[483] INVERTEBRATE ANIMALS OF VINEYARD SOUND, ETC. 



Annelids. 



Paso. 



Nereis limlmta 318 



Autolytus cornutus. 397 



Sabellaria vnlgaris 321 



Nicolea simplex 321 



Polycirrus eximius 320 



Potamilla oculifera :;I'L' 



Sabella microphthalma :;L':> 



Fabricia Leidyi 



Serpula diauthus 



Spirorbis, sp 323 



Turbellarians. 



Monocelis anilis 



Poliuia glutinpsa 



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 325 

 324 



Nemertea socialis 



Neniatodes. 



Pontonema marinum 



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 325 



P. vacillaturn 



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 324 



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 32G 



MOLLUSGA. 



Gastropods. 



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Bela plicata 383 



Ilyanassa obsoleta 468 



Tritia tri vittata 354 



Urosalpinx cinerea. .... 306 



Astyris Innata 306 



Anachis avara 306 



llissoa aculeus 306 



Skenea planofbis 383 



Littorina rudis . 305 



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L, palliata 305 



Odostoinia bisuturalis ,.. = .. 307 



Bittiiira nigrum 305 



Ceritbiopsis Greenii 383 



Triforis nigrocinctus 305 



Alexia myosotis 383 



Mel am pus bidentatus 469 



pilata 383 



Lamellibranchs. 



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Teredo navalis 482 



Argina pexata 309 



Mytilus edulis 307 



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Modiola plicatula 307 



Anomia glabra 311 



Ostrsea Virginiana 310 



Ascldians. 



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Molgula Ma nli at ten sis 311 



Cynthia partita 311 



Botryllus Gouldii 



Pnge. 

 389 



Bryozoa. 



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Vesicularia dichotoma 389 



Escharella variabilis. . 31.2 



Bugnla turrita 



Pedicellina Americana 



311 

 405 



