INDEX. 



293 



PAGE. 



Caribbean Province, . . .173 

 Caribbean Region, . . . 201 

 Cartilage, . " . . . . 58, 60 

 Cellules of Mliller, ... 74 

 Celtic Province, .... . 158 

 Central African Region, . 188 

 Central Asiatic Region, . 186 



Cephalopoda, 4, 5 



Chambered Shells, ... 29 

 Characteristic Fossil Gen- 

 era, 239 



Characteristic Genera, . .182 

 Chilian Region, . . . .198 

 Chinese Region, .... 187 



Chiton, 5 



Chromatophore, . . . 11, 70 



Circulation, 88. 



Classes, 4' 



Classification, 252 



Clausilium, 67 



Club, 64 



Cojlenterata, 2 



Collar, 9, 12 



Collecting, 270 



Color in Shells, . . . 25, 41 

 Columbian Region, . . .198 



Columella, 44 



Columellar Muscle, ... 67 

 Composition of Shells, . 16, 40 

 Conchifera, ...... 5 



Conchological Museums, . 150 

 Conchological Periodicals, 215 



Conchyolin, 40 



Copulation, . . 112, 118, 122 

 Coralline Zone, . . . .176 



Crop, 93, 100 ; 



Cuming's Collection, 150, 151 



Cups, 63 



Cuvier's System, . . 252, 253 

 Cyclobranchiata, .... 82 



Dactyloglossa, 255 



Dart, 121 



Decollated Shells, ... 23 

 Deep-Sea Zone, .... 177 i 

 Destroyed Organs, . . . 133 

 Development, 125 



PAGE. 



Development of Families, 



etc., 243 



Diameter, 45, 56 



Dibranchiata, 82 



Digestive Organs, ... 91 



Dimyaria, 68 



Dioecious, Ill 



Diotocardia, 256 



Distribution, 152 



Distribution in Time, . .216 

 Distr. of Land Shells, . .178 



Ditremata, .119 



Dredging, 272 



Duration of Life, . . .144 

 Echinodermata, .... 2 



Economic Uses, . . . .148 



Economy, ...... 134 



Eggs, ". . 114, 118, 123, 125 



Encephala, 4 



Epidermis, 19, 58 



Epiphragm, 86 



Erosion, 19 



Escutcheon, 57 



Exophallia, 116 



Eye, 75 



Family, 250 



Fecundation, . 112, 118, 125 



Feeling, 74 



Fins, 62 



Float, ........ 110 



Food, 136 



Foot, 9, 10, 65 



Forms of Shells, . . 13, 39, 43 

 Forms of the Operculum, . 51 

 Fossil Terr, and Fluv. Mol- 



lusks, 236 



Funnel, 62 



Gastropoda, 5 



Genus, 250 



Geographical Distribution, 152 



Geophila, 257 



Gill 83 



Gill's Classification, . . .263 



Gizzard, 101 



Gray's Groups, .... 254 

 Growth of Shells, ... 20 



