131 



LIST OF SHELLS COLLECTED 

 Which have been Determined. 



Spirula Peronii, Grand Isle. 



Donax variabilis, Grand Isle. 



Tellina Iris, Grand Isle. 



Tellina Cayennensis, Grand Isle. 



Littorina innovata, Grand Isle. 



Purpura Floridana, Grand Isle. 



Natioa duplicata, Grand Isle. 



Busy eon pyruin, Grand Isle. 



Bfodiola plicatula, Grand Isle. 



Solecurtus GaribflBus, Lara., Grand Isle. 



Area Campeacbensis, Grand Isle. 



Area iucongrua, Grand Isle. 



Gardinm muricatum, ballast heap, New Orleans. 



Plicatula rainosa, ballast heap, New Orleans. 



Chama macerophylla, Chemn., ballast heap, New Orleans, 



Venus cancellata, ballast heap, New Orleans. 



Helix aspersa, Mtiller, Baton Rouge. 



Suceinea ovalis, Gould, Baton Rouge. 



Limmea umbiheata, Bin., Baton Rouge. 



Gnathodon cuneatus, Gray, Lake Pontchartrain. 



Glandina bullata, Baton Rouge. 



Melantho decisa, Say, Washington, St. Landry. 



Helix auriform a, Say, Baton Rouge. 



Helix thyroides Say, Baton Rouge. 



The Unios collected on the banks of the Teche, and a number of 

 shells belonging to the genus Ostrea, and some other small marine 

 shells, I have not yetHoeen able to have authentically identified. 



All of which is respectfully submitted, 



AMERICUS FEATHERMAN, 

 Lecturer on Botany and Professor of Modern Languages. 



Respectfully forwarded to the Honorable Board of Supervisors. 



D. F. BOYD, 



Superintendent. 



