372 



INDEX 



Hydra, 65 ; Paramecium, 45 ; 

 Starfish, 79; Volvox, 37; Vorti- 

 cella, 51 



Fetal membranes, Chick, 235 ; Mam- 

 mal, 237 



Fibers, giant, 96 



Fibrin, 201 



Fibroblasts, 173 



Fibrous tissue, white, 173 



Fibula, 180 



Filaments, gill, 145 



Fish, tropical, 157 



Fishes, 154-157 



Fission, binary, 25, 31; Hydra, 64 



Fissure, dorsal, 211; ventral, 211 



Flagellates, 33, 34, 42 



Flagellum, Euglena, 30 ; Volvox, 36 



Flat-fish, 156 



Flexure, cervical, 235 



Flowering Plants, 11, 12 



Follicle, Graafian, 205 



Follicles, thyroid, 207 



Food (see Nutrition) 



Foot, Clam, 139, 142 ; Frog, 166, 180 ; 

 Hydra, 58 



Foramen magnum, 175 



Foramen of Monro, 210 



Foramina, brain, 210 



Foraminifera, 27 



Fore-brain, 209, 226 



Fore limb, 179, 180 



Fovea centralis, 220 



Frog, description, 165-221 ; labo- 

 ratory, 309-361; organ systems, 

 184-221; structure, 165-181 



Frontal-parietal bones, 175 



Fungi, 11, 12, 13; pathogenic, 13 

 (see Bacteria, Mold, Yeast) 



Funiculi, nerve, 214 



G 



Gall bladder, 183 



Gametic nuclei, 46; Ascaris, 357 



Ganglia, Bee, 133 ; cerebro-pleural, 

 147; Clam, 147; Crayfish, 110, 

 111; Earthworm, 95; Frog, 213, 

 214 ; Grasshopper, 123 ; fusion of, 

 in Crayfish, 110 



Ganglion, cerebral, 95, 110, 123, 133; 

 dorsal, 213 ; pedal, 147 ; prootic, 

 212; subesophageal, 95, 111, 133; 

 visceral, 148 



Gastral cavity, 54 



Gastric mill, 104 



Gastric vacuoles, Amoeba, 20, 23; 

 Paramecium, 40, 42; Vorticella, 

 49, 50 



Gastrocnemius, 170 



Gastrula, Earthworm, 94 ; Frog, 

 224; Chick, 234; Hydra, 66 



Gel, 7 



Genital aperture, Clam, 146 



Genital pores, Starfish, 79 



Genus, 27 



Germinal cells (see Eggs, and Sperm) 



Germinal epithelium, 205 



Germ layers, primary, 66 ; Chick, 

 234; Earthworm, 81, 94; Frog, 

 228 ; Hydra, 66 



Gestation, 238 



Gill chamber, 103, 107, 108 



Gill region, 226 



Gill slits, Frog, 149, 226 ; Chick, 236 



Gills, Clam, 143, 144, 145, 147 ; Cray- 

 fish, 103, 107, 108 ; Frog, 226, 228 ; 

 Chick, 236 



Girdles, pectoral, 179; pelvic, 180 



Gizzard, 85 



Glands, accessory, 130; calciferous, 

 85; combination, 207; ductless 

 (see Endocrine system) ; in alimen- 

 tary canal, 168, 186 ; mammary, 

 159, 168, 236 ; mucus, 167 ; poison, 

 128, 167; Silk Worm, 138; spin- 

 ning, Bee, 132 ; thyroid, 206 



Glenoid fossa, 180 



Glochidium, 147 



Glomerulus, 202 



Glossa, Bee, 125 



Glottis, 185, 190 



Glycogen, 189 



Golgi bodies, 5 



Gonads, Bee, 130, 131; Clam, 143, 

 146; Crayfish, 108, 109; Earth- 

 worm, 92, 93 ; Frog, 184, 204, 208 ; 

 Hen, 232; Hydra, 64, 65; Obelia, 

 70, 72 ; Starfish, 79 



Gonangia, 69, 72 



Gonionemus, 71, 273 



Gonotheca, 69 



Goose-fish, 156 



Graafian follicle, 205 



Grantia, description, 52-57; labora- 

 tory, 267 ; life processes, 55-57 ; 

 structure, 52-55 



