PLATE XX. 
Chelonia — Emydidce. 
Figs. 1, la, lb. Clemmys sivalensis (Theobald). Greater part of shell ; from the Siwaliks of the 
Punjab. Indian Museum (No. E 88). 1 from the dorsal, la from the right lateral 
aspect : lb anterior extremity of plastron. 
,, 2, 2a, 2b. Clemmys theobaldi, Lyd. Greater part of shell ; from the Siwaliks of the Punjab. 
Indian Museum (No. E 89). 2 from the dorsal, 2a from the left lateral aspect: 2b 
anterior extremity of plastron. 
,, 3, 3a, 3b. Clemmys punjabiensis, Lyd. Greater part of .shell ; from the Siwaliks of the Punjab. 
Indian Museum (No. E 92). 3 from the dorsal, 3a from the left lateral aspect : 3b 
anterior extremity of plastron. 
; 
,, 4, 4a. Clemmys hydaspica, Lyd. Shell ; from the Siwaliks of the Punjab. Indian Museum 
(No. E 93). 4 from the dorsal, 4a from the right lateral aspect. 
^ All the figures ^'natural size. 
