INDEX 



rci 



Corpuscles, 28 : amoeboid, 28 



Cortex, of Paramcecium, 79 : .Sponges, 

 102, 110 



Coryomorpha, 137 



Couplers, 530 



Covered-budded Hyclroids, 133" 



Cowries, 684 



Coxal glands, of Peripatus, 562 : of Scor- 

 pion, 609 ; of Araclmida, 618 



Crabs, 537, 540, 541, 549, 553, 556 



Crane-flies, 586 



Grangon, 523, 538 



Crania. 337, 339 



Crayfish, 498 



Crayfishes, 537, 550, 554 



Cretaceous, 7 



Crinoidea, example, 373 : Distinctive 

 characters and classification, 380 : 

 Modifications of form, 391 : Co?lome, 

 392 : Ambulacra] system, 393 : Blood- 

 vascular system, 394 : Enteric canal, 

 394 : Nervous system, 395 : Reproduc- 

 tive organs, 395 : Development, 398 : 

 Ethology, 399 



Crioceris, 587 



Crisia, 320 



CristateUa, 321, 323 



Crop, 30 



Crustacea, 484 : Example a, 484 : Ex- 

 ample h, 498 : Distinctive characters 

 and classification, 519 : Systematic 

 position of the examples, 524 : General 

 organisation, 525 : External characters 

 and structure of appendages, 525 : 

 Texture of the exoskeleton, 547 : Body- 

 cavity, 547 : Enteric canal, 547 : Res- 

 piratory organs, 548 : Heart, 550 : 

 Excretory organs, 550 : Nervous 

 system, 550 : Sense-organs, 551 : Re- 

 production, 551 : Development, 551 : 

 Ethology, 554 : Affinities and mutual 

 relationships, 556 : Appendix, 558 



Cryptomonas, 66 



Cryptonisqus, 546, 547 



Crystalline style, 636: of Gastropoda, 

 692 



Ctenaria, 139 



Ctenidium, 645, 646, 653, 664, 665 : of 

 Triton, 676 : of Gastropoda, 693 



Ctenophora, 118*, 198: Example, 198: 

 Distinctive characters and classifica- 

 tion, 207 : Systematic position of the 

 example, 208 : General organisation, 

 209, 210, 211 : Appendix, 212 : Re- 

 lationships, 214, 215 



Ctenoplana, 212, 266 



Ctenopteryx, 738 



Ctenostoniata, 320", 321 



Cuboinedusae, 164", 166 



Citc'innaria See Colochirus 



Cuhx, 590 



< '/nua, 524 



Cumacea, 524", 543 



Cii'iiarcha, 143 



Cuniua, 155 



Cuniiut parasiticd, 144 



Cup-coral, 192 



Cnrsoria, 5S7 



( 'uticle 29* 



Cuttle-fish, 631, 708, 736 



Cuvier, 3 



Cuvieran organs, 394 



Cyamus, 524, 545, 546 



Cyelas, 66u 



Cyclop*, 522, 528, 529, 550, 551 



Cyclostomata, 320 



Cydippida, 208", 209 



< 'ymothod, 551 



Cy mot hoe, 52*, 546 

 Cynipidce, 598 

 Cyprasa, 687 

 Cypris, 521, 527, 528, 550 



< 'i/jiris stage, of Cirripedes, 552 

 Cyst, of Amuba, 44 : Euyhna, 64 

 Cysticercoitt, 260, 261 



< 'i/x/ii-i rciis, 236, 261 



Cystoflagellata, definition, 65 : Charac- 

 teristic features, 74 



Cystoidea, 380 



Cy there, 521, 527, 528 



Cytoplasm, 15 



D 



D 



"ACTYLOPORES, of MiUepora, 145 



Stylaster, 147 

 Dactylozooids, 138*, of MiUepora, 146 : 



Stylaster, 147 : Halistemma, 148, 149 

 Daddy long-legs, 586 

 Dahlia wartlet, 172, 173 

 I)lliii<ji >/', 66 

 ])<(hnaniteii sociali*, 558 

 /'(iphuia, 521, 526, 527 

 Darwin, 6 

 Dasychone, 438 

 Daughter-cell, 18 

 Daughter-chromosomes, 1 6 

 Daughter-cysts, 262 

 Daughter-nucleus, 17 

 Daughter-segments, 16 

 Day-flies, 592 

 Dead men's fingers, 182 

 Decapoda, 523", 537, 548, 550, 551 

 Decapoda (Cephalopoda), 736*, 738, 74" 

 Degeneration, in Copepoda, 530 : in Cir- 



ripedia, 534 : in Isopoda, 547 

 />< /'n/tea, 209, 210 

 />i ndrocielum See Planaria 

 Dendrocometes, 71 

 Dendrophyllia, 194 

 Dendrosoma, 91, 92 

 Dentnlium, 705, 706, 7"7 

 Derm (dermis), 29* 

 Dermal branchiae of Echinoidea, 389 

 Dermal branchiae, 347, 393 



