468 



INDEX 



Eye of Arthropoda, 225 

 Eye of vertebrate, 226 



Facial nerve, 223 



Facultative anaerobe, 81 



Faeces, 164 



Fallopian tube, 200, 201 



Far-sightedness, 227 



Fat digestion, 163 



Fatigue, 242 



Fats, II, 15, 45, 60, 163, 164 



Feather Stars, 109 



Feathers, 119, 144, 145 



Feeble-mindedness, 338 



Felis domesticus, 319 



Female, 193 



Femur, 749 



Fenestra ovale, 231 



Fermentation, 77 



Fern, life cycle, 254 



Ferns, 76, 77, 192, 252, 234, 255 



Fertilization, 70, 90, 92, 193-195, 251, 



253, 254, 236, 318 

 Fibrin, 175 

 Fibrinogen, 175 

 Filterable viruses, 85, 363 

 Fire fly, 356 

 Fischer, 424 

 Fish brain, 2ig 

 Fish digestive system, 410 

 Fish excretory and reproductive system, 



198 

 Fish heart, lyg 

 Fishes, iij, 118, 128, 168, 769, 195, 



268, 282, 309, 347, 353, 403 

 Flagellx, 55, 8g, 93, 97, g8, 99 

 Flatworms, 103. See also Platyhel- 



minthes. 

 Flower, 255, 236 

 Flowering plant, life cycle, 236 

 Food, 40-43, 57, 73, 81, 84, 85, 91, 153- 



158, 160-165, 291-292 

 Food chain, 379, 5^0-383 

 Food vacuole, 56, 57, 66 

 Foot, 109 

 Foot, horse, 40J 

 Foramenifera, 97, 401 

 Fossils, 396 



Free martin, 334 



Frog, 118, 119, 196, 263, 267, 347 



Frog digestive system, 410 



Frog's egg, ig4, 266, 267 



Frontal bone, 749, 757 



Fructose, 12 



Functional adaptations, 348 



Fungi, 76, 77 



Galen, 421 



Galileo, 426 



Gall bladder, 760, 165, 166 



Galls, 365 



Galton's Law, 305, 321 



Galvanotropism, 373 



Gametes, 90, 794, 195, 251, 312 



Gametic reproduction, 192, 250, 312 



Gametocytes, 74, 73 



Gametophyte, 253, 234, 255, 256, 257 



Ganglia, 109, 272, 213, 274 



Gar, 757 



Gas bladder of fishes, 352 



Gastric cavity, 91 



Gastric mill, 755 



Gastric vacuole, 55, 61 



Gastropoda, 777, 112 



Gastrovascular cavity, 133 



Gastrulation, 131, 265, 266, 267, 268, 



26g, 270 

 Gelatin, 15, 21 

 Genes, 323-343 

 Genetics, 424 

 Genotypes, 324 

 Genus, 54, 96 

 Geological eras, 3g7 , 398 

 Geology, 2, 425 

 Germ cells, 313-345 

 Germplasm, 309 

 Giantism, 204 



Gills, 770, 112, 118, 166, 767, 769, 282 

 Giraffe, 123 



Gizzard, 754, 349, 330, 410 

 Glands, 243, 244 

 Glicine, 42 



Glomerulus, 187, 188, 7^9, 190 

 Glossopharyngeal nerve, 223 

 Glycocoll, 42 

 Glycogen, 165, 205, 242 



k 



1 



