364 



REPORT — 1856. 



B. Species which may prove to he identical. 



Pacific. West Indies. 



1. Petricola robusta Chnristodou typicum. 



2. Solecurtus affinis Caribbfeus. 



3. Corbula bicariuata Cubaniana. 



4. Tellina cognata similis. 



5. Donax rostratus rngo%&,Cutting\x\ 



Bristol Mus. 



6. Venus ?crenifera crenifera. 



7. neglecta cancellata. 



8. Trigona radiata mactroides. 



9. Gouldia Pacifica Crassatella Gua- 



daloupensis. 



10. Chama frondosa (var. sp. 



Mexicana). 



11. Felaiiia serricata LucinaCandeana. 



12. Byssoarca mutabilis Americana. 



13. gradata ? Domingensis. 



14. fusca ?fusea. 



15. lanthina decollata prolongata. 



16. Crucibulum umbrella ... extinctorium. 



17. Crepidula onyx sp. 



The Gasteropods have now gained a large majority. 



C. Species really separated, but by slight differences. 



Pacific. 



22. Neritina picta 



23. Crepidula excavata .. 



24. Hipponyx serratus 



25. Turritella goniostoma 



26. Cerithidea varicosa . . 



27. Rissoina Woodward! .. 



Pacific. West Indies. 



1. Lyonsia picta plicata. 



2. Capsa laevigata Braziliensis. 



3. Mactra elegans canaliculata. 



4. Tapes liistrionica granulata. 



S.Dione Chionsea, var maculata. 



6. lupinaria dione. 



7. Cyclina subquadrata sp. 



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



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. lanthina striulata fragilis. 



18. Acmaea fascicularis Antillarum. 



19. mitella sp. 



20. Fissurella vii-escens, var. . Barbadensis. 



21. Phasianella compta sp. 



The Gasteropods maintain their majority. 



D. Analogous but quite distinct species. 



28. Alaba supralirata 



29. Trivia subrostrata 



30. Ovulum variabilo 



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 ... 



Pacific. West Indies. 



1. Tellidora Burneti sp. 



2. Mactra exoleta carinata. 



3. Venus amathusia dysera. 



4. Anomalocardia subrugosa flexuosa. 



5. Cardium elatum serratum. 



6. aspersura ballatum. 



7. Chiton sanguineus, Rve... sanguineus, C«<^. 



8. Glyphis microtrema sp. 



9. Nerita Bernhardi tessellata. 



10. Petaloconchus macro- \ ^^^^^^ 



phragma J 



11. Litorina Philippii ziczac. 



12. Strombus Peruvianus ,,, gigas. 



13. Conus purpiu'ascens nnn achatiuus. 



Pacific. 



14. Odostomia vallata... 



15. Partbenia armata .. 



16. Chemnitziae, sp , 



17. Polynices uber 



18. Ficula decussata , 



19. Mitra nucleola 



20. Cassis abbreviata .., 

 21. coarctata 



22. Oniscia tuberculosa 



23. Triton vestitus 



24. Nassa versicolor 



25. Anachis costeUata .. 



26. Murex erosus,, 



&c. 



West Indies. 



virginea. 



porcellana. 



sp. 

 , meta. 



Lavalleana. 

 . Catesbyana (St. 

 Thomas). 



tervaricosa. 

 , sp. 



, subrostrata. 

 . pugilis. 

 . cinerea. 



sp. (?alabastra, or 



sp. [Pgibbosa). 



cancellatus. 

 , terebella. 



Knorrii. 

 . conoidalis. 

 , deltoidea. 



melongena. 



messorius. 



West Indies. 



sp. 

 , gemmulosa. 



sp. 



, lactea. 

 , gracilis. 



granulosa. 



inflata. 



testiculus, 



oniscus. 

 , pilearis. 



ambigua. 

 , terpsichore. 



intermedius. 



