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



Pago. 



Spio robusta 345 



S. setosa 344 



Nerine agilis 346 



Aricia ornata. 344 



Anthostoma robustum 343 



A. fragile 344 



Maldane elongata 343 



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Clymenella torquata 343 



Notomastus luridus 342 



N. filiformis 342 



Sabellaria vulgar is 349 



Oistenides Gouldii 349 



Aniphitrite ornata 348 



OUgochceta. 



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Halodrillus littoralis . 338 



Clitellio irroratus 



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 324 



Nemerteans. 



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Meckelia lactea 350 



M. in gens 349 



M. rosea . 350 



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Cosmocephala ochracea 325 



Tetrastemma arenicola 351 



Balanoglossus aurantiacus. 351 



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Pbascolosoma Gouldii . 353 



Sipunculoids. 



Phascolosoma, sp. 



353 



MOLLTJSCA. 



Gastropods. 



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Fulgur carica 355 



Sycotypus canaliculatus 355 



Astyris lunata 306 



Ilyanassa obsoleta 354 



Tritia trivittata 354 



Lunatia heros 353 



L. heros, var. triseriata 354 



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Neverita duplicata 354 



Crepidula foruicata 355 



C. convexa 355 



C. unguiformis 355 



Bittium nigrnm... 355 



Lacuna vincta 



355 



LamelUbranchs. 



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Ensatella Americana 356 



Siliqua costata 358 



Mya arenaria 357 



Lyonsia hyalina 358 



Mactra solidissima 358 



Macorna fusca . .. 359 



Angulus tener 358 



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Venus mercenaria 359 



Tottenia gemma 359 



Lsevicardium Mortoni 358 



Soleuomya velum 360 



Mytilus edulis 361 



Pecten irradians 361 



