[365] INVERTEBRATE ANIMALS OF VINEYARD SOUND, ETC. 71 



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Spio robusta 345 



S. setosa 344 



Nerine agilis 346 



Aricia ornata. 344 



Anthostoma robustum 343 



A. fragile .... 344 



Maklane elongata 343 



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Clymenella torquata 343 



STotomastus luridus 342 



N. filiformis 342 



Sabellaria vulgaris . . . 349 



Oistenides Gouldii 349 



Amphitrite ornata 348 



Oligochwta. 



Halodrillus littoralis 



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338 



Clitellio irroratus 



Nemerteans. 



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Meckelia lactea 350 



M. ingens 349 



M. rosea . 350 



Cosmocepbala ocbracea .... 



Tetrastemma arenicola 



Balanoglossus aurantiacus. 



Sipunciiloids. 



Phaseolosoma Gouldii 



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 353 



Phascolosoma, sp. 



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 324 



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 325 

 351 

 351 



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 353 



MOLLUSCA. 



Gastropods. 



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Fulgur carica . . . - 355 



Syeotypus canaliculatus 355 



Astyris lunata 306 



Ilyanassa obsoleta 354 



Tritia trivittata 354 



Lunatia beros 353 



L. beros, var. triseriata 354 



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Neverita duplicate 354 



Crepidula foruicata 355 



C. convexa . 355 



C. unguiformis 355 



Bittium nigruin 355 



Lacuna vincta . 355 



Lamellibranchs. 



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Ensatella Americana 356 



Siliqua costata 358 



Mya arenaria * 357 



Lyousia hyalina 358 



Mactra solidissima 358 



Maconia fusca 359 



Angulus tener 358 



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Venus mercenaria 359 



Totteuia gemma 359 



La3vicardium Mortoni 358 



Solenomya velum 360 



Mytilus edulis 361 



Pecten irradians . 361 



