100. rrermia. 271 
Synopsis of the Species. 
Rostral shield forming a suture with the 
BRONGRES yao ote ee ae atste ate cyeterane. 2 1. olivacea, p. 271. 
Rostral shield separated from the frontal ; 
seven well-developed upper labials .. 2. cana, p. 272. 
Rostral shield separated from the frontal ; [p. 272. 
seventh upper labial very small .... 3. quadrangularis, 
1. Ficimia olivacea, 
Ficimia olivacea, Gray, Cat. p. 80 (1849) ; Steind. Sitzd. Ak. Wien, 
Ixii. i. 1870, p. 344, pl. vi.; Bocourt, Miss. Sc. Mex., Rept. p. 570, 
pl. xxxv. fig. 11 (1883) ; Giinth. Biol. C-Am., Rept. p. 98, pl. xxxv. 
figs. B & C (1893). 
Amblymetopon variegatum, Giinth. Cat. p. 7 (1858). 
Ficimia elaiocroma, Jan, Arch. Zool. Anat. Phys. ii. 1862, p. 58. 
publia, Cope, Proc. Ac. Philad. 1866, p. 126, and Am. Nat. 
1884, p. 163; Giinth. Biol. C.-Am., Rept. p. 98. 
variegata, Cope, /. c. 
olivacea, part., Peters, Mon. Berl. Ac, 1869, p. 875. 
ornata, Bocourt, l. ¢. p. 571, pl. xxxv. fig. 10. 
Snout short, concave above, and strongly turned up at the end. 
Rostral forming a broad suture with the frontal, separating the 
prefrontals ; internasals small or absent ; frontal as broad as long, 
as long as its distance from the end of the snout, nearly as long as 
the parietals ; supraocular about one third the width of the frontal ; 
one pre- and two postoculars; temporals 1+1 or 1+2; seven 
upper labials, second in contact with the prefrontal, third and fourth 
entering the eye; three lower labials in contact with the anterior 
chin-shields ; posterior chin-shields very small, scale-like. Scales 
in 17 rows. Ventrals 138-160; anal divided; subcaudals 34-42. 
Total length 390 millim. ; tail 65, 
Mexico. 
A. Uniform dark brown above, white below. (J. olivacea, Gray.) 
a-b. & (V. 152, 150; Mexico. Mr. Hugo Finck [C. ]. 
C. 42, 41). (‘Types.) 
In one of the specimens the internasals are fused with the pre- 
frontals, whilst in the other the internasal is distinct on one side. 
B. Yellowish or pale brown above, with dark brown transverse 
spots or cross bars; sides with dark brown spots; head with 
symmetrical dark markings ; lower parts uniform white. 
a. Internasals distinct. (fF. publia, Cope.) 
a. Ye. (V. 140; C. 36). Cuernavaca. M. Boucard [C.]. 
b. Yg. (V. 142; C. 36). Yucatan. 
