42 LACERTILIA. 
the bands being in other specimens composed of white spots and edged with black 
(lemniscatus). 
This species varies somewhat in the length of the tail, width of the snout, and length 
of the limbs. 
Sumichrast also found this species near Cordova (Vera Cruz) at an altitude of 2100 
feet. 
16. Gerrhonotus rhombifer. 
Gerrhonotus rhombifer, Peters, MB. Berl. Akad. 1876, p. 298 ; Bocourt, Miss. Sc. Mex., Rept. 
p. 382, t. 21 B. figg. 4. 
Hab. Panama, Veragua, Chiriqui (Peters). 
Dorsal scales. smooth, in sixteen or eighteen, ventral in ten longitudinal series. 
Nasal shield not in contact with the rostral. Eleven shields* on the upper surface of 
the snout, between the vertical and rostral, of which one pair are the supranasals (s) 
(a—a!—a' ) 
s 3s! 
6! 
o—p' ¢° 
c 
d—d! 
Only one specimen, which is young, the head and body being only 49 millim. long, is 
known. 
and which are disposed thus 2 Upper parts with brown cross bands. 
17. Gerrhonotus modestus. 
Pterogasterus modestus, Cope, Proc. Am. Phil. Soe. xvii. 1877, p. 97. 
Hab. 4 Guatemata (U.S. Nat. Mus.). 
Dorsal scales not keeled, slightly convex above, in ten, ventral in twelve longitudinal 
series. Nasal shield not in contact with the rostral. Ten shields on the upper surface 
a—a' ) 
q'! 
s—s! 
bp Colour 
of the snout, between vertical and rostral, apparently disposed thus 
c 
d—d' } 
brown above; sides reddish brown, bordered above by a blackish line. Abdomen 
olive. 
A single specimen, the body of which is 72 millim. long, is known. 
* Thus it is shown in the figure given by Bocourt, which is taken from the typical specimen, but Peters 
omits to mention the shields of the a series. 
