INDEX 



635 



Colpidium, 137 ; C. colpoda, diagram of 

 conjugation, 149 ; nuclear relations in 

 conjugation, 151 



Colpoda, 137 ; C. cucullus, 1 53 ; brood- 

 fission in cyst, 147 



Columella, 370, 385 



Colunmals, 619 ( = Stem-ossicles, q.v.) 



Columnaria, 344 



Comatida = A ntedon, q.v. 



Comatulidae, 594\ 



Combs of Ctenophora, 141, 412 



Comitalia, 201 



Commensals, of Heliozoa, 73 ; of Radio- 

 laria, 80, 86 f . ; of Infusoria, 153 f . ; 

 see also Zoochlorella, Zooxanthella, 

 and Symbiosis 



Gomminator muscles of Aristotle's lantern, 

 526 



Commissure of radial cords of aboral 

 nervous system of Antedon rosacea, 

 585 



Compasses (or radii) of Aristotle's lantern, 

 526 



Conant, 319 



Conaria larva, 302 



Conchophtheirus, 137 



Conchula, 380 



Confervaceae, related to green Flagellates, 

 48 



Confer void form of Hy drums, 113 



Conjugatae, syngamy of, compared to 

 certain Chlamydomonads, 126 



Conjugation, 33 f. ; of Rhizopoda, 54, 

 56 f. ; of Trichosphaerium, 54, 56 f. ; 

 exogamous, in Foraminifera, 68 f. ; of 

 Heliozoa, 72, 73 f. ; of Sporozoa, 95 f. ; 

 of Lankesteria, 95 f. ; of Monocystis, 

 96 ; of Gregarines, 97, 100 ; of Stylo- 

 rhynchus, 99 ; bisexual, of Sarcocystis 

 tenella, 108 n. ; of Flagellates, 115 ; of 

 Bodo saltans, 117 ; of Trypanosoma, 

 120 ; by a fertilising tube in Chlamy- 

 domonas, 125 ; of Volvocaceae, 127 f. ; 

 of Volvox, 127 f. ; isogamous and endo- 

 gamous, of Stephanosphaera, 128 ; in 

 Dinoflagellates, 131 n, ; of Noctiluca, 

 133 ; of Ciliata, 148 f. ; of Paramecium 

 caudatum, 148 ; of Colpidmm colpoda, 

 diagram, 149 ; of Peritrichaceae, 151 f., 

 157 ; of Vorticella, 157 : of Suctoria, 

 161 ; of meganucleus in Dendrocometes, 

 161, 162 see also Syngamy, Fertilisa- 

 tion 



Conoclypeus, 558 



Constancy of type in Protista, 42 f. 



Conte, 292 n. 



Contractile vacuole, 5, 10, 14 f. ; of 

 Amoeba polypodia, 5, 10 ; of fresh- 

 water and brackish Protozoa, accessory 

 spaces and canals, 47 ; of Rhizopods, 

 52 ; of fresh -water Allogromidiaceae, 

 60 ; of Microgromia socialis, 60 ; of Helio- 



zoa, 71, 72, 74 ; of zoospore of Clathru- 

 lina, 74 ; of Myxomycetes, 92 ; of 

 Flagellata, 110, 112, 115 ; of Crypto- 

 monas, 112 ; of Diplomita, 112 ; of 

 Oikomonas, 112 ; of Tetramitus, 112 ; 

 of Trachelomonas, 112 ; of Bodo saltans, 

 117 ; of Choanofiagellates, 122 ; absent 

 from Opalinidae, 123 ; of Euglenaceae. 

 125 ; of Volvox, 126 ; of Ciliata, 143 f. ; 

 in fission, 147 ; of Stylonychia,, 139 f. ; 

 of Stentor, 156 ; of Vorticella, 157 ; of 

 Suctoria, 160 f., 162 



Contractility, 8, 9 ; muscular mechanism 

 of, 14 f. 



Contraction, of Amoeboid cell, 16 f. 



Copepoda, infested by Epistylis, 158 see 

 also Cyclops 



Coppinia, 280 ; C. arcta, 280 



Coprolites, Radiolaria in, 87 



Copromyxa, 90 



Coral, 326, 365 ; Organ - pipe, 343 ; 

 Precious ( = Red), 326, 352 ; Flexible 

 ( = various Alcyonaria), 326 ; Stony 

 ( = Madreporaria), 326, 384 f. ; Brain-, 

 401 ; Black ( = Gerardia, 406, and 

 Antipatharia, 407) ; -Reefs, 390 f. ; 

 Reef-, 389 f. 



Coralliidae, 335, 352 ; commercial im- 

 portance, 328 



Corallimorphidae, 383 



Corallimorphus, 383 



Corallium, 333, 350, 352; C. boshvensis, 

 352 ; C. confusum, 352 ; C. elatius, 352 ; 

 C inutile, 352 ; C. japonicum, 352 ; C. 

 johnsoni, 352 ; C. konojoi, 352 ; C. 

 nobile, 340 n., 341, 352 ; C. pusillum, 

 352 ; C. reginae, 352 ; C. stylasteroides, 

 352 ; C. sulcatum, 352 



Corbula, 276 



Cordylophora. 269, 272 



Cormidia, 301, 305 



Cornularia, 334, 3U 



Cornulariidae, 344 



Cornuspira, 59 ; shell of, 64 



Corona, of Echinus esculenius, 504, 511 ; 

 of Endocyclica, 530 ; of Cidaridae, 530 ; 

 of Echinothuriidae, 530, 535 ; of Temno- 

 pleurinae, 539 



Coronaster, 474 



Coronata, 314, 321 



Cortex, 190, 191, 213 ; gastral cortex, 

 188 



Corticata, 49 n. 



Corydendrium (family Tiaridae, 87, 

 parasiticum, 269 



Corymorpha, 263, 265, 266. -'.' 

 nutans, 273 



Corymorphidae, 273 



Corynactis, 372, 3S3 ; C. riridis, 383 



Coryne. .'? .' 



Corynidae, 272 



Cosmiolithus, 34$ 



