150 TESTtTDINIDJE. 



base of the first claw to the base of the third in the foro limb ; fore 

 limb anteriorly with unequal-sized, juxtaposed, or subimbricato 

 scales ; an enlarged scale on the inner side near the elbow and a 

 scries of largo scales along the outer edge of the forearm ; a patch 

 of enlarged scales on tlic 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 

 llio Grande del ]^orte. 



a. Yg., spir. E. Florida. Smithsonian Institution. 



b,c. S 2, stflfd. Florida. 



(Z. $,stffd. N. America. Dr. Ft. Harlan. 



c. S , stffil. N. America. E. Doubleday, Esq. [P.]. 



/. c?,stffd. JST. America. 



(/. $ , skel. N. America, 



/t. c?, shell & skull. N.America. 



i. $ , stffd. Mexico (?). 



k. $ , skel. Mexico (?). 



2. Testudo agassizii. 



Xerobates agassizii, Cooper, Proc. Calif. Acad. ii. p. 125 (1863) ; 

 True, Proc. U. S. Nat. Mus. iv. p. 437 (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. Hgr., dry. ? Smithsonian Institution. 



3. Testudo herlandieri. 



Xerobates herlandieri, Agassiz, Contr. N. H. U. S. i. p. 447, pi. 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. (Flaxes II. & III.) 



Testudo schweiggeri, Graj/, Sijn. liept. p. 10 (1831) ; Darn. Sf Bihr. 

 ii. p. 108 (1835). 



