INDEX 



821 



l'-\ ar, parasite of, quartan, 86 : Tertian. 

 86 



Fibres, nerve, 29*, 30 



Fibro-cartilage. 26*, 27 



Filaria bancrofli. 312 



Filaria medinensu>, 305, 312 



Filariasis, 812 



Filibranchia. ()!).">*, 697, 698, 711, 712 



Fimbria, of Fresh -water Mussels, 6S1 



Fire-flies, 645 



Fission, 14, 40*, 46, 50, .")<», (».->. 80, 73, 74, 

 78, 79, 81, 90, 101 



Fissurella, 737. 74."> 



Five chambered organ, 409* 



Fixed cheek of Trilobites, 605* 



FUMhm, 208, 206, 207 



Flagella of Copepods, 565* 



Flagellata, 69* : Cell body, 70, 71 : 

 Flagella, 70, 71 : Modes of nutrition, 

 72 : Skeleton, 73 : Colonies, 73 : 

 Asexual multiplication, 74 : Sexual 

 reproduction, 75 



Flagellate canals, of Sponges, 107. 108, 

 109*, 118 



Flagellate cells, 108. 109 



Flagellula, 50, .">!*, ."><), 58, 60, 63, (>."), 66, 

 69, 78, 79 



Flagelluin, 24*, 68. 08 



Flagellum, of Adactts, 544 



Flame-cells; 238, 269 



Flat-worms - See Platvhelminthes 



Fleas, 635, 640, 651 



Flies. 526, 619 



Float, 159*, 160 



Floscularia, 328, 330, 331 



Flmtra, 347 



Fol He til inn, 94 



Food-yolk, 30 



Food vacuole, of A'tinophn/*, .">7 : Fara- 

 ni'icitim, 90* 



Foot, of Anodonta, 681 : Pelecypoda, 

 701: Amphineura, 713 : Triton, 724: 

 • ia.-tropods, 738, 739: Sepia, 760: 

 Nan/ Hit*, 777 : Cephalopoda, 791 



Foot-gland, 354 



Foraminifera, 4S* : General structure. 50, 

 51 : Skeleton. 51, 52, 53 : Protoplasm, 

 54 : Dimorphism, 55, 56* : Repro- 

 duction, 56 : Distribution, 88 



Formica ruja, 652 



Fossettes, 591* 



Fossils, 7* 



Fosmla, 210 



Fredericella, 348 



Fresh-water Crayfish, 539 



Fresh- water Mussel — See AnwloiUa 



Fresh-water Sponges, 126 



Fresh- water Worms, 439 



Fritillaria, 233 



Frondicidaria, 53 



FYontal suture, 605* 



Fulcrum (of Rotifera), 325 



Fungia, 205 



Funic, 343* 

 Funiculus, 343, 861 

 Funnel, 792 

 F'unnel folds, 792 



a 



G 



AI.KA, 622 



tliilitthea, 569 



Oaleodes, 663, 661 



(Jails, 647 



Gall-flies, 636, 647 



(Jail-insects, 647 



Gametes, of Flagellata,74, 75* : Sporozoa, 

 80, 81 



Gametocytes, 80, 86 



Uammarus, 584, 568, 583 



Gamobium, 140*, 176 



Gamogenesis, 21* 



Ganglia, 38, 242 



Gastral cortex, 108, 111*, 119 



Gastric filaments, of Aurelia, 172* 



Gastric mill, 593 : of Astacux, 549 



Gastric ostium, 1 10* 



( Jastric ridges, of A urelia, 173* : pouches, 

 170* 



Gastrolith, 549* 



Oantrophiljis eqiti, 634 



Gastropoda. 680, 721* : Example, 721 : 

 Distinctive characters and classifica- 

 tion, 732: Systematic position of ex- 

 ample, 734 : General organisation, 735 : 

 External features, symmetry, &c. , 735 : 

 Shell, 737 : Foot, 738, 739 : Head, 

 740: Mantle, 740: Respiratory organs, 

 742 : Osphradium, 744 : Digestive 

 organs, 744 : Heart, 744 : Nervous 

 system, 745 : Organs of special sense, 

 746 : Nephridia, 747 : Reproduction, 

 748 : Development, 749, 751, 752, 753, 

 754, 755 : Ethology and distribution, 

 7">.") : Relationships, 756 : Appendix, 

 756 



Gastropores, of Millepora, 156* 



Gastrotricha, 323, 335*, 336 



Gastrozooids, 163, 202 



Gastrula, 23* 



Gastrulation, 22, 23* 



Qetatimua, 591, 602 



Gemmules, 112, 121* 



Genae, 621* 



Generic, 1* 



Genital cloaca, 248* : radii*. 38.-), 430 : 

 stolon, 385, 430 : plates, 396, 397 : 

 bursa?, 430 : operculum, 655* 



Genital system — SeeReproductivesystem 



Gi-nus, 1* 



Geological distribution — See Distribu- 

 tion, geological 



Geoplanida;, 253 



Gephyrea, 439, 491* : Example, 492 : Dis- 

 tinctive characters and classification, 



