PLATE XI 1 1. 



Fi»s. 1 — 3. Protocardium hillanum, Sow., p. 2,19; 1 a,nd 3, ium >tor(k o/ .lluii.la,iujjooia//i, 

 i, from near Anapawdy ; Trichbiopoly group. 



Fig. ... 4. Trapezium «j«. i«fi?., p. 196 j side- and umbonal-, views ; north of Siirdajiiungalian, 

 Trichinoptoly group. 



Fig'. ... 5. MuTiELLA EXiGUA, Stol., p. 253; side-, front-, and internal-, views of a right valve; 

 Olapaudy, Arrialoor group. 



Figs. 6 — 7. Cardium [Cerastoderma] pilatum, 5i!o^., p. 218; 6 and 6 a, side-, and front-, views 

 of a left valve, with the shell surface only partially preserved; 7, inner side 

 of a small left valve ; the sides of this are completed from the other specimen ; 

 Ninnyoor, Arrialoor group. . ■• 



Fig. ... 8. Protocardium delicatolum, Stol., p. 220 ; side-, front-, and inner-, views of a 

 right valve, the posterior lower portion of which is restored ; Shutamungalam, 



? Arrialoor group. 



Fig- ... 9. LuciNA [Cyclas] t^niolata, Stol., p. 257; 9, 9 a, left and right valve, and 9 i, 

 the two placed beside each other in front- view ; Ninnyoor, Arrialoor group. 



Fig. ... 10. CoRBis OBLONGA, Stol., p. 255; side-, inner-, and front-, views of a left valve; Nin- 

 nyoor, Arrialoor group. 



Figs. 11 — 12. CoRBis TYPiCA, StoL, p. 254; inner-, outer-, and front-, views of the two valves; 

 Ninnyoor, Arrialoor group. 



Fig. ... 13. LuciNA FALLAX, i^c)r(5^«, pp. 256 and 257 ; Moraviatoor, Ootatoor group. 



Fig. ... 14. LuciNA UNDATA, Stol., p. 257 ; side-, and front-, views of a perfect specimen; 

 south-east of Arrialoor, Arrialoor group. 



Figs. 15 — 17. LuciNA FALLAX, Forhes, ^. 'i.h^ ; three elongated and compressed varieties ; 15 and 

 16 are from Moraviatoor, Ootatoor group; 17 is from Ninnyoor, Arrialoor 

 group. 



