156 TESTUDINID&. 
base of the first claw to the base of the third in the fore limb ; fore 
limb anteriorly with unequal-sized, juxtaposed, or subimbricate 
scales ; an enlarged scale on the inner side near the elbow and a 
series of large scales along the outer edge of the forearm; a patch 
of enlarged scales on the hinder side of the thigh. Dark brown or 
blackish ; plastron brownish yellow, with irregular dark brown or 
black blotches. ~ 
Length of shell 24 centim. 
South-eastern United States, from Southern South Carolina to the 
Rio Grande del Norte. 
a. Yg., spir. E. Florida. Smithsonian Institution. 
6, ¢. 6 &, stfid. Florida. 
d. 9, stffd. N. America, Dr. R. Harlan. 
é. 6, stfid. N. America. Hi. Doubleday, Esq. [ P. ]. 
f. d, stfid. N. America. 
g. 2, skel. N. America. 
h. 3, shell & skull. N. America. 
2 9, stfid. Mexico (?). 
k. Q, skel. Mexico (?). 
2. Testudo agassizii. 
Xerobates agassizii, Cooper, Proc. Calif. Acad. ii. p. 125 (1863) ; 
True, Proc. U. S. Nat. Mus, iv. p. 487 (1881). 
Closely allied to the preceding, and differing in the following 
points :—Margin of shell reverted and serrated anteriorly and pos- 
teriorly, and notched anteriorly; the front lobe of the plastron 
nearly level with the rest of the shield. Head narrower. Fore 
limb narrower; the distance from the base of the first claw to the 
base of the fourth is equal in both fore and hind foot; no enlarged 
scale on the inner side of the forearm. 
Southern California and Arizona. 
a. Her., dry. —? Smithsonian Institution. 
3. Testudo berlandieri. 
Xerobates berlandieri, Agassiz, Contr. N. H. U.S. i. p. 447, pl. iii. 
figs. 17-19 (1857); True, Proc. U.S. Nat. Mus. iv. p. 441 (1881). 
Differs from the two preceding species in the following points :— 
Length of the shell considerably less than the depth. Head elon- 
gate; snout narrow and pointed; beak hooked. Fore limbs broadest 
at the knees. Carapace yellowish brown, the areolar surface yellow ; 
plastron light dirty yellow; head and legs yellowish grey; jaws 
yellowish. 
North-eastern Mexico and Texas. 
Testudo schweiggeri. (Pxiarss II. & III.) 
Testudo schweiggeri, Gray, Syn. Rept. p. 10 (1881); Dum. § Bibr. 
u. p. 108 (1835). 
