INDEX 



487 



Dolphins, 249 



Domestication of animals, 258 



Donkeys, 265 



Doves, domesticated races. 269 



Dragon fly, circulatory system, *62 



Drawings, student, 462 



Dura mater, 358 



Dyti<:us, larva, *160 



Ear, function and organs, 72; of 

 man, external part, *72; struc- 

 ture, 376; *37S; care of, 377; of 

 locust, *73 



Earthworm, dissection, *144 



Echinodermata, 140 



Eft, western brown, *203 



Elk, *2S1 



Empidonax fulvijrons pygmaus, 

 *225 



Emulsification, 312 



Enzyme, defined, 307; in gastric 

 juice, of man, 310; in; intestinal 

 fluid, 312 



Epeirida;, 168 



Epialtus produclus, *152 



Epidermis, of human body, 352 



Epiglottis, of human body, 308, 345 



Eumecus skeltonianus, *206 



Eustachian tube, in man, 376 



Excretion, in man, 350 



Excretory system, of human body, 

 290 



Exercise, efifect upon heart, 326 



Expiration, 346 



Eyes, of man, structure, 370; func- 

 tions, 370; formation of image 

 in, 373; accommodation, 373; 

 hygiene, 374; section, *372; of 

 moth, part of section showing ele- 

 ments, *77; of jelly fish, *75; of 

 vertebrate, *76; of horse fly, *76, 



compound, 77; of various ani- 

 mals, 75 



Family, defined, 114 



Fatigue, 342 



Fats, composition, 291, 298; as food 

 nutrient, 295; characteristics, 298; 

 tests for, 298 



Fehling's solution, 297 



Felidae, 256 



Ferae, 254 



Fertilization of plants, 451 



Fever, Texas cattle, caused by pro- 

 tozoan parasite, 130; yellow, 

 caused by protozoan parasite, 130 



Fibrin, 317 



Fish, 194; as food, 199; hatcheries, 

 199; circulatory system of, *63; 

 domesticated races, 272; how to 

 preserve, 482 



Flounder, *197 



Flowers and insects, 450 



Fly, guest of ant, *424 



Fly catcher, buff breasted, *22S 



Food, how animals obtain and digest, 

 59; necessity to animals, 54; spe- 

 cial means of getting, 401 



Food nutrients, 294; oxidation, 294 „ 

 function, 295; accessories, 300; 



Foods, chief substances in, 291; 

 composition, 296; relative value, 

 289; principles involved in cook- 

 ing, 299; economy in purchase, 

 300 



Fossils, how formed, 277; animals, 

 275 



Fowl, wild jungle, *272 



Foxes, 254 



Fracture, 337 



Frog, 201; eggs and hatching of, 97; 

 lite history, 97; tree, *202 



