INVERTEBRATE ANIMALS OF VINEYARD SOUND, ETC. 435 



MOLLUSCA. 



Gastroiiods. 



Page. 



Mangilia cerina . 432 



Bela plicata 432 



Tritia trivittata 354 



Ilyanassa obsoleta 354 



Eupleiira caudata 371 



Odostomia seniinuda 417 



O. fusca 307 



Tarbouilla interrupta 432 



T. elegans 432 



Page. 



Crepidula foruicata ... 355 



0. convexa 



0. unguiformis 



Scalaria lineata 



S. multistriata 



Utriculus canaliculatus 

 Bulla solitaria -..-,... 

 Amphispbyra pellucida 



355 

 355 

 432 

 432 

 432 

 371 

 432 



Cylicbna oryza 432 



Lamellihranclis. 



, Page. 



Pholas costata 433 



P. truncata 433 



Mya arenaria 309 



Clidiopbora trilineata 432 



Lyonsia byaUna 358 



Periploma papyracea 429 



Mulioia lateralis 432 



Tagelus gibbus 373 



T. divisus 



OumiDgia tellinoides ..-..,, 418 



Macoma fusca 359 



Augulus tener . 358 



Tellina teuta 432 



Callista convexa 432 



Yenus merceuaria 359 



Petricola pholadiformis 372 



Gardium piunulatum 423 



Kellia plaoulata 310 



Montacuta elevata 418 



Solenomya velum 360 



Astarte castanea 432 



Cyclocardia borealis 418 



0. Novaiigliie 418 



E^ucula proxima 432 



Yoldia limatula 432 



Argina pexata 309 



My tilus edulis 432 



Modiolaria nigra 433 



Crenella glandula . 418 



Anomia glabra. 



311 



Ostniea Yirginiana = - . . 433 



Molgula Manhattensis 



Ascidians. 



Page. 

 311 



Cynthia partita 



KADIATA. 



UcJiinoderms. 



Page. 

 311 



Page. 



Thyone Briareus 433 



Asterias arenicola 433 



Amphix)holis abdita . . . 



Page. 

 433 



