641 



Favosiics, 344 



Favositidae, 344 



Feather-star, 581 



Feeding, of Kocliluca, 133, 144 ; of Peri- 

 triehaceae, 145 — see also Food 



Feeler, oUIolothi(ria nigra, 561 f., 566 ; of 

 Ilolotlmroidea, 568 ; of Dcudrochirota, 

 568, 572 ; of Synaptida, 568, 575 ; of 

 Molpadiidn, 568, 575 



Female gamete, 33; of Pandorina, 12S f. ; 

 of Acystosporidae, 104 f. ; of Peri- 

 trichaceae, 151, 157 — see also Megaga- 

 :nete, Oosphere 



Ferment, required for germination, brood- 

 formation, etc., 32 f. — see also Zymase 



Fermentation, organisms of, 43 f. 



Fertilisation, 33 f. ; "chemical," 32 n. 



Fertilised egg, 31 — see also Oosperm, Zygote 



Fertilising tube of Chlamydomonas, 125 



Fever, intermittent, malarial, 103 f . ; re- 

 lapsing, 121 ; remittent, 105 ; Texas-, 

 Tick, 120 ; Trypauosomic, 119 f. 



Fewkes, 268 n. 



Fibularidae, 549 



Fibularites, 559 



Fickert, Eimer and, on classification of 

 Foraniinifera, 58 n. 



Ficulinii, 219, 224, 230 ; F. Jicus, 219 



Filoplasmodieae, 90 f. 



Filopodia, 47 n. 



Filosa, 29, 50, 52 f. ; resemblance to Allo- 

 gromiiliaceae, 59 



Finger, 580 ; of Cystoidea, 597 ; of Blas- 

 toidea, 599, 600 



Firestone of Delitzet contains fossil Peri- 

 dinium, 132 



Fischer, on fixing reagents, 11 ; on struc- 

 ture of flagellum, 114 



Fish, rheotaxy of, 21 ; epidemics of, due to 

 Myxosporidiaceae, 107 ; to Costia neca- 

 trix, 119 ; to IchtInj02Mheirius, 152 



Fission, 10, 23 f. ; equal, 10 ; Spencerian, 

 23 ; multiple, 30 f. (see also Brood-divi- 

 sion) ; of Heliozoa, 72 f. ; of Radiolaria, 

 84 f. ; radial, in Volvocaceae, 110 ; 

 transverse, inCraspedomonadidae, 115 n. ; 

 longitudinal and transverse, of Bodo 

 saltans, 117 ; of Opalina, 123 ; of 

 Euglenaceae, 124 ; of Eutreptia. riridis, 

 124 ; of Noctaiica, 133 ; of Ciliata, 

 147 f. ; of Sd'.ntxr pobjmorphus, 156 ; 

 of Vorticellidae, 157 f. — see also Bud- 

 fission 



Fissiparantes, 387, 4OO 



Fixing protoplasm, 15 



FlaheUum, 375, 386, 39S ; protandry of, 

 370 



Flagella, flagellum, 17 f., 47 ; of Protozoa, 

 47 ; formed l)y altered pseudopodia in 

 Microfjromia, 60 ; of Heliozoa, 73 ; of 

 sperms of Coccidiidae, 102 ; of Acysto- 

 sporidae, 105; of Flagellata, 109, 114 f. ; 

 VOL. I 



of Trichonymphidae, 114 ; Delage on 

 mechanism of, 114 n. ; oi Bodo saltans, 

 117 ; of Trypanosonta, 121 ; of Euglen- 

 aceae, 124 f. ; of Maupasia, 124 ; of 

 Eutn'pti((, viridis, 124 ; of Sphaerella, 

 126 ; of Dinotlagellata, 130, 131 ; of 

 Peridiitiitm, 131 ; of Polykrikos, 132 ; 

 of NoctUucu, 132, 133 f.— see also 

 Sarcoflagellum 



Flagellar pit, in Flagellates, 110, 124 f. 



Flagellata, 17 f., 40, 48 f., 50, 109 f. ; 

 liarotaxy of, 20 ; galvanotaxy of, 22 ; 

 chemiotaxy of, 23 ; nutrition of, 40, 

 113 ; of putrefying liquids, 44, 116 f. ; 

 studied by botanists, 45 ; as internal 

 parasites, 48, 119 f. ; relations with 

 Acystosporidae, 106 ; shell of, .113 ; 

 stalk of, 113 ; life-history of, 116 f. ; 

 literature of, 119; saprophytic, 119 f. 



Flagellate stage, of Sarcodina, 56 f., 60, 

 109 ; of Heliozoa, 74 ; of Radiolaria, 

 85 f. — see also Flagellula 



Flagellated chamber. 170 



Flagellula, 31 ; of Proteomyxa, 88, 89 ; 

 of Myxomycetes, 91, 92 ; of Didymium, 

 92 — see also Zoospores 



Flagellum — see Flagella 



Fleming, 168 u. 



Flexible Corals, 326 



Flint, 219, 241 



Floricome, 203 



YlosceWe, oi Echinocardiuvi cordatum, 551 : 

 of Cassidulidae, 554 



Flowering plants, male cells of, 38 



Flowers of tan ( — Fuligo varians), 92 f. ; 

 peptic ferment in, 16 



Foam structure, 6 



Fvlliculina, 137 ; tube of, 152 



Food, 35 f. (see also Ingestion) ; of Higher 

 Animals, 38 ; absorption of, by Plants, 

 38 ; in relation to life-cycle of Ciliata, 

 147 f. ; of Sponges, 237 ; of Hydra, 

 256 and n. ; of MUlepiora, 261 ; of 

 Siphonophora, 304 ; of Charybdea, 319 ; 

 oiAlcyunium, 339 ; of Zoantharia, 373 ; 

 of Asterias rubens, 439 ; of Ophiotkrb: 

 fragilis, 486 ; of Ophiolepididae, 496 ; 

 of Echinus esculent us, 516 ; of Echin- 

 arachnius imrma, 546 ; of Ecliinocar- 

 dium cordatum, 552 ; of Holothuria 

 nigra, 561 ; of Dendrochirota, 572 ; 

 of Synapta inhaerens, 577 ; of Antedon 

 rosacea, 583 



Food-vacuole, of Actinosphaerium eichor- 

 nil, 72 ; of Ciliata, 145 f. ; of Carche- 

 siiiw, 146 



Foot-plate, of young Pentacrinidae, 592 ; 

 of larva of Antedon rosacea, 619 



Foraniinifera, 40, 49, 50, 5S f. ; relations 



of. 49 ; shell of, 49, 59 f., 60, 61, 



63, 65 ; habitat of, 59 f. ; literature of, 



58 n. ; marine, 60 f. ; nuclei of, 62, 67 



2 T 



