INDEX 



543 



Enterostoma, 46 ; British species, 50 

 Entoprocta, 475, 479, 487 f., 518 ; lopho- 

 phore, 476 ; reproduction, 506 ; larva, 

 509, 510 



Eosphora, 216, 218, 224 



Ephemera, liost of Gordius, 172, 173 



Ephesia, 321 

 Epibdella, 55, 73 



Epidermis, of Leptqplana, 11, 12 ; of Poly- 

 clads, 20, 25, 29 ; of Trematodes, 56 ; 

 of Cestodes, 85 ; of Neniertinea, 102 ; of 

 Nematoda, 125 ; of Acanthocepliala, 

 175 ; of Nereis, 249 ; of Oligoehaeta, 

 349 ; of Leeches, 396 ; of Gephyrea, 

 414; of Phoronis, 454 see also Hypo- 

 derinis 



Epigamous, phase, of Nereis, 277 n. ; worms, 

 281 



Epistome, in Phoronis, 453, 455 ; in Phy- 

 lactolaemata, 476, 476, 499 ; in larva of 

 Loxosoma, 509 



Epistomia, 518, 526 



Epithetosoma, 444, 445, 449 



Epithetosomatoidea, ^12, 444 



Epitokous, phase, of Nereis, 111 n. 



Eretmia, 225, 226 



Eriographidae, 258, 338 



Erpocotyle, 73 



Errantia, 258, 285 



Eschar a, 516 



Escharina, 518 



EscJiaroides, 527 



Euchlanididae, 225 



Euchlanis, 225, 226 



Eucratea, 518, 525, 527, 528 



Eudrilidae, 359, 360, 380, 385, 403 f. 



Eudrilus, 354, 385, 403 f. 



Euichthydina, 235 



Eulalia viridis, 314 ; pigment, 292 ; colour, 

 293 ; eggs, 314 n. 



Eumenia, 334 



Eunice, 318, 319 ; nephridium, 254 ; eye, 

 255 ; head, 262 ; parapodium, 264 ; gill, 

 265 ; chaetae, 266, 267 ; jaws, 270 ; sub- 

 stance of tube, 290 ; commensal, 298 ; 

 E. tibiana, 290 



Eunicidae, 258, 318 ; palps, 260 ; tentacles, 

 262 ; jaws, 270 ; tube, 285, 290 ; colour, 

 291, 292 ; parasitic, 297 ; tubes con- 

 taining Polynoids, 298 ; Palaeozoic, 302 



Eunicites, 301, 302 . 



Euphrosyne, 318 ; parapodium, 265 ; 

 chaetae, 267 



Eupolia, 113 



Eupolyzoa, 461 



Eurycercus, shell of, inhabited by Kotifers, 



Eurylepta, 19 [227 n. 



Euryleptidae, 19 



Eurythoe, 318 



Eustrongylus gig as, 142 ', E- tubifex, 142 



Evsyllis, reproduction of, 278 



Excretion, as cause of colour, 291 



Excretory system, of Leptoplana, 13 ; of 

 Polyelads^ 25 ; of Triclads, 41 ; absent 

 in Acoela, 42 ; of Temnocephala, 54 ; of 

 Digenea, 62; of Cestodes, SO; of Ne- 

 mertinea, 108, 108, 120 ; of Nematodes, 

 133; of Acanthocepliala, 177; of Roti- 

 fers, 199, 213 ; of Gastrotrieha, 234 ; oi 

 Kinorhyncha, 237 ; of Polyehaeta, 253 ; 

 of Polyzoa, 472 f. see also Nephridium 



Exogone, 308 : attachment of eggs, L'75 ; 

 reproduction, 278 



Eyes, of Leptqplana, 8, 15 ; of Poryclads, 

 26, 27 ; development of, 30 ; of larval 

 Polystomatidae, 59, 60 ; of Neniertinea, 

 102, 106 ; of Nematodes, 128 ; of Oordius, 

 166 ; of Chaetognatha, 188 ; of Rotifera, 

 215 ; of Gastrotrieha, 234 ; of Kino- 

 rhvncha, 238 ; of Polyehaeta, 255, 272, 

 314, 337, 339 ; of Oligoehaeta, 354 ; of 

 Leeches, 393, 394, 395 ; of Gephyrea, 

 417 ; of Polyzoon larva, 509 



Fabricia, 339 ; eyes, 272 ; otocyst, 27-'! 



Faecal groove, of Sabellids. 337 



Fans, of Chaetopterus, 295, 324 



Faraday, on asexual reproduction of Plan- 

 ariae, 6, 40 n. 



Farre, on Polyzoa, 500, 508 



Farrella, 500, 518, 533 



Fasciola, 67 



Fecampia, life-history, 45 



Felt, of Aphrodite, 268, 312 



Fertilisation, of Neniertinea, 117 ; of Ne- 

 matodes, 135 ; of Gordiidae, 171 ; of 

 Acanthocepliala, 179 ; of Chaetognatha, 

 188 ; of Rotifers, 217 



Filaria, 147, 163 ; F. attennata, 134 ; F. 

 cystica, 142; F. denticidata, 125; /'. 

 immitis, 148 ; F. hibiata, 163 ; /''. lati- 

 caudata, 125 ; F. loa, 149 ; F. medi- 

 ne/isis, 147, 157, 163; F. sanguinis 

 hominis, 149, 163 ; F. papulosa, 163 



Filariidae, 147 



Filigrana, 340 ; fission in, 281 ; tubes. 290 



Fimbria tenuis, 157 



Fischer, on branchiae in Gephyrea, 416 n. 



Fishes, Trematodes of, 4, 53, 55, 6! 

 71, 72 ; Cestodes of, 77, 84, 85 ; Nema- 

 thelminthes of, 142, 143, 149, 163, 173, 

 182 



Fission, in Bipalium, 34 ; in Planariae, 

 40 ; in Trichoplax, 96 ; in Salinella, 

 96; in Polyehaeta, 278 f., 279, 280. 

 282, 340; in Oligoehaeta, 374, 375, 377 ; 

 in Phvlactolaemata, 496 ; in embryos, 

 365, 511 



FissureUa, as host, 298 



Flabelligera, 334 



Flame-cells, in Leptoplana^ 13 ; in Thy- 

 sanozoon, 25 ; in Triclads, 41 ; in Tem- 

 nocephala, 54 ; in Polystomatidae and 

 Tristomatidae, 56 ; in Distomum IvUum, 



