106 - 



Page 



mytiloides, Crenatula 257 



Gastrochaena 10, 336 



Ostrea 300 



Unio 186 



Naia atrata . . 384 



atratus 199, 384 



aurata ..... 199 



fragilis 384 



Naiades . 387 



nana 201 



Teredo 4, 336 



nashvillianus, Unio .... 193, 379 



nasuta, Nhra 206 



Nucula 170, 376 



Pandora 49 



Tellina 71, 347 



Unio 208 



nasutus, Unio . 206 



navalis, Teredo 3, 335 



navicular is, Area 152 



Uucula 170 



naviformis, Unio 182 



Ueaera abbreviata . 338 



attenuata 338 



casta 338 



concinna 338 



costellata 338 



cuspidata 338 



didyma • 338 



elegans 338 



gouldiana 338 



hyalina 338 



iridescens 338 



lata 338 



opalina 338 



philippinensis 338 



rosea 338 



