Vol. II, Pt. I] VAN DENBURGH— GALAPAGOS TORTOISES 3-1 



Testudo wallacei Rothschild 



Jervis Island Tortoise 



Plates 111 and 112. 



Testudo wallacei Rothschild. Novit. Zool., IX. 1902, p. 619; Heller, 

 Proc. Washington Acad. Sci., V, 1903, p. 54; Siebenrock, Zoo'l. Tahrb., 

 Suppl. X, 3, 1909, p. 533. - j . 



Type specimen. — In the Rothschild Museum at Tring. Eng- 

 land. Carapace, probably of adult male. Straight length 

 32.25 inches. Purchased from the Bullock collection. Origin 

 unknown. 



Distribution. — Jervis Island, Galapagos Archipelago. 



Material. — Our collection includes the skin of one adult male 

 and some fragments of bone from another specimen. 



Diagnosis. — No nuchal; gulars paired; fourth cervical ver- 

 tebra biconvex ; front of carapace moderately high in males, 

 but considerably lower than middle height; height at nuchal 

 notch less than 45% (37%) of straight length; difference 

 between percentages of heights at third vertebral and at nuchal 

 notch more than 13 (17); carapace not saddle-shaped, not 

 narrow anteriorly, width at margin of junction of second and 

 third marginals not less than 44% (54%) ; first marginals not 

 greatly enlarged, not everted, their ventral surfaces not verti- 

 cal; length over curve 134%, greater than width over curve 

 (129%); vertical distance from lower surface of plastron to 

 lower edge of lateral marginals great, 8% ; general size large, 

 straight length 36.2 inches ; plastron moderately long, median 

 length 81% ; pectorals forming a suture on median line; eighth 

 marginal plate not reduced, with well-developed superior bor- 

 der; lower jaw and throat not marked with yellow. 



September 30, 1914. 



