[429] INVERTEBRATE ANIMALS OF VINEYARD SOUND, ETC. 135 



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C. costatnm 417 



Oepidula fornicata 355 



C. convexa 355 



0. unguiforinis 355 



Katica pusilla 420 



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 Lunatia beros 426 



Neverita duplicata 426 



Cylichna oryza 426 



Utriculus canaliculatus. . 426 



Lamellibranchs. 



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Eusatella Americana . . 426 



Siliqua costata 426 



Mya arenaria 357 



Corbula contracta 418 



Clidiophora trilineata 418 



Lyonsia liyalina. , . .- 426 



Thracia Conradi 426 



Periploina papyracea 435 



Cocblodesma Leauum 418 



Mactra solidissima 426 



Mulinia lateralis 373 



Ceronia arctata 426 



Macoma fusca. . 359 



Tellina tenta 



Augulus modestus . . . 



A. tener - 



Venus mercenaria 



Tottenia gemma 



Lsevicardium Mortoni 



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 432 

 418 

 426 

 359 

 426 

 426 



Cyclas dentata 418 



Solenomya velum 360 



Gouldia mactracea 418 



Astarte castanea 432 



Myti lus edulis 426 



Pecten irradians 426 



Anomia glabra 311 



Ascidians. 



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Molgula arenata 426 



M. Manhattensis . . 427 



Molgula pellucida 



Bryozoa. 



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Bugula turrita 427 



Membranipora lineata 427 



Escharella variabilis. 



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 426 



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 427 



EADIATA. 



Ecliinoderms. 



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Thy one Briareus 427 



Pentamera pulcliella 427 



Caudiiia arenata 427 



Echinarachuius parma 427 



Melitta testudiuaria 

 Asterias areuicola . . . 

 Opbiura olivacea 



Acalephs. 



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Obelia diapbana , 327 



Hydractiuia polyclina 



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427 

 427 

 427 



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 427 



