THE NAUTILUS. 67 



20. Phos Guadeloupensis Petit. St. Thomas. 



21. Nassa, vibex Say. St. Thomas. 



22. Mitra Barbadensis Gmelin. St. Thomas. 



23. Olivella sp. St. Thomas. 



24. Cohimbella mercatoria Liun. St. Thomas. 



25. Columbella (Nitidella) l^evigtata Linn. 



26. Cohimbella (Nitidella) cribaria Lam. St. Kitts. 



27. Columbella sp. Barbabos. 



28. Conus mus Hwass. Barbados. 



29. Pleurotoma (Drillia) fusceseens Gray. Barbados. Semi-fossil. 



30. Strombus pugilus Linn. Purchased at St. Thomas. 



31. Strombus gallus Linn. Purchased at Barbados. 



32. Cassis flammea Linn. Purchased at Barbados. 



33. Cyprsecassis testicukis Linn. Barbados. 



34. Yermetus varians D'Orb. St. Thomas. 



35. EuHma Jamaicensis C. B. Ad. St. Thomas. 



36. Littoriua nodulosus Gmel. 



37. Littorinamuricatus Linn. 



38. Littorina ziczac Chem. 



39. Littorina meleagus Beck. St. Thomas. 



40. Littorina sp. Barbados. 



41. Modulus lenticularis Chem. St. Thomas. 



42. Planasis lineatus Da Costa. 



43. Planaxis nucleus Lam. 



44. Litiopa bombyx Rang. On gulf- weed, N. Atlantic Ocean. 



45. Cerithium (Lampauella) minimus Gmel. 



46. Cerithium (Lampauella) minimus vas se temstriatum Say. 



47. Cerithium (Lampauella) atratum Born. St. Thomas. 



48. Rissoina (Schvvartziella) Chesnelii Mich. St. Thomas. 



49. Rissoina sp. St. Thomas. 



50. Choanopoma interruptum Lam. Two dead and badly 

 weather-worn specimens, Long Mt. 



51. Tudora fecunda Ad. All dead, from Long Mt. 



52. Cyclotus Jamaicensis Ch. All dead, from Long Mt. 



53. Helicina sp. St. Kitts. 



54. Helicina Antillarum Sby. St. Kitts. 



55. Helicina induta Shuttl. St. Thomas. 



56. Helicina convexa Pfr. Bridgetown. 



57. Lucidella aureola Fer. Long Mt. 



58. Nerita ful^urans Gmel. 



