32 
young. 
COLUBRID. 
Ventrals without keel, 184-215; anal entire; subcaudals 
53-83. Brown to black above, yellow to black inferiorly. 
Total length 1880 millim. ; 
tail 400. 
From the Southern United States to Brazil and Bolivia. 
A. Belly and lower surface of tail uniform yellow ; no black on the 
labials. (C. corais, Boie; C. flaviventris, Steind.) 
a. 2 (V. 215; C: 72). Trinidad. 
BO (V. 210; C. 71). Demerara. 
ce. 3 (V. 203; C. 79). Berbice 
d. 2 (V. 206; C. 78). Caripe, Para. 
J. P. G. Smith, Esq. 
BES 
e. d (V.178; C. 81). Para. 
Kg 2(V. 211; C. 77) & Pernambuco. J. P. G. Smith, Esq. 
yg. (V. 202; C. 77). eal 
h. 3 (V. 212; € Pp). Pernambuco. W.A.Forbes,Esq.[P. 
s. 2 (V. 202: C. 72). Bahia. Dr. O. Wucherer Hot 
k. 3 WW. 203 ; . 73). Bahia. 
l. go (V. 204; C. 76). Brazil. Zoological Society. 
m. 2 (V. 215 ; C. 76). Bolivia. M. Suarez Ad Saee 
nm. Skull. Cayenne. 
B. Lower surface of tail black ; belly with the shields often black- 
edged or entirely black towards the tail; at least the labials 
below the eye with deep black bars on the sutures ; usually an 
oblique black streak on each side of the neck. (C. melanurus, 
D. & B.; C. collaris, Steind.) 
a. Yg.(V. 184; C.61). Duval Co., Texas. W. Taylor, Esq. tod: 
b. 2 ‘(V. 190; C. 69). Presidio, near Ma- Hr. A. Forrer [C 
zatlan. F. D. Godman, Esq. 
[Pl 
Hr. A. Forrer [C.]. 
F. D. Godman, Esq. 
(Pa 
F. D. Godman, Esq. 
[P.}. 
M. Silis [C.]. 
e-d. 9 (V. 203, 200; C. Tres Marias Ids. 
Midge ok). 
2. 2 (Vv. 189; C. 60). Tampico. 
f. Her. (V. 197; C. 71). Teapa, Tabasco. 
g. Yg. (V. 198; C. 77). 
het SV. 1965 ©.77) & 
g. (V. 195; C, 76). 
. Har. (V. 199; C57 
I, Ye. (V. 209; C. 73). 
Oaxaca. 
Yucatan. 
77). Stann Creek, Brit. Rev. J. Robertson 
Honduras. [C.]. 
San Gerénimo. O. Salvin, Esq. cop 
m,n. & (V.198; C. 75) Duefias,Guatemala. O. Salvin, Esq. [C. 
& 9 (V. 198; C. 71). 
o. do (V. 198; C. 76). Lanquin, Guatemala. O. Salvin, Esq. tect 
p. 3 ep 202: C. 77). Guatemala. O. Salvin, Esq. [C 
q-r. Yg. (V. 192,203; C. Cartago, Costa Rica. 
78, 76). 
C. Nearly entirely black. (C. obsoletus, Holbr.; C. coupert, Hoibr. ; 
C. erebennus, Cope.) 
a,b. 3 (V.189; C.68) & Mexico. 
her. (V. 189; C. 73). 
c. 2 (V. 198; C. 65). 
Mr. H. Finck (C.]. 
F. D. Godman, Esq. 
Atoyac, Mexico. 
PP. 
