692 



INDEX. 



Ftrolidw, 338, 341. 



Fissilinguia, 462. 



Fission, 26, 28 ; of corals, 136. 



Fissirostres, 523, 527. 



Fissurdla, 340. 



Fissurdlidce, 336, 340. 



Flagella, 49, 83. 



Flagellata (Infusoria), 77, 83. 



Flamingo, 507. 



Flat-fishes, 388, 410, 422. 



Hints, origin of, 7 5. 



Float of Physophoridce, 107. 



Floscularia, 198, 201. 



Flukes (Suctorial worms), 189. 



Flustra, 9, 27, 303. 



Flying-Dragon, 465. 



Flying-Lemur, 628. 



Flying-Phalanger, 622, 629. 



Flying-Squirrel, 622, 629. 



Food of animals and plants, 10. 



Food-vacuoles, 55, 57. 



Foot, of Rotifera, 191 ; of Lamellibran- 

 chiata, 325 ; of Gasteropoda, 330 ; of 

 Heteropoda, 337 ; of Pteropoda, , 342 ; 

 of Cephalopoda, 345. 



Foot-jaws, of Lobster, 224 ; of Centipedes, 

 266. 



Foraminifera, 3, 27, 50, 58 ; sarcode of, 

 59 ; pseudopodia of, 60 ; test of, 68, 00 ; 

 unilocular and multilocular,61 ; stolons 

 of, ib. ; classification of, t>2 ; affinities of, 

 ti3 ; distribution of, in space ana time, 

 65. 



Forficula, 269. 



Formiddix, 289. 



Fowl, 516. 



Fox, 613, 614. 



Fox-bats, t>26. 



Francolinus, 510. 



Fratercula, 503. 



Fringilla, 525. 



Fringillidce, 523, 525. 



Fringing-reefs, 148. 



Frog, 439, 442 ; development of, 440. 



Fulgora, 279. 



Fulica, 508. 



Fuligula, 506. 



Fuligulince, 506. 



Functions, specialisation of, 14, et seq. 



Fungidm, 152. 



Funiculus, of Polyzoa, 304. 



Funnel, of Ctenophora, 144 ; of Cephalo- 

 poda, 345 ; of Nautilus, 355. 



Furculum, 487. 



Fusus, 339. 



GADID^E, 410. 

 Galeocerdo, 430. 

 Galeodes, 256, 261. 

 Galeopithecidce, 628. 

 Galeopithecus, 628, 631. 

 Galestes, <539, 6il. 

 Gallinacei, 515. 

 Galling, 487. 

 Gallinulce, 5u8. 

 Gallus, 516. 

 Gallyworm, 266. 

 Gammarus, 243. 

 Gampsonyx, 254. 

 Ganasida;, 260. 

 Gannet, 505. 

 Ganodus, 430. 



Ganoid (Scales of Fishes), 386. 



Ganoidei, characters of, 412 ; divisions of, 

 415 ; distribution of, in time, 428. 



Garrulince, 524. 



Gasteropoda, 293, 294, 295, 320 ; general 

 characters of, 329 ; foot of, 330 ; odou- 

 tophore of, ib. ; circulatory and respira- 

 tory organs of, 331 ; embryo of, 332 ; 

 shell of, 333 ; divisions of, 335 ; families 

 of, 339 ; distribution of, in time, 359. 



Gastornis, 535. 



6' astrobranchus, 405. 



Gastrochcena, 329. 



Gastrodicenidce , 827, 329. 



Gavial, 468, 470. 



Gavialis, 470. 



Gecarcinus, 250. 



Geckotidie. 465. 



Geese, 506. 



Gelasimus, 251. 



Gemitores, 515, 517. 



Gemmation, continuous and discontinu- 

 ous, 26 ; internal, 29 ; of Foraminifera, 

 62 ; of Vorticella, 80 ; of Hydra, 92 ; 

 of medusiform gonophores, 113 ; of 

 corals, 133 ; of Naididw, 210 ; of Errant 

 Annelides, 2i4 ; of Polyzoa, 301 ; of 

 Tunicata, 310. 



Gemmules, of Spongilla, 73. 



Generations, alternation of, 29 ; of Sal- 

 pians, 310. 



Generation, spontaneous, 37. 



Genette, 612. 



Geocorisce, 279. 



Geomelania, 341. 



Geophilus, 266. 



Gephyrea, 203, 204. 



Gerbillus, 621. 



Gibbon 636. 



Giraffe, 538, 591, 595, 646. 



Gizzard, of Insects, 271 ; of Birds, 492. 



Glabella, 239. 



Gladius (Cuttle-fishes), 349. 351. 



Glareola. 511. 



Glaucus, 34.1. 



Glires, 617 (see Rodent ia). 



Globicephalus, 578. 



Globigerina, 60, 62. 



Glutton, 610. 



Glycimeris, 328. 



Glyptodon, 643, 619. 



Glyptolepis, 428. 



Goat, 697. 



Goat-sucker, 522, 527. 



Gobiidce, 4 11. 



Goniaster, 167, 182. 



Goniatites, 355, 361. 



Goniodiscus, 182. 



Goniophyllum, 140. 



Gonoblastidia, 96. 



Gonocalyx. 95 ; structure of, ib. ; canals 

 of, ib. 



Gonophores, 94 ; medusiform, 95, 96, 105, 

 108, 112, 113, 120. 



Gonosome, 90. 



Gouotheca, 101. 



Gordiacea, 185 ; characters of, 194. 



Gordius, 194. 



Gorgonidoe, 141, 142; characters of, 147; 

 distribution of. in time, 152. 



Gorilla, 637. 



Gouridce, 518. 



