[483] INVERTEBRATE ANIMALS OF VINEYARD SOUND, ETC. 



Annelids. 



Page. 



Nereis limbata 318 



Autolytus cornutus 397 



Sabellaria vulgaris 321 



Nicolea simplex 321 



Polycirrus eximius 320 



Potamilla oculifera ........ 



Sabella microplithalma ____ 



Fabricia Leidyi ..... &amp;gt; ..... 



Serpula dianthus .......... 



Spirorbis, sp . . . , .......... 



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Monocelis agilis 325 



Poliuia glutinosa . . 324 



Turbellarians. 



^emertes socialis 



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 Pontoneina marimim 325 



Nematodes. 



P. vacillatum 



189 



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 322 

 323 

 323 

 322 

 323 



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 324 



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 326 



MOLLUSCA. 



Gastropods. 



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Eela plicata 383 



Ilyanassa obsoleta 468 



Tritia trivittata 354 



Urosalpinx cinerea . - , . 306 



Astyris lunata 306 



Anachis avara 306 



Kissoa aculeus 306 



Skenea planorbis 383 



Littorina riulis 305 



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L. palliata 305 



Odostotniabisuturalis ...... 307 



Bittinm iiigriim 305 



Cerithiopsis Greenii 383 



Triforis nigrocinctus 305 



Alexia myosotis . - 383 



Melampus bidentatus 469 



^Eolidia pilata 383 



Laniellibranclis. 



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Teredo navalis 482 



Argina pexata 309 



Mytilus edulis 307 



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Modiola plicatnla. 307 



Anoinia glabra 311 



Ostrava Yirginiana , 310 



Ascidians. 



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Molgula Manliattensis 311 



Cynthia partita 311 



Botryllus Gouldii 



Bryozoa. 



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Vesicularia dichotoma 389 



Escharella variabilis - - 312 



Bugula ttirrita 



Pedicellina Americana 



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 389 



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 405 



