822 



INDEX 



495 : Systematic position of the ex- 

 amples, 496 : General organisation, 

 496: Body-wall, 496: Ccelome, 498: 

 Alimentary canal, 498 : Vascular 

 system, 498 : Nervous system, 498 : 

 Eyes, 498 : Nephridia, 499 : Repro- 

 ductive organs, 499 : Sexual dimor- 

 phism, 499 : Development, 500, 501 : 

 Distribution, affinities, &c, 502, 524 



Germarium, 270, 272, 239* 



Germinal bands, of Clepsine, 521 : of 

 Peripatus, 612 



Germinal disc, 798 % 



Germinal layers, 23* 



Germinal spot, 19*, 30 



Germinal vesicle, 19*, 30 



Germ-vitellarium, 270 



Giant Clam, 710 



Giant fibres, 477 



Giant nerve-cells, 478 



Oigantorhynchus, 312, 313, 314, 315 



Gill-cover, of Astacus, 541 



Gills, 35* — See Respiration 



Gizzard, 32 



Glabella, 605* 



Glands, 25* 



Glands, Multicellular, 25* : Unicellular, 

 25* : Ducts. 25 : Salivary, 34* 



Glass -crab, 599 



Glass-rope sponge, 120, 127 



Glenodinium, 79 J 



Globigerina, 53, 56 



Glockidium, 693 



Glomeris, 282 



Glossiphonia, 516 



Glossocodon, 154 



Glow-worms, 645 



Glycera, 472, 474 



Glyceridie, 476 



Gnathobase, 531 



Gnathobdellida, 516*, 517, 518, 522 



Gnats, 635 



Goblet-shaped bodies, 460| 



Goblet-shaped organs, of Leech, 514 



Gonads — See Reproductive system 



Gonapophyses, 628* 



Gonocoele, 783* 



Gonodactylus, 569 



Gonodendra, 163* 



Gonopodaria, 354 



Gonopore, 298 



Gonotheca, of Obelia, 129*, 130 



Gonozooids, 202* 



Gordius, 304, 306, 308 



Gorgonacea, 195*, 203, 204 



Gorgdnia, 197, 204 



Granule glands, 270, 271 



Grapsus, 569 



Graptolifluda, 142*, 166, 167 



Grasshoppers, 619, 633, 636, 645 



Green gland, of Astacm, 551 



Gregarina, JQ^^Jr 



Gregarina blatlarmn, 82 



Gregarina dujardini, 82 

 Gregarina gigantea, 82, 83 

 Gregarinida, 81* : Characteristic fea- 

 tures, 82, 83 

 Gressoria, 636 

 Gromia, 51, 52, 56 

 Guard, 795* 

 Guard-polypes, 149* 

 Guinea-worm, 305, 312 

 Gula, 637* 



Gullet, 32 — See Digestive organs 

 Gunda segmentata, 255, 256, 291, 295 

 Gustatory organ, 39* 

 Gyge, 587 



Gymnoblastea, 143* 

 Gymnoleemata, 347*, 348, 351, 352 

 Gyractis, 200, 201 

 Gyrocotyle, 262, 263, 287 

 Gyrodactylidai, 259 

 Gyrodactylus, 277, 258 



II 



H, 



.abits— See Ethology 



Hmnadipsa, 516, 522 



Haemal system, 380 



Hsematochrome, 68, 72 



Hiematococcus, 72, 73 



Hcemoccfile, of Crustacea, 52S > __i>93* : 

 Peripatus, 624 : Insecta, 640 



Haemocyanin, 555 



Haemoflagellata, 72 



Haemoglobin, 30, 36 



Ificmopsis vorax, &22 



Haemosporidea, 81* : Characteristic fea- 

 tures, 85, 86 



Halicystm, 177 



Haliotidas, 733 



Haliotis, 737, 744, 745 



Halidemma, 159, 161, 162, 168 



Halintemma tergestiuum, 160, 163 



Halteres, 640 



Hamingia, 500 



Hartea, 195, 202, 197 



Harvest-men, 661, 665 



Hastigerina, 54, 55 



Haversian canals, 27*, 28 



Head, 43* 



Head-germs, 522* 



Head-kidneys, 452 



Head-lobes, of Astacu-s, 558: of Fasciola, 

 240* 



Heart, 36* 



Heart — See Vascular system 



Heart-urchins, 412*, 417, 422 



Hectocotylisation, 760, 792 



Heliozoa, 48* : General structure, 56, 

 57, 58 : Colonies, 59 : Skeleton, 58, 

 59 : Reproduction, 59 : Conjugation, 

 59, 60 



Heliopora, 195, 203, 208, 209, 210 



