INVERTEBRATE ANIMALS OF VINEYARD SOUND, ETC. 377 



is freciueutly found attaclied to the shells of oysters, and to other soli<l 

 objects. 



List of species commonly found on the muddy shores of the hays and sounds. 



ARTICULATA. 



Crustacea. 



Page. 



Page 



Gelasinins pugnax 367 



Sesarma reticulata 367 



Pinnixa cylindrica 367 



Pinnotheres ostrenni 367 



Cancer irroratus 367 



Pauopeus depressus . 367 



P. Sayi 367 



Callinectes hastatus 367 



Carcinns granulatus 367 



Libinia canaliculata 368 



L. dubia 368 



Eupagnrus longicarpns .... 368 



E. pollicaris 368 



Callianassa Stimpsoni 369 



Gebia aftinis 368 



Yirbius zostericola 369 



Crangon vulgaris. . . 369 



Pala^monetes vulgaris 369 



Mysis stenolepis 



M. Americana 



Squilla emi^usa 



Ganimarus mucronatns .... 



Amiihithoe valida 



A. compta 



A. longimaua 



Unciola irrorata 



Corophium cylindricuui 



Idotea irrorata 



Erichsonia atteuuata 



Epely s trilobus 



E. montosus 



Limnoria lignornm 



Limulus Polyphemus 



Numerous small Entomos- 

 traca, of many genera. 



370 

 370 

 369 

 370 

 370 

 370 

 370 

 370 

 370 

 370 

 370 

 370 

 370 

 370 

 370 



Annelids^ {Chwtopods.) 



Page. I 



Nereis virens 371 



N. limbata 371 



Diopatra cnprea 371 



Lumbricouereis opalina 371 



L. tenuis 371 



Maldane elongata 371 



Notomastns luridus 371 



N, filiforrais 371 



Cistenides Gouldii 



Amphitrite ornata 



Ehynchobolus Americanus. 



E. dibranchiatus 



Cirratulus graudis 



Polycirrns eximius 



Chietobranchus sanguineus . 



Page. 

 371 

 320 

 371 

 371 

 371 

 371 

 371 



MOLLTJSCA. 



Gastropods. 



Page. 



Ilyanassa obsoleta 371 



Nassa vibex 371 



Eupleura caudata 371 



Urosalpinx cinerea 372 



Astyris Innata . . ...... 372 



Crepidula convexa 371 



Page. 

 372 



Littorina irrorata 



Lacuna viucta 



Bittium nigrum 



Triforis nigrocinctus 372 



372 

 372 



Bulla solitaria 



171 



