INVERTEBRATE ANIMALS OF VINEYARD SOUND, ETC. 423 



Nemerteans. 



Page. 



Meckelia ingens 324 



PoliDia glutinosa 324 



Oosmocephala ocliracea . . 



Page. 

 325 



MOLLUSCA. 



Ceplialopods, 



Loligo Pealii, eggs and adults 



Page. 

 416 



Gastropods. 



Page. 



Pleurotoma bicarinatum . . . 418 



Bela plicata 383 



Fulgur carica 417 



Sycotypus canaliculatus 417 



Tritia trivittata , 354 



Eupleura caudata 371 



Urosalpinx cinerea 306 



Astyris lunata 417 



A. zoDalis 399 



Auachis avara 417 



Odostoinia producta. 417 



O. fusca .... 

 O. trifida . . . 

 O. seminuda 



307 

 417 

 417 



O. impressa 417 



O. bisLitiiralis 307 



Turbouilla interrupta.. . . 418 



T. elegans 418 



Eulima oleacea 418 



Lacuna viucta 417 



Page. 

 417 

 417 



417 

 417 

 417 

 417 

 417 

 417 



Bittium nigrum 



Triforis nigrocinctus 



Cerithiopsis Greenii 417 



0. terebrans 



0. Emersonii 



Yermetus radicula 



Caecum pulchellum 



C. costatum 



Orucibulum striatum 



Orepidula fornicata 417 



C. unguiformis 417 



0. convexa 355 



Natica pusilla 417 



Lunatia heros 417 



Scalaria lineata 418 



S. multistriata 418 



Leptocbiton apiculatus, 399 



Polycera Lessonii 400 



Doto coronata 400 



Doridella obscura 307 



Lamellibranchs. 



Page. 



Saxicava arctica 309 



Mya areuaria, (young) 309 



Corbula contracta 418 



Clidiopbora triliueata 418 



Lyonsia hyalina 358 



Cocblodesma Leanum 418 



Mactra sobdissima 418 



MuUnia lateralis 373 



Cumingia tellinoides 418 



Angulus tener 358 



Page. 



A. modestus 418 



Gastranella tumida 418 



Cardium pinnulatum 435 



Oyclas dentata 418 



Kellia planulata 418 



Montacuta elevata 418 



Gouldia mactracea .... 418 



Astarte castanea 432 



Cyclocardia borealis 418 



0. Novanglise I 418 



