The Productivity of Fish food in Oneida Lake 13 



CONTENTS— Cow^iin/ed 



Page 

 Chapter IV. Annotated List of the MoUusks of Lower South Bay 



and Vicinity 150 



General Habitat Relations 150 



1 . Relation to Algas 151 



2. Relation to the Bottom 152 



3. Relation of MoUusks to Depth of Water 153 



4. Relation of Age and Season to Migrations 157 



5. Quantitative Studies 159 



List of Species 159 



Class Pelecypoda I59 



Order Prionodesmacea 159 



Order Teleodesmacea 163 



Class Gastropoda 167 



Order Prosobranchiata 167 



Order Pulmonata 172 



Summary 181 



Chapter V. Invertebrates Associated with the MoUusca in_ Lower 



South Bay and Vicinity 183 



General Habitat Relations 183 



Relation to the BottonT 183 



Relation to Depth of Water 184 



Relation to Age and vSeason . 185 



Annotated List of Species 185 



Phylum Porifera (Sponges) 186 



Phylum Coelenterata (Hydroids) 187 



Phylum Platyhelminthes (Planarian Worms) 187 



Phylum MoUuscoidea (Bryozoans) 188 



Pliylum Annulata (Earthworms and Leeches) 188 



Class Hirudinea 188 



Class Oligochaeta 189 



Phylum Arthropoda 190 



Class Crustacea 190 



Order Phyllopoda (Cladocera, Water-Fleas) 190 



Order Copepoda 191 



Order Ostracoda 191 



