INDEX. 



673 



Exoccipital bone, 522 

 Exocoetidse, 576 

 Exoccetus, 576 

 Exopodite, 410 

 Eugyra, 510 

 Extracapsulum, 193 

 Exumbrella, 235 

 Eyes, 129 



Eyes of Vertebrates, 539 

 Eye spot, 183 



Fabricius, 13 



Face, bones of, 525 



Faceted eye, 403, 404 



Facial nerve, 536 



Factors of evolution, 44 



Fairy shrimp, 417 



Falciform spores, 215 



Falco, 617 



Falcons, 617 



Falconiformes, 616 



Fasciolaria, 276 



Fat body, 407, 468 



Faunal provinces, 175 



Fa via, 260, 261 



Favositidse, 259 



Feather tracts, 603 



Feathers, 603 



Feathers, molting of, 6li 



Fecundation, 147 



Felidse, 647 



Felis, 647 



Femoral pores, 589 



Femur, 463, 529 



Fenestra oval is, 544 



Fenestra rotunda, 544, 593 



Fertility of hybrids, 29 



Fertilization of eggs, 147, 148 



Fertilization in Protozoa, 206 



Fibre, 639 



Fibrec, nerve, 94 



Fibula, 529 



Fibulare, 529 



Fiddler crab, 437 



Field mice, 639 



Fierasfer, 349 



Filaments, mesenterial, 252 



Filar substance, 61 



Filaria, 303 

 Filibranch, 362 

 Filibranchiata, 365 

 Fin backs, 646 

 Finches, 616 

 Fins, 526. 562 

 Fireflies, 484 

 Firmisternia, 588 

 Fish hawk, 617 

 Fishes, 557 

 Fishes, tails of, 41 

 Fishes, circulation in, 1 12 

 Fissilinguia, 599 

 Fissipedia, 647 

 Fissurella, 378 

 Fissurellidse, 379 

 Fissures of the cord, 532 

 Flabellum, 410 

 Flagellata, 200 

 Flagellate epithelium, 75 

 Flagellum, 376 

 Flame cell, 116, 280 

 Flamingo, 615 

 Flat worms, 267 

 Flea, snow, 477 

 Fleas, 493 

 Flesh flies, 493 

 Flies, 491 

 Flies, black, 493 

 Flies, blow, 493 

 Flies, bot, 493 

 Flies, caddis, 483 

 Flies, crane, 492 

 Flies, dragon, 479 

 Flies, fire, 484 

 Flies, flesh, 493 

 Flies, gall, 486 

 Flies, harvest, 489 

 Flies, Hessian, 492 

 Flies, horse, 493 

 Flies, house, 492, 493 

 Flies, May, 479 

 Plies, robber, 493 

 Flies, saw, 485, 486 

 Flies, Spanish, '484 

 Flies, stone, 479 

 Fluke, 276 

 Flustra, 324 



