INDEX 



791 



ChcEtopterus, 458, 470 



Chceto-ioma, 313 



Chcetofsomidce, 313* 



Chalk, 59 



Charybdcea marsupialis, 179, 180 



Cheilostomata, 340*, 341, 342, 344, 

 345, 346 



Chelae, 530* 



Cheliceraj, 638*, 646, 648, 649, 650 



Chelifer bravaisii, 646 



Chelipeds, 530* 



Chilaria, 650 



Chilina, 726 



Chilognatha, 598* 



Chilopoda, 600*. 601 



Chironomus, 629 



Chitin, 32, 46* 



Chiton, 663, 694, 695, 696, 697, 700, 701 



Chitonellus, 695 



Chlamydomyxa, 65, 66 



Chlamydophrys stercorea, 52, 53, 54 



Chlorcemi'dce, 464 



Chloragen cells, 447 



Chlorophyll, 14, 59, 66, 70, 75, 120 



Choanocytes, 108, 109, 110*, 112 



Choanoflaecellata, 71* : General struc- 

 ture, 79 : Collar, 79, 80 : Colonies, 

 79, 80 : Reproduction, 80 



Chcetopterus, 458 



Ghondracanthus, 551, 561, 562 



Chordo tonal nerve-endings, 630 



Chorion, of Cephalopoda, 775 : of In- 

 sects, 612 



Choristida, 127 



Chromatin, 17*, 18, 20 



Chromatophores, Actinosphcerium, 58, 

 59 : Chlamydomyxa, 66 : Flagellata, 

 73, 74 : Dinoflagellata, 80, 81 : 

 Sepia, 741 : Cephalopoda, 770 



Chromidia, 20*, 49 



Chromidiosomes, 20* 



Chromioles, 17*, 19 



Chromosome, 18, 19* 



Chrysalis, 635 



Cicada, 619, 631 



Cicatrix, 755 



Cidaris, 417 



Cilia, 25* 



Ciliary flames, 263 



Ciliary process, 750 



Ciliata, 93* : Form of body, 94, 95, 96, 



97, 98, 99, 100 : Stalk, 94, 98, 99 : 

 Arrangement of cilia, 94, 96, 98 : 

 Undulating membranes, 94, 96 : 

 Meganucleus, 95, 96 : Micronuclei, 

 95, 96 : Contractile vacuole, 95, 96, 



98, 99 : Non-contractile vacuoles, 

 95, 96 : Trichocysts, 95, 96 : Diges- 

 tive apparatus, 96, 97 : Skeleton, 

 lorica, 96, 97, 98 : Operculum, 97, 

 98 : Colonies, 96, 97, 98, 99 : Re- 

 production, 99, 100 : Conjugation, 

 100, 101 



Ciliated chambers, 119 



Ciliated pits, 467* 



Cinclides, 186, 199 



Circulation See Vascular system 



Circulatory system See Vascular sys- 

 tem 



Cirri, 397*, 429 



Cirripedia, 551*, 578, 579, 581, 582, 

 583, 586, 587 



Cirrus, 237 



Cirrus sac, 245 



Cistella, 359, 360, 361, 362, 363, 364 



Cladocera, 550*, 557, 558, 581, 583 



Cladophiurse, 403* 



Class, 4* 



Classification, 3*, 5 : of Rhizopoda, 

 46 : Mastigophora, 69 : Sporozoa, 

 82 : Infusoria, 90 : Porifera, 

 112 : Hydrozoa, 141 : Scyphozoa, 

 175 : Actinozoa, 191 : Ctenophora, 

 217: Platyhelminthes, 248: Ne- 

 mertinea, 290 : Nematoda, 298 : 

 Rotifera, 321: Polyzoa, 340: 

 Brachiopoda, 359 : Echinodermata, 

 401 : Chsetopoda, 454 : Sipun- 

 culoidea, 488 : Hirudinea, 503 : 

 Crustacea, 548 : Insecta, 615 : 

 Arachnida, 615 : Pelecypoda, 676 : 

 Amphineura, 694 Gastropoda, 713 ; 

 Cephalopoda, 766 



Clathrina, 117, 120, 123, 125 



Clathrina bianco, , 123, 124, 125 



Clathrozoon, 148 



Clathrulina, 60, 61 



Clavatella, 145 



Clavulse, 408* 



Cleaning foot, 566, 567 



Clepsine, 504, 506, 507, 508, 509, 510 



Cliona, 123, 127 



Clitellum, 444, 457, 497 



Cloaca, 245 



Clypeaster subdepressus, 414 



Clypeastridea, 403*, 408, 413 



Clypeus, 603, 604*, 622 



Cnidoblast, 134* 



Cnidocil, 134* 



Coccidce, 632 



CoCCidiidea, 83* : Characteristic fea- 

 tures, 86, 87, 88, 89 



Coccidium, 86, 87 



Cockchafer, 628 



Cockles, 663, 678, 680 



Cockroach See Periplaneta 



Cockroaches, 514, 602, 617, 621, 624, 

 633, 634, 637, 640, 642 



Cocoa-nut crab, 555 



Cocoon, 452, 471 



Codonella, 96 



Ccelenterata, Classes, 129 : Examples, 

 129, 167, 183, 208: Relationships, 

 223-227 : Appendix, 227 : Rela- 

 tionships to Spongi-H, 226 



Cceliac canal, 399 



