INDEX. 



471 



Page. 

 ETndibranchiata <>r>l 



Ohcliii commissuralis 726,327, 33-1, 393, 



407,411,425 



diaphana 727,327,334,429 



dicbotouia - .728, 407, 411, 425 



divaricata 727 



flabellata 728, 390, 393, 497 



fusiforniis 407,411,424 



gelatinosa 728, 391, 393, 482 



goniculaia - - -727, 334, 393, 407, 411, 

 424, 487, 494, 495, 496 



lougissima 728 



polygena -- 727 



py riformis 727, 334, 390, 393 



species 476, 363, 376, 447, 454 



Oceania languida 725, 454 



Oceau shores and outer cold waters, 



fauna of - 484 



Ocellated flounder 519 



Ocypoda areuaria . . -545, 745, 336, 337, 364, 



534 



Ocypode pugilator 545 



Odostomia bisuturalis . ..656, 307, 333, 383, 



393, 423 



dealbata 656 



exigua 656 



fusca .656, 307, 333, 393, 423, 435 

 impressa..G60, 656, 333, 418, 423 



inscnlpta 656 



limnoidea 653 



producta 656, 333, 418, 423 



seminuda -657, 418, 423, 428, 435 

 trilida 656, 307, 333, 393, 418, 423 



Oligocba3ta 622 



Ommastrephes Bartrauiii 635 



illecebrosa 634, 441, 453 



sagittatus 634 



Oncbidoris pallida 665, 495 



Oniscus 399 



Open coast, fauna of gravelly bot- 

 toms 500 



Open coast, fauna of muddy bot- 

 toms 506 



Open coast, farina of rocky bot- 

 toms 491 



Open coast, fauna of sandy bot- 

 toms 500 



Open coast, fauna of rocky shores .. 485 

 Open coast, fauna of sandy shores.. 489 



Ophelia simplex 603, 319, 332, 410 



Ophidium marginatum 338 



Ophiocoma bellis 719 



neglecta 720 



Ophioderma olivuceum 711 



Ophiolepis scolopendrica 719 



i'.i- 

 tphiolepii trimis 



>plliopholis ;irl||r;i|;i ' . 



'"His 



ftoolopendi 



Ophiura bellis 



elegans 



olivacoa ?!:,:; 



Ophiuroidea 71^ 



Drchestia agilis .555, 314, 331, :;.; 



164,486 

 longicornis 



inegalopbtbalina r,;,<; 



palustris 555, 468 



Drcyuus thuunina 515 



Ortbagoriscus mola t 573 



Orthopyxis caliculata . . .726, 334, 408, 411, 



424 



poterium T-J<; 



Osteodesma hyalina 07^ 



Ostrea borealis <;J7 



Canadeusis (;;7 



Islaudica 696 



Virginiana . . .697, 748, 310, 333, 374, 

 378, 388, 393, 401, 410, 424, 435, 453 



Virginica 697 



Otion Cu vieri 5gQ 



Outer coast, fauna of, on rocky 



shores 485 



Outer coast, fauna of, on san;.y 



shores 489 



Outer coast, fauna of, on gravelly 



bottoms 500 



Outer coast, fauna of, on rocky 



bottoms 491 



Outer coast, fauna of, on sandy 



bottoms 500 



Outer coast, list of species of 



muddy bottoms 511 



Outer coast, list of species of 



rocky bottoms 



Outer coast, list of species of rocky 



shores 487 



Outer coast, list of speciess of sandy 



and gravelly bottoms 504 



Outer coast, list of spi-ru-.s of saudy 



shores 4120 



Oyster 47. 



Oyster-beds in brackish waters, 



animals inhabiting 



Oyster-beds in brackish waien, list 



of species inhabiting 



Oyster-crab 



Pagurus Bernhanlus 



longicarpus 



pollicaris 



