148 



THE LIFE OF THE MOLLUSCA 



Conus ponderosus, vii. 

 Conus tesselatus, vii. 

 Cophinoceras Eifelense, xxii. 

 Coralliophaga, 54, 81, 134 

 Coralliophaga coralliophaga, xxxii. 

 Coralliophila, 81 

 Corbicula consobrina, xviii. 

 Corbula sulcata, xix. 

 Corburella, 49 

 Cosmoceras spinosum, xxii. 

 Cowry. See Cyprcea. 

 Craspedochilus cinereus, Embryo, 



xxix. 

 Crassatella, 64 

 Crassatella pulchra, xviii. 

 Cremnoconchus, 59 

 Cmfs acicula, xxvi. 

 Crioceras, 38 

 Crioceras cristatum, xxii. 

 Cryptochiton, 102 

 Cryptoplax, 102 

 Cryptoplax : radula, iii. 

 Cryptoplax larvceformis, ix. 

 Ctenidium, 7 

 Ctenodonta, 45 

 Cuspidaria cuspidata, xx. 

 Cuspidariidae, 35 

 Cuvieria, 61 



Cuvieria columnella, xxvi. 

 Cyclonema, 45 

 Cyclophoridas, 60, 73 

 Cyclophorus involvulus, x. 

 Cyclostomatidae. See Poma- 



tiidae, 

 Cylindrites acutus, xii. 

 Cylindrobullina, 47 

 Cymatium olearium, xxviii. 

 Cymba, 88 

 Cymbulia, 61 



Cymbulia proboscidia, xxvi. 

 Cyprcea (Cowry), 2, 21, 63, 97 

 Cyprcea A Igoensis, x. 

 Cyprcea capensis, v. 

 Cyprcza guttata, 144 

 Cyprcea moneta, 142 

 Cyprcea testudinaria, xxvi. 

 Cyprina, 63 



Cyprina Islandica, xviii. 

 Cyrenidae, 49, 58 



Cyrtodaria, 63 

 Cyrtodonta, 45 

 Cyrtolites, 45 



Daudebardia bnvipes, xiii. 



Dawsonella, 47 



Decapoda, 42 



Delphinula laciniata, ix. 



Dendronotus j 'rondo sus, 123, xii. 



Dendropupa, 47 



Dentaliidas (Elephant's - Tusk 



Shells), io, 26 

 Dentalium, 26, 47, 55, 95, 142 

 Dentalium, structure of, xv. 

 Dentalium elephantinum, xv. 

 Dentalium leptoskeles, 56 

 Dentalium Tarentinum, Embryo, 



xxix. 

 Despoenidae, 60 

 Development of Embryo, 92 

 Dextral shells, 18 

 Diaphora tuba, 98 

 Dibranchia, 40, 42, 127, 132 

 Dibranchiate Cepbalopod shells 



compared, xxiv. 

 Dimyaria, 34 

 Dipsaccus spiratus, xi. 

 Diseases caused by Mollusca, 



143 



Dispersal of Mollusca, 83 e / s«gf . 



Distribution, 51 



Distribution: Land "Regions," 

 66 



Distribution : Marine " Pro- 

 vinces," 62 



Diwara, 142 



Docoglossa, 10, 24 



Dog- Peri winkle. See Purpura. 



Dog- Whelk. See Nassa. 



Dolabella Rhumphii, v., xii. 



Dolium, 94 



Dolium perdix, ii. 



Dolium galea, x. 



Donax, T19 



Donax denticulatus, xviii. 



Doris, 74 



Dosinia exoleta, xix, 



.Dofo, 122 



Dtfifo coronata, 123 



