382 



INDEX. 



Blastoidea, 139 



Blastopore, xi 



Blastostyle, 83 



Blastula, Ix 



Bleeding tooth, 323 



Blood-corpuscles, xii 



Bloody clam, 268 



Bodo, 33 



Body whorl, 287 



Bolina, 110 



Bonellia, 331 



Bony tissue, xiii 



BothriocephalidiE, 201 



Bothriocephalus, 211 



Brachiata, 140 



Brachiolaria, 155 



Brachionidae, 205 



Brachiouus, 205 



Brachiopoda, 244 



Brain, xxvi, xxviii 



Brain-coral, 119 



Brain-stones,. 119 

 Brain, weight of, xxviii 

 Branchiobdella, 235 

 Breynia, 174 

 Brisinga, 157 

 Brisiugidae, 157 

 Brissina, 175 

 Brissus, 176 

 Brit, 359 

 Bryozoa, 236 

 BuccinidBB, 331 

 Buccinum, 332 

 Bugula, 241 

 Bulimus, 314 

 Bulla, 302 

 BuUidse, 302 

 Bursaria, 38, 41 

 Bushy sea-slug, 299 

 Byssoarca, 268 1 

 Byssus, 253 

 Bythinia, 339 



Caberea, 241 

 Oseoum, 344 

 Calceolidse, 247 

 Caloispongise, 61 

 Callista, 277 

 Calycozoa, 94 

 Calynere, 174 

 Calyptoblastea, 83, 87 

 Calyptrsea, 345 

 CalyptrseidsB, 345 

 Cake urchin, 171 

 Camaraphysema, 61 

 Cameos, 351 

 CampanularidEB, 83 

 Canals, 287 

 Cancellaria, 337 

 Cancellaridas, 337 

 Capitella, 227 

 Caprinella, 272 

 CaptopygTis, 173 

 Capulus, 346 

 Carchesium, 45 

 Cardiapoda, 355 

 Cardiidaj, 273 

 Cardium, 273 

 Carinaria, 355 

 C'aruiaridse, 355 

 CarneospongiEE, 63 

 Carrier shell, 326 

 Cartila§;inous tissue, xiii 

 Carychium, 306 

 Caryocystites, 139 

 CaryophyllsBus, 198 

 Cassidee, 351 

 Cassidaria, 352 

 Cassidula, 306 

 Cassldulidae, 173 



Casslopea, 89, 91 

 Cassiopeidae, 91 

 Cassis, 352 

 Caudina, 180 

 Caulaster, 161 

 Cavolina, 357 

 Cellar snail, 312 

 Cell-division, ix 

 Cellepora, 243 

 Celleporaria, 243 

 Celleporidset 242_ 

 Celleporina, 242 

 Cells, V 

 Cellularia, 241 

 Cellularidffi, 241 

 Cellularina, 241 

 Cephalodisous, 244 

 Cephalopoda, 360 

 Cephalophora, 287 



Cestus, 108 



Ceratium, 38 



Cercaria, 192, 193 



Cerehratnlus, 216 



Cerithidea, 348 



Cerithiidae, 347 



Cerithiopsis, 348 



Cerithium, 348 



Cestoda, 198 



Cestods, 198 



Chaetodermae, 292 



Chaetogaster, 223 



Chastognathi, 213 



Chaetonotus, 206 



Chastopoda, 219 



Chaetosoma, 214 



Chsetosomidae, 214 



Chaetospira, 42 



Challengerida, 12 



Chalinula, 65 



Chama, 272 



Chamidaj, 272 



Chiaja, 111 



Chilodon, 46 



Chilostomata, 241 



Chirodota, 180 



Chiroteuthis, 375 



Chiton, 293 



Chiton, red, 294 



Chlorangium, 37 



Choano-flagellata, 34 



Chondrilla, 63 



Chondropoma, 340 



Chorion, xliv 



Chromatophore, 365 



Chrysogor^a, 122 



Chyle, xxiii 



Chyle-stomach, xx 



Cidaridse, 165 



Cidaris, 166 



Cilia, 29 



Ciliata, 39 



Cilio-flagellata, 37 



Circulation, xxii 



Cirratulus, 227 



Cirrhoteuthis, 369 



Cistenides, 225 



Cladodaotyla, 182 



Clam, 280 



,, bear's-paw, 273 

 ,, giant, 273 

 „ hard-shell, 276 

 „ hen, 278 

 ,, razor, 282 

 „ round, 276 

 „ sea, 278 

 ,, aurf, 278 



Clathrulina, 13 



Clausilia, 316 



Clava, 79 



Cleodora, 358 



Clepsidrina, 23 



Cliona, 66 



Clione, 359 



Clionidae, 359 



Clitellio, 223 



Clymenella, 226 



ClypeastridsE, 170 



ClTOeaster, 171 



Cnidooells, 74 



Cnidocil, 74 



Cockles, 273 



Codonella, 42 



Codonoeca, 33 



Codosiga, 34 



Cffilenterata, 72 



Coelom, xii, xx 



Ccelopleurus, 167 



Ccenurus, 201 



Colacium, 37 



Collosphaera, 10 



Collozoa, 11 



CoUozoum, 9 



Colobocentrotus, 169 



Colochirus, 181 



Colpodella, 36 



Columhellidaa, 335 



Columella, 287 



Columbella, 335 



Comatula, 142 



Comatulidae, 142 



Commercial sponges, 51, 64 



Composite type, xviii 



Comprehensive type, xviii 



Concentration of development, 59 



Conchifera, 252 



Concholepas, 335 



Cone-in-cone, 358 



Cones, 337 



Conida;, 336 



Connective tissue, xii 



Conularia, 358 



Contractile vacuole, 2 



Convoluta, 190 



Corals, 112 



Coral, brain, 119 



Coral islands, 125 



Coral, organ-pipe, 123 



Coral, red, 122 



Coral, ruby, 122 



Coralllum, 122 



Corbula, 87 



Cordylophora, 78 



Cornuspira, 15 



Correlation of organs, xiv 



Corymorpha, 81 



Cothurnia, 27, 45 



Couus, 336 



Cowries, 348 



Crambactis, 115 



Cranchia, 375 



Cranohiidae, 375 



Craspedota, 94 



Crania, 246 



Craniidae, 246 



Crenella, 267 



Crepidula, 345 



Creseis, 358 



Cribrella, 160 



Crinoidea, 139 



Crisia, 240 



Crisiadae, 240 



Cristatella, 243 



Cristatellidae, 244 



Crossaster, 160 



Crucibulum, 345 



Crumb-of-bread sponge, 66 



Cryptodon, 274 ' 



Crystalline cones, xxx 



Crystalline rods, xxx 



Crystalline style, 254 



