Godman, Esq. 
c. Hgr. (V. 193; C. 78). Vera Paz (low forest). of Silvia, Esq. [C.]. 
d-e. Hgr. (V. 204, 197; Chontalez, Nicaragua. . 
©. 105, 95). 
SF. 2 (V. 210; C. 80). Chontalez, Nicaragua. R.A. Rix, Esq.'[C.];_ - 
W. M. Crowfoot, 
Esq. [ P.]. 
g. Yg. (V. 206; 0.97). Matagalpa, Nicaragua. Dr. Rothschuh [C.}. 
h,t. d (V. 205; C.88) & Hacienda Rosa de Dr. Rothschuh [C.|. 
her. (V. 198; C. 92). Jericho, Nicaragua, 
3250 ft. 
k-l. Her. (V. 205, 194; Costa Rica. 
C. 88, 103). 
m. Her. (V. 213; C.109). W. Ecuador. Mr. Fraser [C.]. 
n. Yg..(V. 210; 0.93). Quito. 
2. Oxyrhopus rhombifer. 
Lycodon formosus, part., Schleg. Phys. Serp. ii. p. 113 (1837). 
Oxyrhopus rhombifer, Dum. § Bibr. vii. p. 1018 (1854) ; Jan, Icon. 
gin 35, pl. v. fig. 2 (1870); Berg, a Ac, Cordoba, v. 1884, 
z subpunctatus, Dum. § Bubr. t. c. p. 1016. 
—— dorbignyi, Dum. § Bibr. t. c. p. 1024. 
—— petolarius, part., Giinth. Cat. p. 190 (1858) ; Jan, Elenco, p. 94 
1863). 
P Coronel bachmanni, Weyenb. Period. Zool. Cordoba, ii. 1876, 
p- 
Eye rather small, its diameter one half (young) to one third the 
length of the snout, which is rounded and scarcely projecting. 
Rostral much broader than deep, just visible from above; inter- 
nasals much shorter than the preefrontals ; frontal as long as broad 
or a little longer than broad, as long as its distance from the end of 
the snout, shorter than the parietals ; loreal much longer than deep ; 
one preeocular, forming a suture with the frontal; two postoculars ; 
temporals 2+3; eight upper labials, fourth and fifth entering the 
eye; four or 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 174-225; anal entire; subcaudals 
47-80 pairs. Red or pale brown above, the scales tipped with 
black, with black cross-bands or rhomboidal transverse spots; upper 
surface of head, as far as the posterior third or fourth of the parietal 
shields, black; yellow beneath, uniform or dotted with black. 
Total length 900 millim. ; tail 160. 
Southern Brazil, Paraguay, Uruguay, Argentina, Bolivia. 
a-b. b (V.205; 0. 68) & Brazil. Mr. Clausen [C.]. 
~ Q (V. 216; ©. 57). 
