66* DAVENPORT ACADEMY OF NATURAL SCIENCES. 



Lucina squamosa Lam. Terraciea Island; Tampa Bay; Long 

 Key, etc. 



Lucina floridana Con. West coast; abundant in Sarasota Bay. 



Lucina tigrina L. Very abundant at the Marquesas, on sand flats. 



Lucina jamaicensis Lam. West coast; found in Ware's Creek and 

 Manatee River in immense numbers during very low tides. 



Lucina pecten Lam. Sarasota Key; dredged in Tampa Bay. 



Lucina pecten, yellow variety. Key West. 



Lucina crenulata Con. Dredged in Sarasota and Tampa Bays. 



Lucina tri sulcata Con. Dredged in Tampa Bay; Red-fish Point; 

 Manatee River. 



Lucina pennsylvanica L. Tampa Bay, on sand flats; Marquesas 

 Keys; abundant. 



Lucina tenui costata Con. Tampa Bay. 



Lucina costata D'Orb. Tortugas. 



Lucina quadrisulcata D'Orb. Tortugas. 



Lucina muricata Chem. Garden Key, Tortugas. 



Cyrenoida floridana Dall. One pair at Long Key; Royal Palm 

 Hammock, on the borders of the everglades, on a wet prairie, with 

 Ampullaria calliginosa and Planorbis duryi; rather plentiful. This 

 prairie lay just above the level of ordinary tide, and is probably occa- 

 sionally submerged with brackish water. 



Diplodonta candeana D'Orb. Tortugas. 



Diplodonta semiaspera Phil. Tortugas; dredged in Tampa Bay. 



Diplodonta soror C. B. Ad. Tortugas, valves washed ashore. 



Loripes edentula L. Odd valves are very abundant, washed up on 

 the West coast. Perfect shells are rare. 



Lasea rubra Mont. Tortugas; one pair. 



Lepto?i bowmani Holmes. Tortugas. 



Lepton fabagella Con. West coast, scattered valves; Little Sarasota 

 Key, etc. 



Crassatella lunulata Con. Dredged alive, abundantly, near the 

 mouth of the Manatee, and off Casey's Pass. Found dead, washed 

 ashore on Egmont and Passage Keys. Mr. Dall believes this to be 

 Gouldia mactracea Linsley. 



Parastarte triquetra Con. This beautiful but minute shell was found 

 occasionally around Tampa Bay, and was dredged in Sarasota Bay. 



Cardita floridana Con. Long Key; lagoon at Magill's Mound, very 

 large and abundant. 



Cardita floridana, var. A pure white variety was obtained at the 

 latter locality. 



Venericardia perplana Con. One or two dead shells were found on 

 Egmont Key. Several living shells were dredged at the mouth of the 



