INDEX — GLOSSARY. 



447 



Fungiform papillae, 371 

 Fur seal, 739 



Gaillardia, 241 

 Galeorchis, 849 

 Gallinacei, 650 

 Galls, 764 

 Gall wasp, 238, 590 

 Gametangium (of plants) — the organ in 

 which gametes are produced. 

 Gametes, 694 

 Gametophyte. 265, 292 

 Gamopetalous, 132 

 Gamosepalous, 131 

 Ganoin, 632 

 Garpike, 419 

 Garpikes , 634 

 Gastric fluid, 641 



glands, 720 



mill, 459 

 Gastrophilus, 761 

 Gastropoda, 595 



structure of, 595- 

 Gastro-vascular cavity, 454 

 Gastrula, 713 



cavity, 713 



mouth, 713 

 Gastrulation, 198, 199 

 Gavial, 644 

 Geese, 650 



Geographical distribution, 823 

 Geotropism, 49, 50 

 Germ, 9 



Germinal tissue, 724 

 Germination, 46-50 

 Germs, 670 

 Gibbons, 668 

 Gills, 593, 606 



of crayfish, 477 



of fishes, 479 

 Gill slits of Dolichoglossus, 618 



of vertebrates, 813, 814 

 Ginkgo, 295 

 Ginkgoinse, 295 

 Giraffe, 666 

 Gizzard, 579 

 Glands, 71, 349-352 



of arthropods, 350 



of birds, 350 



of fishes and amphibia, 350 



of hydra, 349 



of mammals, 351 



of reptiles, 350 

 Glandular activity, 487 

 Glossinia, 766 

 Glowworm, 739 



Glucose — a kind of sugar C6H12O6 



(grape sugar). 

 Glycogen, 472 

 Gnats, 587 

 Gnetinai, 297 

 Goats, 666 



Golden thread — dodder 

 Gonad — the organ in which the germ 

 cells (gametes) are developed. 

 Gonads, of hydra, 500 



of insects, 580 



origin of, 721 

 Gordius, 756 

 Gorilla, 668 

 Gralla^, 650 

 Grasshopper, 396, 582 

 Gray matter of brain and spinal cord, 



444 

 Grebes, 650 



Green gland, of crayfish, 491 

 Growth, 6, 486 

 Grub, 587 

 Grubworm, 589 

 Guard cell — one of the epidermal cells 



which bound a stoma, 86 

 Guinea-pig, 660 

 Gulls, 650 



Gustatory sense — sense of taste. 

 Gynoecium, 125, 128 

 Gymnophiona, 638 

 Gymnospermae — Gymnosperms, 173- 



293 

 Gymnotus, 874 



H — symbol for hydrogen. 



Haemocyanin, 483 



Haemoglobin, 483 



Hair, 347, 651 

 follicle, 70 



Hairs, of arthropods, 346 

 of plants, 100 



Halteres, 587 



Hammer, 403 



Harvestmen, 570 



Harvey, WiUiam — P^nglish anatomist 

 who discovered the circula- 

 tion of the blood (15 78-165 7), 

 670 



Haversian canals, 426 



Hawks, 650 



Hearing, 366 



and equihbration, 387- 



Heart, 471, 472 

 origin of, 721 



Hedgehog, 652 



HeHotropism, 50 



Numbers refer to paragraphs; Black Face numbers refer to figures. 



