16 . MANUAL OF THE MOLLUSCA. 



PLATE XVI. 



Ostreidce. 



PAGE 



1. Ostrea diluviana, Gmelin. i. Chalk-mar], Brit 254 



2. {Exogyra) comcvi, '$>hj . §. U. Green-sand, Wilts 255 



3. Anomia Achteus, Gray. f. Kurachee, Seinde 255 



4 Placuuomia macroschisma, Desh. i. California 255 



5. Placuna sella, Gm. sp. 5, China 256 



6. placenta, L. (young.) N.Australia 256 



7. Carolia placuno'ides, Cantr, (hinge.) Tertiary, Egypt 256 



8. Pecten plica, L. |. China 258 



9. (flemi-'pecten) Forbesianus, Ad. ■§. Sooloo Sea, 14 fms. ... 258 



10. (Hm«27^*) pusio. Pen. |. Brit , 258 



11. Lima squamosa. Lam. \. China 258 



12. {Plagiosioma) cardiiformis, Sby. Bath Oolite, Brit 258 



V?>. (Zm«^^«/«) sub-auriculata, Mont. Brit 258 



14. {Limtsa) strigilata, Broechi sp. Pliocene, Italy 258 



15. Spondylus princeps, Gmel. ^. Sooleo Sea 259 



16. {Pedum) spondyloides, Gml. f . Red Sea 259 



17. Plicatula cristata, Z^»2. |. W.Indies 259 



Aviculidce. 



18. Avicula hirundo, L. i. Medit ....260 



19. (ilM^«^n;2«) margaritifera, L. sp. \. Ceylon 260 



20. (M^//^rt^) vulgaris, Lam. I. Cliina 261 



21 . ( Vulsella) liiignlata, Lam. i Red Sea 261 



22. Posidonomya Becheri, Bronn. Carb. Hesse, Brit 262 



23. Pinna squamosa, Lam. ■^■^. Medit 263 



24. Crenatula viridis, Lam. i Chinese Seas 263 



a,a' adductor impressions. 

 /;, pedal muscles. 

 g, suspensors of the giUs. 

 b, byssal foramen or notch. 



