622 



INDEX. 



Page. 



Natica (Luuatio) occidental'!* 315 



. Natica (Lunaiio) sulicrassa 31t5 



NaMca Moreanensis 314 



Natica obliquata 314, 315 



Nation occidenialis 315 



Natica paludinmformis 318 



Natica rcciihibrnm 314, 31f> 



Xatica segararitina 313 



Natica subcrassa ." 316 



Natica Tuomeyana 331, 332 



N.lTICIDiE 309 



Naticopsis f Tuomeyana 332 



Nauta 540 



Nautiud.e 489 



Nautilina 535,53(5 



Nautilus 489, 41)0 



Nautilus Bouchardianus 497,498 



Nautilus coronatus .490,492 



Nautilus (cryploceras) spiniger 491 



Nautilus Dekayi 496 



Nautilus Dekayi 49? 



Nautilus Dekayi, var. Montauaensis 498 



Nautilus elegans 499 



Nautilus elegans 500 



Nautilus elegans, var. Nebrasct nsis 499 



Nautilus Geinitzi 491 



Nautilus lamgatus 497 



Nautilus orbioulatus 491 



Nautilus Orbignyanus 497 



Nautilus ParMnsoni 491 



Nautilus .' perl at us 496 



Nautilus planitnrgatus 491 



Nautilus pompilius 489 



Nan tilus pseudo-elegans 500 



Nautilus sphmricus 497 



Nautilus Slygialis 491 



Nesera * 237 



Ni ara euspidata 239 



Ncrera Moreauensis 239 



Nesera veutricosa 238 



Xcara 2:'.7 



Nclio 98 



Nemocardium 167 



Xi niocariliiim 173 



Nemodou 81 



Ni modon 83 



Nemodou Eufalensis 81 



Nemodou Bulcatinus 82 



fNeptunclla 343 



?Neptunella 344 



Nirita cancellata 329 



Neritopsis 331 



Nicea 511 



Nieea 514 



A lorn ia 329 



Noctia 9] 



Nbdularia r.i-j 



Nucula t)s 



Page. 



Nucula 99, 103, 104, ins 



Nucula cancellata ^ 102 



X inula dirarica ta 98 



Nucula Evansi Ill 



Nucula filarial is 107 



Nucula Hmsendonkii 107 



Nucula li mat ul a In7 



Nucula obsoletistriata 100 



Nucula obtusa 101 



Nucula parva 99 



Nucula pectinala - 103, 107 



Nucula planiniarginata 101 



Nucula Baymondi 100 



Xiicii la scapha 109 



Nucula scitula 110 



Nucula subplaua 99 



Nucula ventricosa 110, 112 



Nuciilaua 103 



Nuculana 103,104,105,106,107,108 



Nuculaua bisulcata 104 



Nuculana emarginata 103, 106 



Nuculana equilateralis 10i> 



Nuculana subnasuta 105 



Nuculana ciutu 104 



NucuuBiE 98 



Nuculites 104 



Nuculocardia divaricata 75 



Xux 525 



O. 



Obliquaria 511 



Obovaria 511 



Obo varia 514 



Odoutobasis 351 



Odontobasis constricta 352 



Odoutobasis ventriosa 354 



Oligoptych 



Omphalia 469,532 



Oinphiscola 533 



Orbicula 295 



Orthonym.ua 512,514 



Ostracitcs '. 10 



Ostraites 10 



Ostraites mysticus 20 



Ostrea 10,11,500 



Ostrea 19,68 



Ostrea biauriculata 21 



Ostrea carinata 11 



Ostrea congesta 13 



Ostrea convexa 20 



Ostrea crenulata 15 



Ostrea cristagalli 11 



Ostrea deltoidea 20 



Ostrea cdulis 10, 11 



Ostrea falcata 15 



Ostrea Georgiana 12 



Ostrea glabra 509 



i ist rea (Gryphasa .') patina 16 



Ostrea (Gryphoeostrea ' subalata 15 



