640 



INDEX 



Eophmra, 501 



Eozoon, 70 n. 



Epaulettes, 315 



Epenthesis, 2S1 



Ephclota, 150, 160 : E. hUschliana, cyto- 

 logical stutly of, 162 



Ephydatla, 217, 225; E. fluviatilis, 

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



Ephyra, 317 



Ephyropsidae, 322 



Epiactis (usually placed in the order Zoan- 

 thidea, 4O4) ; E. inarsiipialis, 379 ; E. 

 prolifem, 379 



EpibuUa, 3US 



Epidemic, of pebrine among Silkworms, 

 107 ; among Fish, due to Costia necatrix, 

 119 ; to Myxosporidiaceae, 107 ; to 

 Ichthyophtheirius, 152 — see also Dis- 

 eases, Fever 



Epiyonactis fecunda, 379 



Epiinerite of Gregariues, 97, 98 f. 



Epineural canal, of Ophiothrix fragilis, 

 481 ; of Echinus escidentus, 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 brnod-motlier- 

 cell remaining over unused in brood- 

 formation), 96 



Ep ist rdophyllu m, 403 



Epistiilis, 13S, 158 ; E. umbdlaria, 

 uematocysts of, 249 



Epitheca, 386 



Epizocmthus, 4^0 ; on Hyaloneina, 204 ; 

 E. glacialis, infested by Gregariues, 99 ; 

 E. incnistatas, 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, 2So ; E. ijlabra, 286 ; E. 

 ramosa, 286 



Ersicea, 306 ; E. pictn, 303 



Esperella, 225, 231 



Esperiopsis, 225 



Euaster (a true aster in which the actines 

 proceed from a centre, contrasting with 

 the strei)taster), 184 

 Eiicalyptocrimis, 596 

 Eucharidae, 420 

 Eiicharis, 420 ; E. intdticornis, 416, 418 f., 



420 

 Euc.hlora, 4^ 

 Evdadia, 502 

 Euclypeastroidea, 54^ 

 p]ucopidae, 277, 2SU 

 Eudendrium, 269, 270 



Eudiocriyius, 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 



Euf/lypha, 52 ; in fission, 29 ; test, 29, 

 54 



Eimicea, 356 ; spicules, 335, 336 



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

 cavolini, 356 



Ei'pagnrus prideauxii, 378, 381 ; E. 

 bernluirdus, 378 



Evpatagus, 553 



Euphyilia, 4OI 



Eiiplcctella, 204 ! E,- aspergillum (Venus's 

 Flower-Basket, 197) ; E. impericdis, 

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



Euplexaura, 356 



Euplokamis, 4I8 



Euplotes, 138 



Eupsammiidae, 402, 404 



EHrhamphc(ea, 4^0 



Eurliampliaeidae, 4^9 



Euryalidae, 501 



Eurypylous, 210 



Euspongia, 221 



Eutreptia, 110 ; E. viridis, 124 



Evacuation of faeces by mouth in Nocti- 

 luca, 133 



Evans, 179 n., 217 



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

 Asterias rubens, 437 ; in Echinus 

 escidentus, 527, 528 ; in Antedon 

 rosacea, 587 



Excretory, granules, 6 ; of Ciliata, 

 144 ; pore of contractile vacuole of 

 Flagellates, 110 ; of Tradidius ovum, 

 153 



Exogametes of Tridiosphaeriuni, 54 



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

 Foraminifera, 68 f. 



Expansion of Amoeboid cell, 16 f. 



Exsert septa, 398, 399 



Extracapsular protoplasm, of Pliaeodaria, 

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

 plasm ) 



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

 512 



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



Fascicularia, 34S 



Fasciole, of Echinocarclium, 550, 555 ; of 



Spatangoidea, 553 ; of Spatangus, 553 ; 



oi 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 

 Faria, 373, 4OI 



