814 



INDEX 



Gell-colony, 50*, 66 



Cell-division, 17, 18 



Cell-plate, 17, 19* 



Cell-wall, 16* 



Cellepora, 347 



Cellulose, 14, 64, 67, 69, 72, 73, 78 



Cement glands, 270, 326 



Centipedes, 526, 614, 615 



Central capsule (Antedon), 409 



Central capsule of Radiolaria, 60 



Central nervous system of Medusa?, 151 



Centro-dorsal ossicle, of Antedon, 406 



Centrolecithal, 537, 219* 



Centrosome, 17* 



Cephalic apodeme, of Apns, 533 : Anta- 

 eus, 542 



Cephalopoda, 680, 759*. Examples, 759, 

 776 : Distinctive characters a.ui classi- 

 fication, 789 : Systematic position of 

 the examples, 790 : General organisa- 

 tion, 790 : External features, 790 : 

 Shell, 793: Internal skeleton, 796: 

 Gills, 797 : Osphradia, 797 : Co-lome, 

 797 : Alimentary organs, 797 : Heart 

 and vascular system, 797 : Nervous 

 system and sense-organs, 797 : Neph- 

 ridia, 798 : Sexes, 798 : Development, 

 798, 799, 800, 801, 802 : Distribution, 

 &c., 803 : Relationships, 804 



Cephalopodium, 761 



Cephalothorax, of Astacus, 541 



Cerata, 744 



Ceratella, 146 



Ceratella Jiisca, 145 



Ceratites nodosu*, 795 



Ceratium, 79 



Ceratosa, 126 



Cercaria, 244, 245* 



Cerci, 623 



Cerebral organ, 294*, 495 



Cerianthus, 200, 202 



Cervical fold, of Apus, 527 



Cervical glands, 306 



Cervical groove, of Astacus, 541 



Cervical sclerites, 622 



Cestida, 221*, 223 



Cestoda, 253*, 261, 262, 263, 264, 266, 

 268, 269, 270, 273, 279, 280, 281, 282, 

 285, 286, 287, 288: Example,. 245 



Cestus veneris, 223 



Cetonia aurata, 316 



Chseta, 440 See Seta 



Chcetoderma, 713, 715, 716, 717, 718 



Chcetogasta, 486 



Chajtognatha, 297*, 316 : External char- 

 acters, 316 : Body- wall, 316 : Fnteric 

 canal, 317 : Ccelome, 317 : Nervous 

 system, 317 : Sensory organ?, 318 : 

 Reproduction, 318: Development, 

 318 



Chcetonotus, 336 



Chatopterus, 469, 481 



Chcetosoma, 319 



Chwtosomidw, 319* 



Chatopoda, 439 : Examples, 440, 454 j 

 Distinctive characters and classifica- 

 tion, 464 : Systematic position of ex- 

 amples, 466 : General organisation, 

 467 : General form, 467, 468 : Para- 

 podia and setw, 468, 469, 470 : Bran- 

 chiae, 471: Body-wall, 473: C<flomo, 

 474 : Enteric canal, 475 : Blood- 

 vessels, 476 : Nervous system, 476 : 

 Organs of special sense, 478 : Organs 

 of excretion, 479, 480, 481 : Phosphor- 

 escence, 481 : Reproductive organs, 

 481 : Development, 483, 485 : Asexual 

 reproduction, 486, 487 : Mode of life, 

 &c., 488: Appendix, 489 



ChcKto&omidve, 319 



Chalk, 56 



Charybd<ra marawpialis, 181 



Cheilostomata, 347*, 348,349, 351, 35-2, 

 354 



Chelse, 543* 



Chelicerse, 653*, 662, 664, 665, 666 



Chelifer braraitii, 662 



Chelipeds, 543* 



Chilaria, 666 



Chi Una, 745 



Chilognatha, 615*, 617, 618 



CMlopoda, 615*, 616, 617, 618 



Chironomus, 644 



Chitin, 31, 46* 



Chiton, 680, 713, 714, 715, 717, 718, 719, 

 720 



Chitonellus, 714 



Chlamydomyxa, 64, 65 



Chlorfemidie, 475 



Chloragen cells, 458 



Chlorophyll, 14, 58, 65, 68, 72, 78, 119 



Choanocytes, 107, 108, 109*, 111 



Choanoflagellata, 69* : General structure, 

 77 : Collar, 77 : Colonies, 77, 78 : Re- 

 production, 78 



Chcetopterus, 469 



Chondracanthus, 564, 575, 576 



Chordotonal organ, 645 



Chorion, of Cephalopoda, 798 : of Insects, 

 628 



Choristida, 126 



Chromatin, 16*, 17 



Chromatophores, Actinosphcerium, 57, 58 : 

 Chlamydomyxa, 65 : Flagellata,71, 72: 

 Dinoflagellata, 78, 79 : Sepia, 762 : 

 Cephalopoda, 793 



Chromosome, 17, 18* 



Chrysalis, 651 



Cicada, 634, 646 



Cicatrix, 776 



Cidaris, 426 



Cilia, 23* 



Ciliary flames, 269 



Ciliary process, 771 



Ciliata, 91* : Form of body, 92, 93, 9- 

 95, 96, 97, 98: Stalk, 92, 96, 97 



