816 



INDEX 



Cone, of Coronata, 179 

 Cones, 733 



Conjugation of Amveba, 47: Foraminifera, 



56 : Heliozoa, 60 : Cystoflagellata. 79 : 



Ciliata, 99: Flagellata, 75: Para- 



mcecium, 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* 

 Oonus, 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* 

 Cordylophora, 167 

 Cornea, 771 : false, 771 

 Corona, of Polyzoa, 344 : Sea-urchin, 



396 



Coronary groove, 176, 179* 

 Coronata, 176*, 179, 180 

 Corpuscles, 30 : amoeboid, 30 : Miescher's 



or Rainey's, 88 



Cortex, of ActinospJuerium, 57, 58 : 

 Monocystis, 80 : Paranuvcinm, 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 

 Crabs, 526, 569, 587, 590, 593, 595, 596, 



599, 603 

 Crane-flies, 635 

 Crangon, 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 : Ambulacral 

 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, 55 

 Example b, 539 : Distinctive character 

 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 :j 

 Ethology, 600 : Affinities and muti 

 relationships, 602 : Appendix, 604 



Cryptocephala, 465*, 468, 475, 476, 

 488 



Cryptomonas, 71 



Cryptoniscus, 586, 587 



Cryptozonia, 411*, 414 



Crystalline style, 685 : of Gastroj 

 744 



Ctenaria, 150, 227 



Ctenidium, 685, 687, 688, 702 : of Triti 

 725 : of Gastropoda, 742 



Ctenodrilus, 503, 504 



Ctenophora, 128, 21 1 : Example, 2] 

 Distinctive characters and classific 

 tion, 220: Systematic position of tl 

 example, 221 : General organisatic 

 222, 223, 224: Appendix, 225: ~ 

 lationships, 226 



Ctenoplana, 225, 286 



Ctenopteryx, 791 



Ctenostomata, 348*, 350, 351, 353 



Cabomedusae, 176*, 180, 181 



Cucumaria planci, 401 



Cucumaria See Colochirit* 



Culex, 586, 634, 638 



Citma, 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 



Cydas, 710 



Cydidium, 94 



Cydops, 564, 573, 574, 596, 597 



Cyclostomata. 347*, 349, 352, 354 



