THE BAHAMA ISLANDS 29 



Nassa ambigua Montagu. 

 .Trivia pediculus Linn6. 

 Polynices lactea Guilding. 

 Natica canrena Lamarck. 

 Cerithium algicola Adams. 

 Cerithium semiferrugineum Lamarck. 

 Bulla striata Bruguiere. 



STATION 29. Stratified rock along shore of Green Cay, a hard, calcareous 

 sand rock. 



Phacoides (Here) pensylvanicus Linn6. 

 Chama variegata Reeve. 

 Nerita tessellata Gmelin. 



STATION 30. Eock in place about one and a half mile west of " The 

 Caves/' New Providence, and about five feet above sea level. 



Area reticulata Gmelin. 



Chama sarda Reeve. 



Phacoides (Here) pensylvanicus Linn6. 



Strigilla carnaria Linn6. 



Purpura sp., fragment. 



Natica castrensis Ball. 



THE LANDSHELL FAUNA OF THE BAHAMA ISLANDS. 



The latest enumeration of the recent landshell fauna of the Bahamas 

 which has come to my notice is the list given by Mr. Bendall in 1895 in the 

 Proceedings of the Malacological Society of London. This list contains at 

 least two synonyms and several names of species which have been mistakenly 

 attributed to the Bahamas, and six varieties of recognized species. Deduc- 

 tion being made of these, there remains a total of seventy-six species then 

 known to inhabit the Islands. 



To these are now added, for the purpose of making a complete enumeration 

 of the known land and fresh-water fauna of the Bahamas, (1) a number of 

 species in the collection of the U. S. National Museum, derived from various 

 sources; (2) a certain number of species first collected by Mr. Owen Bryant, of 

 Boston, on a recent trip to the Bahamas, the report on which, by the writer, 

 will shortly be printed; and (3) the species collected by the present Expedition, 

 and described in the text here following, preceding the general list of the fauna. 



The list now given comprises 172 forms, of which 25 may be regarded 

 as varietal, leaving 147 recognized species so far as at present known, adding 

 seventy-one species to the list of 1895. In view of the great variability of 

 the genus Cerion, only those forms which seemed well characterized have been 



