640 



INDEX 



Eophiura, 501 



Eozoon, 70 n. 



Epaulettes, 315 



Epenthesis, 281 



Ephelota, 159, 160 ; E. biitschliana, cyto- 



logical study of, 162 

 Ephydatia, 217, 225 ; E. fluviatilis, 



structure, etc., 174 f., 176, 177, 178, 179 

 Ephyra, 317 

 Ephyropsidae, 322 

 Epiactis (usually placed in the order Zoan- 



thidea, 404) > & marsupialis, 379 ; E. 



prolifera, 379 

 Epibulia, 308 

 Epidemic, of pebrine among Silkworms, 



107 ; among Fish, due to Costia necatrix, 



119 ; to Myxosporidiaceae, 107 ; to 



Ichthyophtheirius, 152 see also Dis- 

 eases, Fever 

 Epigonactis fecunda, 379 

 Epimerite of Gregarines, 97, 98 f. 

 Epineural canal, of Ophiothrix fragilis, 



481 ; of Echinus esculentus, 515 

 Epiphysis, of jaw, of Echinus esculentus, 



526 ; of jaws of Diadematidae, 531 ; 



absent in Cidaridae and Arbaciidae, 



531 

 Epiphytic Protozoa, 48 

 Epiplasm { cytoplasm of a brood-mother- 

 cell remaining over unused in brood - 



formation), 96 

 Epistrelophyllum, 403 

 Ejristylis, 138, 158 ; E. umbellaria, 



nematocysts of, 249 

 Epitheca, 386 

 Epizoanthus, 40b ' ; on Hyalonema, 204 ; 



E. glacialis, infested by Gregarines, 99 ; 



E. incrustatus, 406 ; E. paguriphilus, 



406 ; E. stellaris, 406 

 Epizoic, Protozoa, 48 ; Ciliata, 158 ; 



Suctoria, 158, 162 see also Symbiosis 

 Equatorial plate ( = the collective chromo- 

 somes at the equator of the spindle in 



mitosis), 25, 27 

 Equiangular, 185 

 Errina, 284, 286 ; E. glabra, 286 ; E. 



raraosa, 286 

 Ersaea, 306 ; E. picta, 303 

 Esperella, 225, 231 

 Esperiopsis, 225 

 Euaster (a true aster in which the actines 



proceed from a centre, contrasting with 



the streptaster), 184 

 Eucalyptocrinus, 596 

 Eucharidae, 1$0 

 Eucharis, 420 ; E. mtdticornis, 416, 418 f., 



420 

 Euchlora, 417 

 Eucladia, 502 

 Euclypeastroidea, 549 

 Eucopidae, 277, 280 

 Eitdendrium, 269, 270 



Eudiocrinus, 594 



Eudorina, 111, 128 f. 



Eudoxia, 306 ; E. eschscholtzii, 303 



Euglena, 110 ; barotaxy of, 20 ; nutri- 

 tion of, 113 ; E. viridis, 124 



Euglenaceae, 110, 124 ; pellicle of, 113 



Euglenoid motion, 124 ; of Sporozoa, 50 



Euglypha, 52 ; in fission, 29 ; test, 29, 

 54 



Eunicea, 356 ; spicules, 335, 336 



Eunicella, 356 ; spicules, 335, 336 ; E. 

 cavolini, 356 



Ettpagurus prideauxii, 378, 381 ; E. 

 bernhardus, 378 



Eupatagus, 553 



Exiphyllia, 401 



Euplectella, 204 '> E. aspergillum ( Venus's 

 Flower-Basket, 197) ; E. imperial is , 

 206 ; E. suberea, 202, 204, 205, 221 



Euplexaura, 356 



Euplokamis, 418 



Euplotes, 138 



Eupsammiidae, 402, 404 



Eurhaviphaea, 419 



Eurhaniphaeidae, 419 



Euryalidae, 501 



Eurypylous, 210 



Euspongia, 221 



Eutreptia, 110 ; E. viridis, 124 



Evacuation of faeces by mouth in Nodi- 

 luca, 133 



Evans, 179 n., 217 



Excretion, 13 f . ; in Sponges, 172 ; in 

 Asterias rubens, 437 ; in Echinus 

 escxdentus, 527, 528 ; in Antedon 

 rosacea, 587 



Excretory, granules, 6 ; of Ciliata, 

 144 ; pore of contractile vacuole of 

 Flagellates, 110 ; of Trachelius ovum, 

 153 



Exogametes of Trichosphaerium, 54 



Exogamy, 34 n. ; in Rhizopoda, 56 f. ; in 

 Foraminifera, 68 f. 



Expansion of Amoeboid cell, 16 f. 



Exsert septa, 398, 399 



Extracapsular protoplasm, of Phaeodaria, 

 76 ; of Radiolaria, 79 f. (see also Ecto- 

 plasm) 



Eye of Asterias, 445 f., 446 ; of Echinoidea, 

 512 



Eye-spot of coloured Protista, 21, 125 f. 



Fascicularia, 348 



Fasciole, of Echinocardium, 550, 555 ; of 



Spatangoidea, 553 ; of Sjmtangus, 553 ; 



of Eupatagus, 553 ; of Spatangidae, 555 

 Fats, fatty acids, 15 ; in Flagellates, 



110, 115 ; formation of, 36 

 Faure-Fremiet. on attachment of Peri- 



trichaceae, 141 n. 

 Faurot, 368 

 Favia, 373, 401 



