20. TESTFDO. 171 



botwcon the gulars, the pectorals, and the anals very short ; axillary 

 rather small, inguinal much larger. Head moderate, with Hat 

 forehead ; prtcfrontal and frontal shields small ; })eak feebly hooked, 

 bicuspid ; edge of jaws feebly denticulated ; alveolar surface of 

 xqjper jaw with a strong median ridge, which is nearly equidistant 

 from the outer and the inner border. Neck long. Limbs with 

 uneijual-sized, roundish, juxtaposed scales, one on the inner side of 

 tbe fore limb near the elbow being much enlarged. Uniform 

 black. 



Length of shell 84 centim. 



Galapagos Lslands (North Albemarle). 



a. 5, stffd.jskull sepa- Galapagos. (Type.) 



rate. 



b,c,d. (^JjStffd., Tagus Cove, N. Albe- Commander Cookson 



skulls separate. marie. [C.J. 



e. (^j skel. Tagus Cove, N. Albe- Commander Cookson 



marie. [C.]. 



27. Testiido epMppium. 



Testudo ephippium, (lilnth. 17iiL Trans, clxv. p. 271 (187o), ami 

 Gig. Land-Turt. p. 8], pis. xxxix. & xlii.-xliv. (1877). 



Intermediate between the preceding and the following. Cai-a- 

 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 abingdonii. 



Testudo abingdonii, Gllnth. Gig. Land-Tort. p. 8-"), pis. 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 anteriorh', 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 (xibingdon Island). 



a, b, c. J, sltfd., skulls Abingdon Id. Commander Cookson [C.]. 



separate. (Types.) 



