Plate XXXV. 



FIGS. PAGE 



1, 2. Triffonia Shepstonci, Griesb. 292 



1. Left valve. Griesbach Collection. 



2. Right valve. 



3,4. Trigonia elegans, Bsiiiy 293 



3. Eight valve. 



4a, left valve of a small specimen x 2 ; 4/>, part of the same < 4. 



5. Mytilus, sp 294 



Part of left valve. Griesbach Collection. 



6. Modiola haffraria, sp. nov. ... ... ... ... ... ... 294 



a, left valve; h, anterior view x 1^. 



7-9. Pecten {Chlamys) amapondensis, Grieah. ... ... ... ... 295 



7, 8. Eight valves. Griesbach Collection x 1:^. 

 9. Left valve. Griesbach Collection. 



10. Pecten {Chlamijs) cajjensis, sp. nov. ... ... ... ... 296 



fl, left valve ; b, part x .3. 



11. Pecten {/Eqwipecten) Kossmati, sp. nov. ... ... ... ... 297 



a, left valve ; h, part near the ventral margin x 4. 



1%13. Pecten {Cam2)toncctes),si:) 297 



12fl, right valve x IJ; 126, part near the posterior border x 6; 



12c, part near the mid-ventral border x 6. 



13. Part of left valve x IJ. Griesbach Collection. 



14. Pecten (Neithea) qtiinqiiecostatiis, Sow. ... ... ... ... 298 



Eight valve. 



15. Ostrea,si:> 299 



a, exterior ; Ii, interior of left valve. 



16. Ostrea, sii 299 



(I, exterior ; /), interior of left valve. 



17. Exogyra, sp 299 



Eight valve. 



18,19. Astarte Griesbachi, s^). nov. Griesbach Collection 300 



18fl, right valve x 1^ ; IHh, dorsal view x 1^. 

 19a, left valve x 2 ;"l9&, interior x 2. 



20. Astarte {Eripliyla) lenticidaris (Goldf.) 301 



Eight valve. Griesbach Collection. 



21. CrassatcUitcs africanus, sp. nov. ... ... ... ... ... 303 



21a, left valve; 21/>, interior ; 21c, anterior view ; 21(/, part near 

 the middle of the valve x 4. 



