PLATE XIX. 
Chelonia — Testudmidce. 
Figs. 1, la. Genus 7 ion. det. Species 4. The anterior extremity of the plastron, viewed from the 
dorsal (3) and ventral (3a) aspects; from the Siwaliks of the Punjab. Indian Museum 
(No. E 80). ^ nat. size. 
,, 2. CoLOSSOCHELYS ATLAS, Falc. and Caut. Proximal half of the right humerus, with the 
distal half restored, viewed from the preaxial aspect ; from the Siwalik Hilts. 
British Museum (No. 16518). ^ nat. size. 
,, 3, 3a, {?) CoLossocHELYS ATLAS, Falc. and Caut. The cranium (? of a female), viewed from the 
3b. parietal (3), right lateral (3a), and palatal (3b) aspects ; from the Siwalik Hills. 
British Museum (No. 39819). ^ nat. size. 
,, 4. Genus 71071. det. Species 4. Part of the nuchal scute, viewed from the dorsal a.spect ; 
from the Siwaliks of the Punjab. Indian Museum (No. E 81). \ nat. size. 
a, ulnar tuberosity ; b, radial tuberosity ; c, position of ectepicondylar (radial) groove ; g, gular plate ; 
pg, postgular plate. 
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