INDEX 



sir, 



Arrangement of cilia, 02, 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 



CMtelta, 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, 

 303 : Rotifera, 327 : Polyzoa, 347 : 

 Brachiopoda, 366 : Echinodermata, 

 410 : Chsetopoda, 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 



Glavatella, 145 



Clavulee, 417* 



Cleaning foot, 581 



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



Cliona, 122, 126 



Clitellum, 455, 468, 509 



Cloaca, 249 



Clypeaster subdepressus, 423 



Clypeastridea, 412*, 417, 423 



Clypeus, 620*, 637 



Cnidoblast, 133* 



Cnidocil, 133, 134* 



Coccidce, 647 



Coccidiidea, 81* : Characteristic features, 

 83, 84, 85 



Coccidium, 83, 84, 85 



Coccoon, 463, 483 



Cockchafer, 643 



Cockles, 680, 696, 698 



Cockroach See Periplaneta 



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

 648, 653, 656, 658 



Cocoa-nut crab, 569 



Codomlla, 94 



Coelenterata, Classes, 128 : Examples, 

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

 229: Appendix, 230 : Relationships to 

 Sponges, 228 



Cceliac canal, 407 



Cuelome and body-cavity, of Axcai-t*, 

 301 : Nematoda, 307 : Acanthocephala, 

 313 : Chsetognatha, 317 : Jitit/ii/a, 343 '. 

 Endoprocta, 354 : Phoronis, 356 : 

 Magellania, 365: Axferia*, 381: Sea 

 urchin, 399 : Sea-cucumber, 403 : 

 Antedon, 407 : Echinodermata, 425 : 

 Nereis, 442 : Cluetopoda, 474: Sipitn- 

 cidus, 493 : Gephyrea, 498 : Apm, 

 533: Crustacea, 593 : Peripatiix, 60S : 

 Insecta, 640: Aitodonta, 684: Am- 

 phineura, 715 : Sepia, 766 : Cephalo- 

 poda, 797 



Ccelomoducts, 439, 480 



Coeloplana, 225, 286 



Ccenenchyma, 207* 



Coenosarc, 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 



Colfozoum, 61, 63 



COLOCHIRUS, 401 : General external fea- 

 tures, 401 : Structure of body-wall, 

 402 : Ambulacral system, 402 : Nerve - 

 ring, 402 : Perihsemal and h%mal 

 systems, 402 : Cct-lome, 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 : 

 Leptolimv, 143 : Actinozoa, 197 : Poly- 

 zoa, 340 : Bugula, 341 : Ectoprocta, 

 348 : Endoprocta, 355 



Colpoda, 98 



Columella, of Coral, 205* : of Triton, 

 722 



Column, 1S5* 



ComatulcB, 434, 435 



ComatulidcB, 415 



Comb-jellies, 128 



Combs, of Hormiphora, 211*, 212 



Comb-ribs, 213* 



Commensalism, in Sponges, 126: ////- 

 dractinia, 144 : Actinozoa, 208 : 

 Platyhelminthes, 284: Chaetopoda, 488 : 

 Crustacea, 602 



Complemental males, 597 



Conchiolin, 683* 



Conchostraca, 563*, 569 



Condylotstoma, 94 



3 F 2 



