t)N' TIIK STATt'S OK CHhU.oMA MKI'KKSSA F\i\. 175 



mark distiiu'tly the [)<).sitinn of an underlying phalanx. Under- 

 sui'faces like the uf)[)er but lacking tlie posterior row of horny 

 plates, the wrinkled skin extending to tliat margin. There are 

 sometimes indications of two claws but generally only one is 

 distinct. 



Fif< 46.— a, Chelonia iiiydas, Linn. Dorsal view of right flipper. A, Chelouia 

 depressa, Garm. Dorsal view of right Hipper of specimen No. 7. 



Hiiid-linibs : — The hind-limbs resemble the anterior pair in 

 being covered by wrinkled skin instead of horny scales as in 

 C'. myclas. There are only one or two plates indicating the 

 underlying digits. A single, well developed claw is present. 



The limbs are markedly weaker than in 0. my das, and, in 

 correlation with the other soft parts, are covered by a finely 

 wrinkled integument which is not beset with juxtaposed horny 

 scutes as in that species (figs. 46a and b). 



Colour : — The scutes of the upper surfaces of the young 

 specimens are uniform brown, in one case showing distinct 

 tortoise-shell markings in concentric rings ; the areolae are of a 

 somewhat lighter brown, and when frayed or worn, peel ol¥ in 

 mica-like flakes. The flippers have light yellowish borders 

 and a dark grey or blackish patch on the distal half. The 

 oldest specimen is drab-grey above, with greenish-olive flippers. 

 Head shields sometimes bordered with yellowish. Lower 

 temporal plates and under surfaces uniform light yellowish- 

 olive. 



