Page. 



Cytherea gigantea, 216 



— occulta, 216 



Dentalid^;, 160 



Dentalium dentalis, 160 



— atlenuatum, . . 161 

 Donax fossor, 212 



— variabilis, 212 



— elevata, 212 



Dorid.e, 7 



Doris illuminata, 8 



Eolidia bostonicnsis, .... 9 



— di versa, 10 



— gymnota, 10 



Filurus dubius, 11 



Fusus bamfius, 148 



— bicolor, 148 



— cinereus, 1 45 



— decemcostatus, . . . . 145 



— harpularius, 146 



— islandicus, 144 



— imbricatus, 149 



— muricatus, 149 



— pyruloides, 147 



— rufus, 146 



— ventricosus, 144 



— scalariformis. 143 



— turrieulus, 149 



— tornatus, 148 



GASTEROPODA,.... 7 



Glycimeris siliqua, 246 



Gnathodon cuneatum, . . . 233 



— flexuosum, . . . 233 



Glandina truncata, 56 



Glaucid-e, 9 



Helicid^e, 25 



Helix albolabris, 26 



— alternata, 29 



— appressa, 27 



— arborea. 30 



— aspersa, 47 



— avara, 46 



— arriculata, 49 



INDEX. 



Page. 



Helix californiensis, 46 



— cellaria, 37 



— chersina, 44 



— clausa, 31 



— concava, 33 



— Columbiana, 46 



— corpuloides, 45 



— cumberlandiana, . . 47 



— dealbata, 46 



— dentifera, 34 



— diodonta, 34 



— egena, 45 



— electrina, 30 



— elevata, 36 



— exoleta, 27 



— fallax, 28 



— fuliginosa, 37 



— gularis, 46 



— hirsuta, 36 



— inflecta, 45 



— interna, 46 



— inornata, 39 



— intertexta, 38 



— indentata, 31 



— irrorata, 45 



— jejuna, 46 



— labyrinthica, 39 



— lasmadon, 47 



— ligera, 40 



— lineata, 44 



— major, 45 



— monodon, 35 



— minuta, 40 



— mitcrielliana, 45 



— multilineata, 41 



— nuttalliana, 46 



— oregonensis, 46 



— palliata, 33 



— porcina, 45 



— profunda, 42 



— perspective, 42 



— pennsylvanica, .... 41 



267 



Page. 

 Helix rufa, 44 



— sayi, 47 



— . septemvolva, 47 



— solitaria, 43 



— spinosa, 47 



— striatella, 43 



— subglobosa, 32 



— suppressa, 38 



— tridentata, 28 



— tliyroides, 29 



— townsendiana, .... 46 



— vancouvrensis, ... 45 



— wardiana, 46 



Helicinidje, 82 



Helicina fastigiata, 82 



— occulta, 82 



— orbiculata, 82 



— plicata, 82 



Janthina fragilis, 125 



Io fusiformis, 103 



Kellia rubra, 232 



Lacuna vincta, Ill 



— neritoidea, 112 



Lepad.e, 254 



Lepton fabagella, 243 



LlMACID.E, 20 



Limax agrestis, 20 



— campestris, 22 



— dorsalis, 22 



— flavus, 21 



— gracilis, 22 



Lima glacialis, 175 



— squamosa, ........ 1 75 



LlMNIAD^E, 59 



Limnea appressa, 74 



— apicina, 75 



— attenuata, 75 



— bulimoides, 75 



— caperata, 69 



— catascopium, .... 67 



— columella 72 



— desidiosa, 73 



