814 



INDEX 



Cell-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 Apus, 533 : Aba- 

 cus, 542 



Cephalopoda, 680, 759*. Examples, 759, 

 776 : Distinctive characters <i.nl 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 : Ccelome, 

 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 Antaeus, 541 



Cerata, 744 



Ceratella, 146 



Ceratella Jusca, 145 



Geratites nodosw, 795 



Geratium, 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 



Chaeta, 440 — See Seta 



Chmtoderma, 713, 715, 716, 717, 718 



Chcetogasta, 486 



Chsetognatha, 297*, 316 : External char- 

 acters, 316: Body-wall, 316: Enteric 

 canal, 317 : Ccelome, 317 : Nervous 

 system, 317 : Sensory organs, 318 : 

 Reproduction, 318 : Development, 

 318 



Chcetonotus, 336 



Ghwtopterus, 469, 481 



Chcetosoma, 319 



Chd'tosomidre, 319* 



Chatopoda, 439 : Examples, 440, 454 ! 

 Distinctive characters and classifica- 

 tion, 464 : Systematic position of ex- 

 amples, 466 : General organisation, 

 467 : General form, 467, 468 : Para- 

 •podia and setae, 468, 469, 470 : Bran- 

 chiae, 471: Body-wall, 473: Calomc, 

 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 



Ck(Hosomid(t j , 319 



Chalk, 56 



Charybdiva marsupialis, 181 



Cheilostomata, 347*, 348, 349, 351, 352, 

 354 



Chela;, 543* 



Chelicera, 653*, 662, 664, 665, 666 



Chelifer bravaisii, 662 



Chelipeds, 543* 



Chilaria, 666 



Ch'dina, 745 



Chilognatha, 615*, 617, 618 



Chilopoda, 615*, 616, 617, 018 



Chironomus, 644 



Chitin, 31, 46* 



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

 720 



Chitonellus, 714 



Ghlamydomyxa, 64, 65 



Chloratmidw, 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 



Chondracanthiis, 564, 57- r >, 576 



Chordotonal organ, 645 



Chorion, of Cephalopoda, 798 : of Insects, 

 628 



Choristida, 126 



Chromatin, 16*, 17 



Chromatophores, ActinospJurrium, 57, 58 : 

 Ghlamydomyxa, 65 : Flagellata, 71. 72: 

 Dinoflagellata, 78, 79: Sepia, 762: 

 Cephalopoda, 793 



Chromosome, 17, 18* 



Chrj'salis, 651 



Cicada, 634, 646 



Cicatrix, 776 



Gidaris, 426 



Cilia, 23* 



Ciliary flames, 269 



Ciliary process, 771 



Ciliata, 91* : Form of body, 92, 93, 94, 

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



