470 



INDEX. 



Page. 



Mustelus canis 521 



My a acuta 672 



arctica 671 



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



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



463,469,490,515,521 



byalina 672 



mercenaria 672 



Myliobatis Fremiuvilloi 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 



Mytilus borealis 692 



corrngatus 694 



decnssatus 695 



demissus 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 



notatns 692 



pellncidus 692 



pholadis , 671 



plicatus 693 



rugosns 671 



Myzobdella lugubris 625 



Nanomia cara 736, 455 



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



Natica clausa 1 647, 519 



dnplicata 646 



flava 518 



lieros 646 



immaculata 646, 517 



pusilla 647, 417, 423, 426, 429 



triseriata 646 



Nassa fretensis 640 



liraata 645 



obsoleta 641 



tri vittata 641 



vibex 640, 371, 377, 479 



Nectonereis megalops 592, 440, 453 



Nematodes 634, 453, 455, 456 



Nomatonereis 594, 508 



Nemerteans 627, 324 



Nemertes obscura 628 



olivacea 628 



species 629 



Page. 



Nemertes socialis 628, 324, 332, 392 



viridis 628 



Nemopsis Bacbei 733, 454 



Gibbesi 733 



Nephtbys borealis 583 



bucera 583, 416, 422 



ciliata 583 



pieta 583, 348, 364, 422, 428 



ingens 583, 431, 434, 507, 521 



Neptunea curta 638 



pygmasa 639, 508, 518 



Nereilepas fncata 591 



Nereis ciliata 583 



cnprea 593 



fucata 591, 494 



grandis 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 



coniocepliala 602 



Nerocila nmnda 571, 459 



Nenroptera 543 



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



490 



Nicoraacbe .dispar 608, 508 



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



397, 410, 422, 453, 494 



Ninoe nigripes 595, 508 



Nogagus Latroillei 576, 457, 459 



tenax 577, 457, 459 



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

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



Notospernms viridis 628 



Nucula corticata 691 



delphinodouta 691, 509 



Gouldii 690 



limatula 689,518 



niinuta 690 



navicularis 690 



proxima 691, 418, 424, 432, 435, 



515, 518, 519, 520 



radiata 691 



sapotilla 689,518 



tennis ....691,518,519 



tenuisulcata 690 



thraciaeformis 690 



tbraciformis .690, 749 



