364 



REPORT — 1856. 



B. Species which may prove to be identical. 



10. 



11. 



12. 

 13. 

 14. 

 15. 

 16. 

 17. 



Pacific. West Indies. 



Petricola robusta Chnristodon typicum. 



Solecurtus affinis Caribbaeus. 



Corbula bicarinata Cubaniana. 



Tellina cognata similis. 



Donax rostratus rugosa,CW£m#in 



Bristol Mus. 



Venus ? crenifera crenifera. 



— — neglecta cancellata. 



Trigona radiata raactroides. 



Gouldia Pacifica Crassatella Gua- 



daloupensis. 

 Chama frondosa (var. sp. 

 Mexicana). 



Felania serricata LucinaCandeana. 



Byssoarca mutabilis Americana. 



gradata ? Domingensis. 



fusca ? fusca. 



Ianthina decollata prolongata. 



Crucibulum umbrella ... extinctorium. 

 Crepidula onyx sp. 



Pacific. • 



18. Hipponyx Grayanus 



19. Turritella tigrina 



20. Cerithium ? uncinatum . . . 



21. Modulus catenulatus 



22. disculus 



23. Trivia suffusa 



24. Ppediculus 



[.'imported]. 



25. Erato ? Maugerae 



26. Lamellaria, sp 



27. Marginella minor 



28. margaritula 



29. Oliva inconspicua 



30. Melchersi 



31. araneosa 



32. Olivella p. aureotincta ... 



33. Purpura biserialis 



\_ = P.undata, C. B.Ad.] 



34. Pisania gemmata 



West Indies. 

 ? Grayanus. 

 imbricata. 

 uncinatum. 

 Carchedonicus. 

 — (pars) D' Or 6. 

 ? suffusa. 

 pediculus. 



Maugerae. 



sp. 



minima. 



ovuliformis. 



? oryza. 



sp. 



reticulata. 



petiolita. 



Floridana. 



[not P. undata, 



Lam.], 

 tincta, Conr. 



The Gasteropods have now gained a large majority. 



C. Species really separated, but by slight differences. 



Pacific. West Indies. 



1. Lyonsiapicta plicata. 



2. Capsa laevigata Braziliensis. 



3. Mactra elegans canaliculata. 



4. Tapes histrionica granulata. 



S.Dione Chionaea, var maculata. 



6. lupinaria dione. 



7. Cyclina subquadrata sp. 



8. Gouldia varians Crassatella, sp.D'Ori. 



9. Cardium consors muricatum. 



10. Lucina pectinata pecten. 



11. Byssoarca solida sp. 



12. Avicula sterna Atlantica. 



13. Planorbis tumens affinis. 



14. Physa aurantia Maugerae. 



15. elata sp. 



16. Bulla Adamsi striata. 



17. Ianthina striulata fragilis. 



18. Acmaea fascicularis Antillarum. 



19. mitella sp. 



20. Fissurella virescens, var. . Barbadensis. 



21. Phasianella compta sp. 



The Gasteropods maintain their majority. 



Pacific. 



22. Neritina picta 



23. Crepidula excavata .. 



24. Hipponyx serratus 



25. Turritella goniostoma 



26. Cerithidea varicosa .. 



27. Rissoina Woodwardi ., 



(St. 



28. Alaba supralirata 



29. Trivia subrostrata 



30. Ovulum variabile 



31. Strombus gracilior 



32. Terebra luctuosa 



33. Drillia incrassata 



34. aterrima 



35. Crysallida communis 



36. Cerithiopsis assimilata .. 



37. Lathyrus tuberculatus .. 



38. Olivella tergina 



39. Purpura biserialis 



40. Pyrula patula 



41. Murex recurvirostris 



West Indies. 

 virginea. 

 porcellana. 

 sp. 



meta. 



Lavalleana. 

 Catesbyana 



Thomas), 

 tervaricosa. 

 sp. 



subrostrata. 

 pugilis. 

 cinerea. 



sp. (Palabastra, or 

 sp. [Pgibbosa). 

 cancellatus. 

 terebella. 

 Knorrii. 

 conoidalis. 

 deltoidea. 

 melongena. 

 messorius. 





D. Analogous but quite distinct species. 



Pacific. West Indies. 



1. Tellidora Burneti sp. 



2. Mactra exoleta carinata. 



3. Venus amathusia dysera. 



4. Anomalocardia subrugosa flexuosa. 



5. Cardium elatum serratum. 



6. aspersum bullatum. 



7. Chiton sanguineus, Rve... sanguineus, Cutt. 



8. Glyphis microtrema sp. 



9. Nerita Bernhardi tessellata. 



10. Petaloconchus macro- ~1 varians> 



phragma J 



11. Litorina Philippii ziczac. 



12. Strombus Peruvianus ... gigas. 



13. Conns purpurascens „„„ achatinus. 



Pacific. West Indies. 



14. Odostomia vallata sp. 



15. Parthenia armata gemmulosa. 



16. Chemnitziae, sp sp. 



17. Polynices uber lactea. 



18. Ficula decussata gracilis. 



19. Mitra nucleola granulosa. 



20. Cassis abbreviata inflata. 



21. coarctata testiculus. 



22. Oniscia tuberculosa oniscus. 



23. Triton vestitus pilearis. 



24. Nassa versicolor ambigua. 



25. Anachis costellata terpsichore. 



26. Murex erosus intermedius. 



&c. &c. 



