816 



INDEX 



Cone, of Coronata, 179 

 Cones, 733 



Conjugation of Amseba, 47: Foraminifera, 



56 : Heliozoa, 60 : Cystoflagellata, 79 : 



Ciliata, 99 : Flagellata, 75 : Para- 



m(ecium, 90 



Connective tissue, 25* : Gelatinous, 25, 



26 : Fibrous, 25 : Retiform, 25, 26 

 Connective tissue cells of Sponges, 1 1 1 

 Contractile vacuole, 11*, 13, 47, 66, 68, 



77, 88, 89 

 Contractility of muscles, 28, 37* 

 Conns, 749 

 Convoluta, 255, 265 

 Copepoda, 564*, 573, 593, 594, 596, 597, 



598 

 Coral, Aporose, 207* : Black, 195 : Blue, 

 195 : Fossil, 210 : Organ pipe, 195 : 

 Perforate, 207*: Red, 195, 210: Reef- 

 building, 210 : Stony, 195 

 Coral limestones, 210 

 Coral reefs, 159, 210 

 Corallines, 340 

 Corallite, 128, 205* 



Corallium, 195, 197, 198, 203, 208, 210 

 Corallum, 205* 

 Gordylophora, 167 

 Cornea, 771 : false, 771 

 Corona, of Folyzoa, 344 : Sea-urchin, 



396 

 Coronary groove, 176, 179* 

 Coronata, 176*, 179, 180 

 Corpuscles, 30 : amoeboid, 30 : Miescher's 



or Rainey's, 88 

 Cortex, of Aclinosphverium, 57, 58 : 

 Monocystis, 80 : Paramecium, 88, 

 89: Sponges, 111, 119 

 Corymorpha, 145, 146 

 Couplers, 573 



Covered-budded Hydroids, 143 

 Cowries, 733 

 Coxa, 622 



Coxal glands, Peripatus, 609 : Scor- 

 pion, 658 : Arachnida, 667 

 "NCrabs, 526, 569, 587, 590, 593, 595, 596, 

 599, 603 

 Crane-flies, 635 

 Grangon, 569, 588 

 Crania, 366, 368 

 Crayfish, 539 — See Astacus 

 Crayfishes, 526, 569,~587, 596, 600 

 Cretaceous, 7 

 Crickets, 636 



Crinoidea, example, 405 : Distinctive 

 characters and classification, 413 : 

 Apical system, 417 : Modifications of 

 form, 424 : Coelome, 425 : Ambnlacral 

 system, 426 : Blood-vascular system, 

 427 : Haemal system, 427 : Axial organ, 

 428 : Enteric canal, 428 : Nervous 

 system, 429 : Reproductive organs, 

 429 : Development, 430 : Ethology, 

 434 



Crioceris, 635 

 Crisia, 347 

 Crista acustica, 772* 

 Cristatella, 348, 350 

 Crop, 32 



Crown, of Coronata, 179 

 Crustacea, 526, 678 : Example a, 526 : 

 Example ft, 539 : Distinctive characters 

 and classification, 561 : Systematic 

 position of the examples, 569 : General 

 organisation, 570 ; External characters' 

 and structure of appendages, 570 : 

 Texture of the exoskeleton, 593 : Body- 

 cavity, 593 : Enteric canal, 593 : Re- 

 spiratory organs, 594 : Heart, 596 : 

 Excretory organs, 596 : Nervous 

 system, 596 : Sense-organs, 597 : Re- 

 production, 597 : Development, 597 : 

 Ethology, 600 : Affinities and mutual 

 relationships, 602 : Appendix, 604 

 Cryptocephala, 465*, 468, 475, 476, 484, 



488 

 Cryptomonas, 71 

 Cryptoniscus, 586, 587 

 Cryptozonia, 411*,H14 

 Crystalline style, 685 : of Gastropoda, 



744 

 Ctenaria, 150, 227 

 Ctenidium, 685, 687, 688, 702 : of Triton. 



725 : of Gastropoda, 742 

 Ctenodrilus, 503, 504 

 Ctenophora, 128, 211: Example, 211: 

 Distinctive characters and classifica- 

 tion, 220: Systematic position of the 

 example, 221 : General organisation, 

 222, 223, 224 : Appendix, 225 : Re- 

 lationships, 226 

 Ctenoplana, 225, 286 

 Ctenopteryx, 791 



Ctenostomata, 348*, 350, 351, 353 

 Cabomedusse, 176*, 180, 181 

 Cucumaria planci, 401 

 Cucumaria — See Colochirit* 

 Culex, 586, 634, 638 

 Cama, 567 



Cumacea, 567*, 583, 594, 603 

 Cunarcha, 154 

 Cunina, 167 

 Cunina parasitica, 156 

 Cup-coral, 205 

 Cursoria, 636 

 Cursoria, 636 

 Cuspidaria, 696 

 Cuticle, 31* 



Cuttle-fish, 680, 759, 790 

 Cuvier, 3 



Cuvieran organs, 428 

 Cyamus, 568, 586 

 Cyanea arctica, 182 

 Cyclas, 710 

 Cyclidium, 94 



Cyclops, 564, 573, 574, 596, 597 

 Cyclostomata. 347*, 349, 352, 354 



