INDEX 



815 



Arrangement of cilia, 92, 94, 96 : Un- 

 dulating membranes, 92, 94 : Mega- 

 nucleus, 93, 94 : Micronuclei, 93, 94 : 

 Contractile vacuole, 93, 94, 96, 97 : 

 Non-contractile vacuoles, 93, 94 : 

 Trichocysts, 93, 94 : Digestive ap- 

 paratus,' 94, 95 : Skeleton, lorica, 94, 

 95, 96: Operculum, 95, 96: Colonies, 

 94, 95, 97 : Reproduction, 96, 97, 98 : 

 Conjugation, 99 

 Ciliated chambers, 118 

 Cinclides, 188, 201 

 Circulation See Vascular system 

 Circulatory system See Vascular system 

 Cirri, 405*, 439 

 Cirripedia, 565*, 593, 594, 596, 597, 598, 



601, 602 

 Cirrus, 240 

 Cirrus sac, 249 



Cixtella, 366, 368, 369, 370, 371 

 Cladocera, 564*, 572, 573, 596, 598 

 Cladophiurae, 411* 

 Class, 4* 



Classification, 3*, 5 : of .Rhizopoda, 47 : 

 Mastigophora, 69 : Sporozoa, 81 : In- 

 fusoria, 91 : Porifera, 112: Hydrozoa, 

 140 : Scyphozoa, 176 : Actinozoa, 193 : 

 Ctenophora, 220 : Platyhelminthes, 

 251 : Nemertinea, 295 : Nematoda, 

 j, 303 : Rotifera, 327 : Polyzoa, 347 : 

 Brachiopoda, 366 : Echinodermata, 

 410 : Chjetopoda, 464 : Gephyrea, 495 : 

 Hirudinea, 515 : Crustacea, 561 : In- 

 secta, 631 : Arachnida, 660 : Pelecy- 

 poda, 694 : Amphineura, 712 : Gastro- 

 poda, 732 : Cephalopoda, 789 

 Clathrina, 116, 120, 122, 124, 126 

 Clathrina blanca, 124, 

 Clathrozoon, 146 

 Clathrulina, 58 

 Claeatella, 145 

 | Clavulse, 417* 

 Cleaning foot, 581 



Clepsine, 516, 517, 518, 519, 521, 522 

 [ Cliona, 122, 126 

 ! Clitellum, 455, 468, 509 

 I Cloaca, 249 



j Clypeaster snbdepresstis, 423 

 : Clypeastridea, 412*, 417, 423 



Clypeue, 620*, 637 

 1 Cnidoblast, 133* 

 j Cnidocil, 133, 134* 

 j Coccidce, 647 

 Coccidiidea, 81* : Characteristic features, 



83, 84, 85 

 ! Coccidium, 83, 84, 85 



Coccoon, 463, 483 

 1 Cockchafer, 643 

 Cockles, 680, 696, 698 

 Cockroach See Periplaneta 

 Cockroaches, 526, 619, 633, 636, 638, 



648, 653, 656, 658 

 Cocoa-nut crab, 569 



Codonella, 94 



Coelenterata, Classes, 128: Examples 

 128, 168, 185, 211 : Relationships, 226- 

 229 : Appendix, 230 : Relationships to 

 Sponges, 228 



Cceliac canal, 407 



Ctelome and body-cavity, of Ascaris, 

 301 : Nematoda, 307 : Acanthocephala, 

 313 : Chaetognatha, 317 : Bugula, 343 : 

 Endoprocta, 354 : Phoronis, 356 : 

 Magellania, 365 : Asterias, 381 : Sea 

 urchin, 399 : Sea-cucumber, 403 : 

 Antedon, 407 : Echinodermata, 425 : 

 Nereis, 442 : Chsetopoda, 474 : Sipnn- 

 cuhis, 493 : Gephyrea, 498 : Apus, 

 533 : Crustacea, 593 : Peripatu*, 608 : 

 Insecta, 640: Anodonta, 684: Am- 

 phineura, 715 : Sepia, 766 : Cephalo- 

 poda, 797 



Ccelomoducts, 439, 480 



Coeloplana, 225, 286 



Crenenchyma, 207* 



Co3nosarc, 131* 



Coleoptera, 635*, 638, 640, 645, 647, 649, 

 653 



Collar of choanoflagellata, 77 



Collared cells, 107, 108, 109* 



Collared monads, 77, 78 



Collencytes, 107, 111* 



Colleterial glands, 628 



Collozoum, 61, 63 



COLOCHIRUS, 401 : General external fea- 

 tures, 401 : Structure of body-wall, 

 402 : Ambulacral system, 402 : Nerve- 

 ring, 402 : Perihaemal and haemal 

 systems, 402: Ccelome, 403: Enteric 

 canal, 403, 404 : Reproductive organs, 

 404 : Development, 404 : Systematic 

 position, 414 



Colony, 40* : of Foraminifera, 51 : 

 Heliozoa, 59 : Radiolaria, 61 : Flagel- 

 lata, 73 : Choanoflagellata, 78 : Ciliata, 

 97: Tentaculifera, 101: Obelia, 129: 

 Leptolinse, 143 : Actinozoa, 197 : Poly- 

 zoa, 340 : Bugula, 341 : Ectoprocta, 

 348 : Endoprocta, 355 



Colpoda, 98 



Columella, of Coral, 205*: of Triton, 

 722 



Column, 185* 



Comatulce, 434, 435 



Comatulidca, 415 



Comb-jellies, 128 



Combs, of Hormiphwa, 211*, 212 



Comb-ribs, 213* 



Commensalism, in Sponges, 126: Hy- 

 dractinia, 144 : Actinozoa, 208 : 

 Platyhelminthes, 284 : Chrctopoda, 488 : 

 Crustacea, 602 



Complemented males, 597 



Conchiolin, 683* 



Conchostraca, 563*, 569 



Condylostoma, 94 



3 F 2 



