PLATE XXYL 
Chelonia — Trionychidce. 
Fig, 1. Ehyda vittata, Peters. Shell, viewed from the ventral aspect; from the Siwalik Hills. 
British INIuseum (No. 39618). 
,, 2. Emyda sivalensjs, Lycl. The right half of the nuchal scute, viewed from the dorsal 
aspect; from the Siwaliks of the Punjab. Indian Museum (No. E 133). 
,, 3. Emyda lineata, Lyd. Part of the left half of the nuchal scute, viewed from the dorsal 
aspect; from the Siwaliks of the Punjab. Indian hluseum (No. li. 132). 
,, 4, 4a. (.^) Emyda vittata, Peters. The right anterior marginal scute, viewed from the dorsal (4) 
and posterior (4a) aspects; from the Siwaliks of the Punjab. Indian Museum 
(No. E. 134b). 
,, 5, 5a. Emyda pal.-eindica, Lyd. The right anterior marginal scute, viewed from the dorsal 
(5) and posterior (oa) aspects ; from the Siwaliks of the Punjab. Indian IMuseum 
(No. E 134a). 
,, 6. Emyda lineata, Lyd. The left anterior marginal scute, viewed from the dorsal aspect ; 
from the Siwaliks of the Punjab. Indian Museum (No. E 210). 
,, 7. Emyda .sivalen.sis, Lyd. The posterior two-thirds of the right anterior marginal scute, 
viewed from the ventral aspect ; from the Siwaliks of the Punjab. Indian Museum 
(No. E 135). 
,, 8. Emyda granosa (Schoepf.). Nuchal scute of a half-grown recent specimen ; from Bengal. 
a, anterior, b, posterior moiety. 
,, 9. Emyda sivalensis, Lyd. The left anterior marginal scute, viewed from the dorsal aspect ; 
from the Siwaliks of the Punjab. Indian Museum (No. E 134). 
,, 10. Emyda pal.eindica, Lyd. The sculpture of the nuchal scute, from a specimen in the 
Indian iMuseum (No. E 132a), from the Siwaliks of the Punjab. 
Fig. 1 ^ nat. size ; the rest nat. size. 
