770 



INDEX. 



Page. 



Mustelus canis 521 



Mya acuta 672 



arctica 671 



arenaria . . . 672, 309, 333, 357, 359, 365, 



372, 378, 410, 423, 429, 435, 458, 



463, 469, 490, 515, 521 



Lyalina 672 



mercenaria 672 



Myliobatis Freminvillei 521, 624 



Mysis Americana. . . 552, 370, 377, 396, 409, 



415. 422. 431, 434, 452, 455, 458, 



479, 519, 520 



stenolepis 551, 370, 377, 479 



vulgaris 552 



My tilus borealis 692 



corrugatus 694 



decussatus 695 



clemissus 693 



discors 694 



discrepans 694 



edulis ..692, 307, 333, 361, 365, 372, 

 378, 388, 393., 401, 410, 418, 424, 



426. 429. 432, 435, 453, 470, 475, 



515, 546 



levigatus ., 694 



lugubris 460 



modiolus 693 



notatus 692 



pellucidns 692 



pholadis 671 



plicatus 693 



rugosus 671 



Myzobdella lugubris 625 



Nanomia cara 736, 455 



Naraganseta coralii . . 607, 397, 410, 422, 494 



Natica clausa 647, 519 



duplicata 646 



flava 518 



heros 646 



immaculata 646, 517 



pusilla 647, 417, 423, 426, 429 



triseriata 646 



Nassa fretensis 640 



lunata 645 



obsoleta 641 



trivittata 641 



vibex 640,371,377,479 



Neetonereis megalops 592, 440, 453 



Nematodes 634, 453, 455, 456 



Nematonereis 594, 508 



Nemerteaus 627,324 



Nemertes obscura 628 



olivacea 628 



species 629 



Page. 



Nemertes socialis 628, 324, 332, 392 



viridis 628 



Nemopsis Bacbei 733, 454 



Gibbesi 733 



Nepbtbys borealis 583 



bucera 583,416,422 



ciliata 583 



picta 583, 348, 364, 422, 428 



iugeus 583, 431, 434, 507, 521 



Neptunea curta 638 



pygmiea 639, 508, 518 



Nereilepas fucata 591 



Nereis ciliata 583 



cuprea 593 



fucata 591, 494 



graudis 590 



limbata. .590 318, 332, 341, 364, 371, 

 377, 382, 392, 422, 440, 453, 463, 516 



pelagica 591, 319, 332, 397, 410, 



422, 428, 434, 453 



■virens . . .590, 317, 332, 341, 364, 367, 



371, 377, 440, 453, 455, 463, 468, 



487, 514, 519 



Yankiana 590 



Nerine agilis 600, 346, 365, 490 



cirrata 602 



coniocephala 602 



Nerocila muuda 571, 459 



Neuroptera 543 



Neverita duplicata ..646, 354, 365, 426, 429, 



490 



Nicomache dispar 608, 508 



Nicolea simplex 613, 321 , 332, 382, 392, 



397, 410, 422, 453, 494 



Niuoe nigripes 595, 508 



Nogagus Latreillei 576, 457, 459 



tenax 577,457,459 



Notomastus miformis.611, 342, 365, 371, 377 

 luridus.. 610, 342, 365, 371, 377 



Notospermus viridis 628 



Nucula corticata 691 



delphinodonta 691, 509 



Gouldii 690 



limatula 689,518 



minuta 690 



navicularis 690 



proxima ....691,418,424,432,435 

 515, 518, 519, 520 



radiata 691 



sapotilla 689,518 



tenuis 691,518,519 



tenuisulcata 690 



tbracifef brmis 690 



tbraciformis 690, 749 



