702 



INDEX 



Eunice, 186, 187 



Euphotic zone, 632 



Euplectella, 101 



Eupomatus, 193 



Eustachian tube, 330, 468, 549 



Euthenics, 598, 600 



Eutheria, 495 



Eutrombicula, 275, 279 



Even-toed hoofed mammals, 496 



Evolution, causes of, 620 



classification, 611 



convergent, 610, 612 

 aquatic, 612 



crayfish appendages, 203 



divergent, 610, 611 

 mammals, 611 



evidences of, 610 



heart, vertebrates, 340 



historic record, 615 



horse, 616, 618,619,620 



man, 623-626 



mutations, 621 



organic, 610, 620 



parasitism, 641 



sex, 561, 562 

 Excitability, 20 

 Excretion, 20, 537 

 Excretory canal, 144 



organ, 538 



pore, 151,202 

 Excretory system, 87 



amphioxus, 320 



Ascaris, 150, 151 



bird, 41 



cat, 469 



clam, 286, 287 



coelenterata, 117 



crayfish, 208 



dogfish shark, 373, 374 



earthworm, 178 



fish, 384 



frog, 339 



insect, 237 



lamprey, 364 



man, 537,539 



Metazoa, 83 



planarian, 135, 136 



Scypha, 96 



spider, 271 



starfish, 306 



tapeworm, 141 



turtle, 410 

 Excurrent canal, 96 

 Exoccipital, 343, 344 

 Exocoetidae, 379 

 Exocrine, 540 

 Exophthalmic goiter, 552 

 Exopodite, 201, 203, 205 

 Exoskeleton, 540 



Arthropoda, 197 

 crayfish, 198 

 fish, 380 

 grasshopper, 230 



Experiment, expiration and respira- 

 tion, 535 

 Experimental cell research, 22 



embryology, 567 



embryonic induction, eye in 

 embryo, 567 

 Expiration, 535, 536 

 Expressivity of gene, 589 

 Extensor cruris, 350 



of hand, 506 



longus digitorum, 467 



muscle, 202 

 External carotid artery, frog, 336, 

 338 



ear, 549 



gills, 358 



jugular veins, 337, 338 



nares, 327 



oblique muscle, 347, 348, 467, 

 506 



respiration, 333 



secretion, 551 

 Extinct birds, 456 

 Extracellular digestion, 1 1 3 

 Extraembryonic coclom, 478 

 Exumbrella, 118, 120 

 Eye, amphious, 320 



bird, 442 



centipede, 226 



crayfish, 202, 209, 210 



flatworm, 135 



frog, 355, 356 



honeybee, 233 



man, 550, 551 



inheritance of color in, 596 



Peripatus, 224 



planaria, 135, 136 



sandworm, 183, 184 



spot, 307, 318, 320 



squid, 295 

 Eyeball, 351, 355 

 Eyebrush, 245 

 Eyelids, 355, 550 



Face, 501 



muscles, 506 

 Facets, 209,210, 231 



Facial nerves, 351, 353, 546 



Fairy shrimp, 199, 215 

 Falcon, 451,461 

 Falconiformes, 433, 461 

 Falconlikebirds, 453, 461 

 Fallopian tube, 343 

 Fallout, 594 

 False ribs, 501 

 Family tree, 603, 607 

 Fangs, 417 

 Fantail pouter, 456 

 Fascia lata, 347 



Fasciola, 139-141, 145,147 



{see Liver fluke) 

 Fasciolopsis, 145 

 Fat, 18, 520, 542 

 body, 341, 342 

 cell, 329 

 droplet, 21 

 globule, 23 

 Fatigue, 508 

 Fatty acids, 19 

 Feather, 434, 435 

 axial rod, 434, 435 

 barbs, 434, 435 

 barbule, 435 

 contour, 434, 435 

 down, 435 

 filoplume, 435 

 booklets, 434, 435 

 primary, 438 

 quill, 434, 435 

 secondary, 438 

 shaft, 434, 435 

 star, 311 

 tertiary, 438 

 tract, 435, 436 

 vane, 434, 435 

 Featherless areas, 436 

 Feeblemindedness, inheritance of, 



596 

 Feet, birds, 445, 446 

 FeZis, 465, 491,494 

 Female worker bee, 251 

 Femoral artery, 337 

 nerve, 351 

 vein, 337, 338 

 Femur, 231, 233, 245, 343, 346, 



437, 501 

 Fertilization, 80, 81, 115, 151, 



212, 356, 564, 575 

 Fetus, 476 

 Fibrils, 110 

 Fibrin, 335, 526 

 Fibrinogen, 526 

 Fibula, 437, 501 

 Fiddlercrab, 217, 218 

 "Fiery serpent," 1 59 

 Fig, Smyrna, 640 



wasp, 640 

 Filaria, 158 

 Filarioidea, 161 

 File fishes, 395 

 Filial generation, 579 

 Filoplume, 435 

 Filum terminale, 351 

 Fin, caudal, 167, 316.318 

 dorsal, 316, 318, 368 

 lateral, 167 

 pectoral, 368 

 pelvic, 368 

 rays, 316, 318, 319 

 theory, 387 

 ventral, 316, 318 

 Finfold theory, 387 



