832 



INDEX. 



Hydrophyllia, 132. 



Hydropotes, 713, 717. 



Hydrorhiza, 110. 



Hydrosaurus, 550. 



Hydrosoma, 110. 



Hydro theca, 122. 



Hydrozoa, 106, 108; characters of, 109; 

 terminology of, 110 ; divisions of, 111 ; 

 reproduction of, 115-119; Oceanic, 131 ; 

 distribution of. in space and time, 149- 

 151. 



Hyla, 510, 522. 



Hylidce, 522. 



Hylobates, 780. 



Ilylodes, 511, 521. 



Hymenocaris, 313. 



Hymenoptera, 335, 340, 343, 344 ; charac- 

 ters of, 356. 



Hyocrinus. 213, 222. 



Hyoid arch (Fishes), 465, 465. 



Hyperodapedon, 554. <> 



Hyperoodon, 691. 



Hypobythius, 387. 



Ilypochthon, 516. 



Hypostome of Trilobites, 297. 

 Hypsiprymnus, (562, 664. 



tly 



Hyracoidea, general characters of, 727. 



Hyrax, 641, 727, 728. 



Hystricidce, 755, 760. 



Hystrix, 755. 



Ibis, 611. 



Ichneumon, 746. 



fchneumonidce, 358. 



Ichthyodorulites, 486, 495, 506. 



1 chthyomorpha, 515. 



Ichthyophthira, 283, 284. 



Ichthyopsida, 459. 



Ichthyopterygia, 530 ; characters of, 559. 



Ichthyornis, 571,636. 



Ichthyosauria, 559. 



Ichthyosaurus, 559, 500, 5(51. 



Ictitherium, 751. 



Idothea, 305. 



Idyia, 180. 



Iguana, 546, 550. 



Iguanidce, 550. 



Iguanodon, 567. 



Ilyanthidce, 156. 



Ilyanthus, 156, 157. 



Imago, 341, 343. 



Imperforata (Foraminifera), 66, 73. 



Implacentalia (Mammalia), 654. 



Inarticulata (Brachiopoda), 393, 394. 



Indicator, 620. 



Individuality, general definition of, 34. 



Indris, 775. 



Infusoria, spontaneous generation of, 44, 

 46 ; characters of, 94 ; divisions of, 95 ; 

 Ciliated, to.; Suctorial, 99; Flagellate, 

 99 ; compared with Rotifera, 252. 



Inia, 690. 



fnoperculata, 415. 



Inorganic and organic matter, differences 

 between, 2-5. 



Insecta, 274, 275 ; general characters of, 

 333 et sflq. ; organs of the mouth of, 336 ; 

 wings of, 335 ; digestive system of, 337 ; 

 tracheae of, 339; circulation of, 338; me- 

 tamorphoses of, 341 ; parthenogenesis 

 of, 38 et seq.; sexes of, 341 ; orders of, 

 344 et seq. ; distribution of, in time, 344. 



Insectivora, general characters of, 766 ; 

 families of, 766-770 ; distribution of, in 

 time, 771 ; (Bats), 763. 



Insessores, 595; characters of, 622; sec- 

 tions of, 624. 



Integro-pallialia, 401, 403. 



Inuus, 778. 



Invertebrate, general characters of, 444. 



Irish Elk, 716. 



Irregular Echinoids, 197, 200. 



Ischiodus, 497, 507. 



/sis, 169, 185. 



Isopoda, 283, 302 ; characters of, 304 ; de- 

 velopment of, 304, 305 ; distribution 

 of, in time, 314. 



Itch-mite, 321. 



lulidce, 330. 



lulus, 330. 



Jxodes, 322. 



Ixodidce, 322. 



Jacana, 609. 



Jackals, 747, 748. 



Jaguar, 750. 



Jelly-fishes, 127 ; urticating powers of, 

 127 ; nature of, 130 ; former classifica- 

 tion of, 127. 



Jerboa, 759. 



Jumping-hare, 759. 



Jumping-mouse, 759. 



Kakapo, 621. 

 Kangaroo, 659, 662, 663. 

 Kangaroo-bear, 664. 

 Kangaroo-rat, 662, 663. 

 Keratode, 87. 

 Keratosa (Sponges), 87. 

 Keyhole Limpets, 412. 

 King-crabs, 300. 

 Kingfishers, 628, 629. 

 King Vulture, 633. 

 Kinkajou, 741, 742. 

 Kiwi, 598. 

 Koala, 664. 

 Koleops, 243. 

 Koodoo, 719. 



Labyrinthodon, 523, 524. 



Lab'yrinthodontia, 512, 522, 523, 524. 



Lacerta, 549. 



Lacertidce, 549. 



Lacertilia, 530 ; general characters of, 

 545 ; families of, 547-554 ; distribution 

 of, in time, 554. 



Lady-birds, 362. 



Lcemodipoda, 283,302; characters of, 303. 



Lagena, 68, 69. 



Lagenida, 74. 



Lagidium, 756. 



Lagomydce, 754, 760. 



Lagomys, 754. 



Lagopus, 614. 



Lagostomus, 756. 



Lamellibranchiata, 36", 367, 368 ; general 

 characters of, 396 ; shells of, 397, 398 ; 

 digestive system of, 399; circulatory 

 system of, 400 ; mantle of, 399; bran- 

 chiae of, 400 ; reproduction of, 402 ; 

 muscles of, ib. ; habits of, 403 ; divi- 

 sions of, ib. ; distribution of, in time, 

 404. 



Lamellicorn Beetles, 362. 



