792 



INDEX 



Ccelome and body cavity, of Ascaris, 

 295 : Nematoda, 301 : Acantho- 

 cephala, 307: Chsetognatha, 311 

 Buguli, 336 : Endoprocta, 347 

 Phoronis, 349 : Maqetlania, 358 

 Asterias, 373 : Sea-urchin, 392 

 Sea-cucumber, 394 : Antedon, 398 

 Echinodermata, 416 : Nereis, 432 

 Chsetopoda, 463 : Sipuncidus, 486 

 Gephyrea, 488 : Apus, 521 : Crus 

 tacea, 578 : Peripatus, 592 : Insecta 

 625 : Anodonta, 667 : Amphineura 

 697 : Sepia, 745 : Cephalopoda, 773 

 Coelomoducts, 429, 469 

 Cfploplana, 221, 222, 282 

 Coenenchyma, 205* 

 Ccenosarc, 132* 



Coleoptera, 620*, 624, 630, 632, 637 



Collar of choanoflagellata. 79, 80 



Collared cells, 108, 110*, 112 



Collared monads, 79, 80 



CoUembola, 616* 



Collencytes, 108, 112* 



Colleterial glands, 612 



Collozoum, 63, 65 



COLOCHIRUS, 393 : General external 

 features, 393 : Structure of body- 

 wall, 394 : Ambulacra! system, 394 : 

 Nerve-ring, 394 : Perihaemal and 

 haemal systems, ?94 : CcBlome, 394 : 

 Enteric canal, 395 : Reproductive 

 organs, 396 : Development, 396 : 

 Systematic position, '406 



Colony, 41* : of Foraminifera, 53 : 

 Heliozoa, 59 : Radiolaria, 63 : 

 Flagellata, 75, 76 : Choanoflagellata, 

 80 : Ciliata, 98 : Tentaculifera, 103 : 

 Obelia, 130: Leptolime, 143 : Actino- 

 zoa, 195 : Polyzoa, 333 : Bugula, 334 : 

 Ectoprocta, 341 : Endoprocta, 348 



Colpoda, 99 



Columella, of Coral, 202* : of Triton, 

 703 



Column, 185* 



Comatidce, 425, 426 



Comatulidce, 406 



Comb -jellies, 129 



Comb-ribs, 210* 



Combs, of Hormiphora, 208*, 209, 210 



Commensalism, in Sponges, 127 : Hy- 

 dractinia, 147 : Actinozoa, 205 : 

 Platyhelminthes, 279 : Chaetopoda, 

 476 : Crustacea, 586 



Complemental males, 582 



Conchiolin, 666* 



Conchostraca, 550* 



Condylostoma, 96 



Cone, of Coronata, 178 



Cones, 714 



Conjugation, 61* : of Amceba, 47 : 

 Foraminifera, 56 : Heliozoa, 61 : 

 Flagellata, 79 : Cystoflagellata, 82 : 

 Paramoecium, 92 : Ciliata, 100 



Connective tissue, 27* : Gelatinous, 

 27: Fibrous, 27: Fatty, 27, 28: 

 Retiform, 27 



Connective tissue cells of Sponges, 112 



Contractile vacuole, 10, 12*, 13, 14, 46, 

 47, 88, 70, 79, 80, 91 



Contractility of muscles, 29, 38* 



Conus, 730 



Convoluta, 251- 260 



Copepoda, 550*, 559, 578, 579, 581, 582, 

 583 



Copromonas subtili.*, 77, 78 



Copulation, 50*, 78 



Coral, Aporose, 205* : Black, 193, 207 : 

 Blue, 1 93, 205 : Fossil, 208 : Organ 

 pipe, 193, 195 : Perforate, 205* : 

 Red, 193, 201, 207 : Reef -building, 

 207 : Stony, 129, 193, 199 



Coral limestones, 207, 208 



Coral reefs, 159, 207 



Corallines, 129, 333 



Corallite, 202* 



Corallium, 193, 195, 196, 201, 205, 207 



Corallum, 204* 



Cordylophora, 166, 258 



Cornea, 750* : false, 749, 750* 



Corona, of Polyzoa, 338 : Sea-urchin, 

 388 



Coronary groove, 175, 177, 178* 



Coronata, 175*, 177, 178, 179 



Corpuscles, 30 : amosboid, 30 : Mie- 

 scher's or Rainey's, 90 



Cortex, of Actinosphcerium, 58, 59 : 

 Monocystis, 82 : Paramoecium, 90, 

 91 : Sponges, 111, 119, 120 



Corymorpha, 145, 148 



Couplers, 561 



Covered-budded Hydroids, 144 



Cowries, 714 



Coxa, 606 



Coxal glands, Peripatus, 593 : Scor- 

 pion, 642 : Arachnida, 651 



Coxal organs, 593 



Crabs, 515., 555, 572, 575, 578, 580, 581, 

 585, 589 



Crane-flies, 620 



Crangon. 573 



Crania, 359, 360 



Crayfish, 527 See Astacus 



Crayfishes, 515, 555, 572, 580, 585 



Cretaceous, 7 



Crickets, 621 



Crinoidea, 368, 404* : Example, 396 : 

 Distinctive characters and classifica- 

 tion, 404 : Apical system, 409 : Modi- 

 fications of form, 415 : Coelome, 416 : 

 Ambulacral system, 417 : Blood- 

 vascular system, 418 : Hsemal sys- 

 tem, 418 : Enteric canal, 419 : Ner- 

 vous system, 420 : Reproductive 

 organ?,' 421 : Development, 421 : 

 Ethology, 425, 426 

 Crioceris, 620 



