INDEX 



765 



JU ABRICIA, 438 



Facial suture, 558* 



Falciform young of Monocysti-y, 76 



Fan/ly, 4* 



Faf23* 



Fat body, of Periplaneta, 576 



Fauna, 8 



Feather-star See Anfedon. ro-yacea 



Femur, of Cockroach, 574 



Fenestrse, of Pe.riplaue.ta. 572 



Fenja, 188, 189, Addenda 



Ferment, 12 



Fibres, nerve, 27, 28 



Fibro-cartilage, 24*, 25 



Filibranchiata, 646% 648, 649, 662 



Fimbriffi, of Fresh-water Mussels, 632 



Fire -flies, 596 



Fission, 14, 38*, 44, 73 



Fissurella, 694 



Fixed cheek, 558* 



Flabetlum, 183, 192, 193, 489 



Flagellata, 05* : Cell-body, 65 : Flagella, 

 66, 67 : Bilateral symmetry, 67 : Modes 

 of nutrition, 67 : Skeleton, 68 : Colo- 

 nies, 68 : Asexual multiplication, 69 : 

 Sexual reproduction, 70 



Flagellate canals, of Sponges, 98, 99, 100*, 

 109 



Flagellate cells, 98, 99, 100* 



Flagellula, 51, 62, 64 



Flagellum, 21* 



Flagellum, otAxtncitx, 5o2 



Flame-cells, 224*, 253 



Flat-worms See Platyhelminthes 



Fleas, 585, 586, 591, 6\>2 



Floscularia, 303, 395, 306 



F/itxfw, ,S2o 



FoUiculimt, 85 



Food vacuole of Paramoncium, 81 



Foot, of Anodonfn, 632 : Pelec > ypoda, 

 052 : Amphmeura, 664, 665: Triton, 

 674, 675 : Sepia, 709, 710 : Nautilus, 

 727 : Cephalopoda, 738 



Foot- gland, 327 



Foraminifera, 46* : General structure, 50, 

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



54 : Dimorphism, 55 : Reproduction, 



55 : Distribution, 55 

 Fnssettes. 541 

 Foxsulci, 197 



Fresh-water Crayfish, 498 

 Fresh-water Mussel See Anodonta 

 Fresh-water Sponges, 116 

 Fresh-water Worms, 403 

 Frondicularia, 53 



Fulcrum (of Rotifera), 307 

 Fungia, 192 

 Funiculus, ,316, 323 

 Funnel, 748 

 Funnel folds, 746 



ALEA, 573 



Galeodes. 612, 614 



Galls. 599 



Gall-flies, 581 



Gall- insects, 598 



Gametes of Flagellata, 70 



(.laiiiinarn*, 524, 543, 544 



Gamobium, 130 



Gastral cortex, 102*, 110 



Gastric filaments, of Aurelia, 160 



Gastric mill, 547 



Gastric mill, of Astacus, 507 



Gastric ostium, 101* 



Gastric ridges, of Aurelia, 161 



Gastrolith, 507 



Gdstrophttus egid, 586 



Gastropoda, Example, 671 : Distinctive 

 characters and classification, 682 : 

 Systematic position of example, 685 : 

 General organisation, 685 : External 

 features, symm^-y, &c., 685: Shell, 

 (ISO : Foot, 687 : Head, 689 : Mantle, 

 689 : Respiratory organs, 690 : Diges- 

 tive organs, 692 : Heart, 693 : Nervous 

 system, 693 : Organs of special sense, 

 695 : Nephridia, 697 : Reproduction, 

 697 : Development, 698 ; Ethology and 

 distribution, 704: Relationships/ 705 : 

 Appendix, 705 



Gastropores, of Millepora, 145 



Gastrotricha, 311, 312 



Gastrula, 21, 3!) 



Gastrulation, 20* 



('< ftixi/'niis, 541, 556 



Gemmules, 112 



Gerue, 572* 



Generic, 1 



Genital operculum, 606 



Genital system SeeReproductive system 



Geological distribution See Distribu- 

 tion, geological 



Gephyrea, 450 : Example, 451 : Dis- 

 tinctive characters and classification, 

 454 : Systematic position of the ex- 

 amples, 455 : General organisation, 455 : 

 Body-wall, 456 : Coelome, 456 : Ali- 

 mentary canal, 457 : Vascular system, 



457 : Nervous system, 457 : Nephridia, 



458 : Reproductive organs, 458 : Sexual 

 dimorphism, 458 : Development, 45!) : 

 Distribution, affinities, &c., 461 



Germinal bands, ofClepsine, 479 : of A //- 



jn<fn*, 564 



Germinal groove, 581 

 Germinal layers, 21* 

 Germinal spot, 18*, 28 

 Germinal vesicle, 18*, 28 

 Giant clam, 660 

 Giant fibres, 438 

 Giant nerve-cells, 438 





