460 



INDEX 



Evolution, mouth, 218 



muscular system, 193 



paired appendages, 177 



ribs, 153 



sense cells, 393 



skeleton, 182 



skin, III 



skull, 162, 164 



spinal cord, 367-373 

 nerves, 376, 377 



sternum, 156 



teeth, 129 



urogenitary system, 290-297 



veins, 277 



vertebral column, 146 



visceral skeleton, 170 

 Excretory organs, 50, 92, 248, 290-297 

 Exoskeleton, 145 

 Exterior senses, 393 

 Externa, 285 

 External ear, 419 



genitals, 302, 323 



gills, 248 



respiration, 245, 246-249 



sphincter, 235 

 Extremities, 181 

 Eyeball, 412, 413 

 Eyelids, 412 

 Eyes, 64, 408-415 



coloring, 124 



unpaired, 415 



Facial angle, 164 



Facialis nerve, 352, 353, 354, 375 



Falciform ligament, 239 



Falx cerebri, 392 



Feathers, 116, 119, 120 



Felis, 3 



Female reproductive organs, 308-311,322, 



326 

 Fertilization, 29 

 Fetal membranes, 80 



structures, 82 

 Fibrin, 107 

 Fibrinogen, 107, 263 

 Filiform papillae, 223 

 Fin-fold theory, 177 

 Finger-prints, 115 

 Fins, 177, 181 



Fishes, 15, 77, 126, 148, 159, 160, 162, 

 167, 225, 231, 245-249, 259, 265, 

 272, 276, 278, 329, 331, 359, 367, 



369. 375, 397, 398, 403 

 Flame cells, 291 

 Flatworms, 193, 216, 236, 290, 291, 298, 



299, 341, 345, 346, 406 

 Floating ribs, 152 

 Floor plate, 385, 386 

 Foliate papillae, 223 

 Follicular layer, 308 

 Fontanelles, 170 

 Foot, 186 



Foramen epiploicum, 238 

 Forearm, 186 

 Fore-brain, 385 

 Fossil skulls, 165, 166 

 Fovea centralis, 411 

 Freckles, 123 



Friction-ridge patterns, 115, 1 16 

 Frog, 32, 40, 41, 42, 46, 47 

 Fungiform papillae, 223 



Gall bladder, 239, 240 

 Ganglia, 96, 340, 342, 412 



habenular, 351 



sympathetic, 358, 379, 381, 382 

 Ganoidei, 23, 162 

 Gastric gland, 228, 230 

 Gastrula, 44, 45 

 Genitals, external, 302, 323 



folds, 320 

 Geologic time, 25 

 Germ disc, 28, 42 



ring, 43, 47 

 Germinal bodies, 26 



cells, 387 

 Gestation, 35 



Gills, 65, 184, 246-249, 251, 252, 417 

 Girdles, 146, 178, 179, 181 

 Gladiolus, 153 

 Glands, 66, 91, 112, 124-127, 221 



adrenals, 327, 329 



anal, 126 



Brunner's, 232 



buccal, 221, 223 



bulbo-urethral, 314 



cardiac, 228, 230 



Cowper's, 314 



endocrine, 66, 120, 253, 324-337 



