MANUAL OF THE MOLLUSCA. 23 \ 



PLATE XXIII. i 

 * The interiors marked are lefi valves. 



Mi/acidce. \ 



PAGE J 



l.*Mya truncata, L. f. Brit : 317 



2. Corbula sulcata, Lam. W.Africa 317 ■ 



3. (Po^«»20?/?y«) labiata, Maton sj). f. Buenos Ayres 318 ' 



4. (»Sy?^w?«) Binghami, Turt. Brit 318 ; 



.5, Neffira cnspidata, Olivi. Brit 318 ! 



6. Anatinella Candida, Chemn. f. Ceylon 309 ; 



Anatinidce, ! 



7. Anatina subrostrata, Lam. \. India 321 j 



8. Cocblodesma prsctenue, Mont. Bi-it 321 ; 



9. Thracia pubescens, Piilt. \. Brit 322 ^ 



10.*Lyonsia Norvegica. Chemn. sp. f. Brit 323 | 



11. Pandora rostrata. Lam f. Guernsey 324 



1 2. Myodora brevis, Stutch. New South Wales 324 ^ 



13. Myochama anomioides, Stutch. New South Wales 324 \ 



14. Chamostrea albida, Lam. sp. \. New South Wales 325 



Gastroch(Bnid<B. i 



15. Gastrochsona modiolina, Lam. Galway 325 ; 



15a. sp. siphonal orifices, in U. Grccn-sand, HaldoJi, 



Devonshire 326 ' 



16. — muniia, Spengl. f. India 326 j 



17. Clavagella bacillaris, Desh. |. Pliocene, Sicily 32 i 



18. Aspergillum vaginiferum, Lam. i. Red Sea 827 



Fholadidce. j 



19. Pholas Bukeri, Desh. \. India 328 \ 



20. (P/to/«(^2We«) papyracea, Solr. |. Brit 329 i 



21. (J/(3!y^m«a5) striata, L. W.Indies 329 i 



22. (P^rfl-^/^o/^) bisulcata, Conrad. California 329 ' 



23. Xylophaga dorsalis, Turt. Brit 329 



24, 25. Teredina personata. Lam. London Clay, Bognor 330 ' 



25a. siphonal orifice 



26.*Teredo Norvegica, Spengl. Brit 329 



27. siponai end of the tube, broken to show septa. 



28. bi-pennata, Turt. (styles) Brit 330 \ 



