20. TESTUDO. 171 
between the gulars, the pectorals, and the anals very short ; axillary 
rather small, inguinal much larger. Head moderate, with flat 
forehead ; preefrontal and frontal shields small; heak feebly hooked, 
bicuspid ; edge of jaws feebly denticulated ; alveolar surface of 
upper jaw with a strong median ridge, which is nearly equidistant 
from the outer and the inner border. Neck long. Limbs with 
unequal-sized, roundish, juxtaposed scales, one on the inner side of 
the fore limb near the elbow being much enlarged. Uniform 
black. 
Length of shell 84 centim. 
Galapagos Islands (North Albemarle). 
a. 9, stffd.,skull sepa- Galapagos. (Type.) 
rate. 
OCHA. Stites, Tagus Cove, N. Albe- Commander Cookson 
skulls separate. marle. ale 
e. S, skel. Tagus Cove, N. Albe- Commander Cookson 
matle. [C.]. 
27. Testudo ephippium. 
Testudo ephippium, Giinth. Phil. Trans. elxy. p. 271 (1875), and 
Gig. Land-Tort, p. 81, pls. xxxix. & xlii—xliv. (1877). 
Intermediate between the preceding and the following. Cara- 
pace as in the former. Bridge narrower, its width contained about 
twice and a half in the length of the carapace. Median ridge of 
upper Jaw much nearer the inner than the outer edge. 
Galapagos Islands (Charles Island). 
a. Yg., stffd. —? 
28. Testudo abingdoni1. 
Testudo abingdonil, Giinth. Gig. Land-Tort. p. 85, pls. xl., xli., xlv., 
& xlviii—l. (1877). 
Shell (of male) extremely thin and light, with the surface deeply 
pitted and grooved from the deficiency of osseous substance, much 
narrowed and compressed anteriorly, with ascending upper profile ; 
otherwise as in the preceding. Plastron small; width of bridge 
about one third the length of the carapace ; axillary and inguinal 
small. Head very small, neck very long; snout very short; fore- 
head flat; beak feebly hooked, bicuspid; median alveolar ridge of 
upper jaw much nearer the inner than the outer border. Scales on 
limbs small. Black; horny sheath of jaws whitish. 
Length of shell 97 centim. 
Galapagos Islands (Abingdon Island). 
a,b,c. $, stfid., skulls Abingdon Id. Commander Cookson { C.1. 
separate. (Types.) 
