674 



INDEX. 



Flustrella, 324 



Flying fi^li, 576 



Flying foxes, 638 



Flying squirrel. 639 



Fodientiu, 636 



Fontanelles, 521 



Food vacuole, 183 



Food yolk, 80 



Foot, 351 



Foramen magnum, 522 



Foramen Panizza;, 592 



Foraminifera, 196 



Fore brain, 533 



Fore gut, 104 



Forficula, 480 



Formative yolk, So 



Formicari:^, 487 



Fossa rhomboidalis, 535 



Fossores, 486 



Fowl, 613 



Fowl, digestive tract of, 105 



Fowl, egg of, 153 



Foxes, 647 



Fix-nulum 494 



F""ringillidx', 616 



Fritillaria, 506 



Frogs, 588 



Frons, 462 



Frontal bone, 523 



Frontal si)uis, 624 



Frontoparietal bone, 581 



Frugivora, 63S 



Fulcra, 573 



Function, change of, 100 



Function, communit}' of. 165 



F\ingia, 261 



Fungiacea, 261 



F\miculus, 322 



P'urca, 420 



Fiireula, 605 



Fur seal, 648 



Gadida-, 578 

 Gadus, 577, 57S 

 Galea, 463 

 Galeida;, 571 

 Galen, 12 

 Galeodes, 45^; 



Galeopithecidae, 649 



Galeopitliecus, 637, 649 



Galeus, 571 



Gall flies, 48C 



Gallinacea, 613 



Galls, 486 



Gallus, 614 



Gamasidse, 454 



Gamasus, 400, 454 



Gamm.'irina. 439 



Gammarus, 439 



Ganglion, buccal, 390 



Ganglion cells, 94 



Ganglion, cerebral, 123 



Ganglion, optic, 129 



Ganglion, stellate, 390 



Ganglion, supracesophageal, 123 



Ganglionic nervous system, 122 



Ganoid scale, 572 



Ganoidei, 558 



Ganoin. 558 



(japes, 302 



Garpike. 574 



Garter snake, 601 



Gasteropoda, 369 



Gasterosteus, 577 



Gastral tentacles, 246 



Gastrochsena, 368 



Gastrophilus, 493 



Gastrotricha, 295 



Gastrovascular space. 22S 



Gastrovascular system. 109 



Gastrula. 156 



Gastrulation, 156 



Gavialis, 602 



Gazella, 642 



Gecarcinus, 437 



Gecko, 598 



Gegenbaur, 18 



Gelasimus, 437 



Gemmaria, 241 



Gemmellaria, 324 



Gemmidx, 227 



Ciemmulari;i, 241 



Gena. 414, 462 



Cieneration, asexual, 140 



Generation by parents, 140 



Generation, sexual, 142 



