634 



INDEX 



76 f.; of Proteomyxa, 90 ; of Sporozoa, 

 97 ; of Flagellata, 109 f. ; of Protomas- 

 tigaoeae, 111 ; of Volvocaoeae, 111 ; of 

 Infusoria, 136 ; of Ciliata, 137 ; of 

 Suotoria, 3 59 ; of Sponges, 183 f. ; of 

 Coelenterata, 249 f. ; of Ctenophora, 

 417 f. ; of Eleutherozoa, 430 f. ; of 

 Asteroidea, 459 f. ; of Ophiuroidea, 

 491 f. ; of Echinoidea, 529 f. ; of 

 Bndocyclica, 532 ; of Clypeastroidea, 

 548 f. ; of Spatangoidea, 552 ; of 

 Holothuroidea, 567 f. ; of Pelmatozoa, 

 680 ; of Crinoidea, 589 f. 



Olathna, 225 



Olathrina, 186, 221, 231 ; G. Uanca, 

 larva of, 227 



Clathrinidae, 185 f. 



Olathnssa, 223 



Clathrozoon, Til, S79 ; G. wilsoni, 279 



Clathrulina, 71, 73, 74 



Glava, S72 ; G. squamata, 263 



Olavatella, 267, 270 



ClavateUidae, S70 



Clavidae, 27S 



Clavularia, 330, 334, 344 \ 0. mricKs, 

 329, 337, 343 f., 344 



Clavulariidae, S44 



Clearing of tissues, physical explanation 

 of, 11 



Climacograptus, ^82 



Oliona, 219, 224 



Clionidae, SIS 



Cloaca of Holothicria nigra, 563 



Glypeaster, 548, 649 



Clypeastridae ( — Echinanthidae), 549 



Clypeastroidea, 529, 5^2 f,, 556, 559, 566 



Glytia., 280 ,■ G. johnstoni, 275, 280 f. 



Cnidoblast, 247, 248 



Cnidocil, 248 



Cnidopod, 248 



Cnidosac, 300 



Coalescence of individual Rhizopods during 

 bud-fission, 55 



Coccidiaceae, 97, 99 f. ; relations to Try- 

 panosovia, 120 



Coc'cidiidae, 97, 99 f., 101 



Cocoifliosis, 102 



Oocddium, 99 f , 101 f. ; C amicidi, 

 102 ; G. lacazei, syngamy of, 101 ; 

 G. schuhergi, 99 f., 101 



Goc(iolitho2}hora, 110 



Goccolitlioplioridae, in Chalk, 70 ; wall of, 

 114 



Coccoliths, 83, 110, 114, 242 



Coccoseridae, S46 



Coccospheres, 83, 114 



Cockroach, Loplwmonas parasitic in gut 

 of, 123 



Cadaster, 599 



Godosiga, 111 



Coelenterata, 243 f. ; definition, 245; almost 

 all immune from Gregarines, 99 



Coeliac canal of Antedon rosacea, 586 



Goelogorgia, 349 



Coelogorgiidae, 349 



Coelom (including body-cavity), 428 ; of 

 Asterias rubens, 437 ; of arm of 

 Ophiothrix fragilis, 480 ; of Echinus 

 esculentus, 516 ; of Holothuria nigra, 

 562 ; of Antedon rosacea, 585 ; de- 

 velopment of first rudiment in larva, 

 605 ; subsequent development in Di- 

 pleurula, 608, 609 ; in Asterina gibbosa, 

 611 ; in Antedon rosacea, 618, 619 



Coelomic nervous system, of Asterias 

 rubens, 448 ; of Ophiothrix fragilis, 

 488 ; of Echinus esculentus, 524 ; of 

 Holothuria nigra, 666 ; of A^itedmi 

 rosacea, 584, 686 



Coeloplana, 412, 4^^ \ C'. mitsukurii, 

 422 



Coeloplanidae, 4^^ 



Coenocyte, 30 



Goenograpttts, 28S 



Coenopsammia, 404 



Coenosteum, 371, 387 



Coenothecalia, 344 



Cohn, Ferdinand, on cultures of Scliizomy- 

 cetes, etc., 44 



Cold-blooded Vertebrates, as hosts of 

 Haemosporidae, 102 



Coleps, 137 ; mail-like pellicle of, 141, 

 152 ; 0, hirtus, group feeding, 150 



Collar, of Choanoflagellates, 121 f., 122; 

 of peristome of Vorticella, etc., 156 



Collar-cells, in Choanoflagellates, 121 f., 

 122, 171, 237; of Calcarea, 186; of 

 Non - Calcarea, 176, 200 — see also 

 Choanocytes 



CoUencyte, 171 



Colletoeystophores, 320 



Collida, 77 n. 



Colloblasts, 414 



CoUodaria, 77 



CoUoidea, 77 



Gollosphaera, 77 ; symbiotic Diatoms in, 

 86 



Collosphaeridae, 85 



Collozoidae, 85 



Gollozoum, 77 ; C. inerme, 76 



CoUyritidae, 559 



Golobocentratus, 532, 54^ 



Colonial, cells, 31 ; Protista, 31 



Colony, 31 ; of Cojllozoum inerme, 76 ; 

 -formation in Polycyttarian Eadiolaria, 

 84 f. ; in Flagellata, 113 ; of Choano- 

 flagellates, 121, 122 ; in Vorticellidae, 

 158 ; of Volvocidae, 126 f. ; of Pan- 

 dorina, 128 t ; of Eudorina, 129 



Colour, red, of lakes and ponds, often due 

 to Dinofiagellata, 131 



Coloured vegetal nutrition, 36 f. 



Colouring matter of chromatophores of 

 Flagellates, 115 u. 



