INDEX. 



929 



Hydrophyton, 245. 

 Hydrorhiza, 245. 

 Hydrospires, 578. 

 Hydrotheca, 245. 

 Hydrozoa, 745-748 ; v. also 



Sertularia, Hydra. 

 Hymenoptera, 511. 

 Hyoid, Aves, 63 ; Rana, 81 ; 



Teleostei, 93 ; Vertebrata, 



338,339. 



Hyomandibular, 93. 

 Hyostylic, 96. 

 Hypapophysis, 340. 

 Hypermetamorphosis, 151, 



508. 



Hyperoartia, 437. 

 Hyperotreti, 437. 

 Hypnocyst, 258, 822. 

 Hypobranchial, 93. 

 Hypobranchial organ, 474. 

 Hypocleidium, 61, 64. 

 Hypodermis, = Epidermis. 

 Hypohyal, 93. 

 Hypopharynx, 141. 

 Hypopus, 52811. 

 Hyposkeletal muscles, 337. 

 Hyposternum, Rana, 8 1, 82. 

 Hypostome, 246. 

 Hypotricha, 839. 

 Hyracoidea, 368. 

 Hyrax, 41. 



I. 



Ichthydium, 587. 

 Ichthyodorulite of Elasmo- 



branch, of Polypterus, 412. 

 Ichthyoidea, 408. 

 Ichthyomyzon, 437. 

 Ichthyopsida, 393. 

 IchthyorniS) 381 ; v. Aves, 



Columba. 



Ichthyosauria, 392. 

 Ilium, v. Pelvis. 

 ' Imperforate ' Foraminifera, 



884. 



Incisors, v. Teeth. 

 Incomplete, v. Pupa. 

 Individuality of proglottis of 



Cestoda, 231 ; of scolex 



and proscolex, 232-233. 

 Infraclitelliani, 207. 

 Infundibulum, 343. 

 Infusoria, 830-840 ; v. Para- 



mecium. 



Infusorigen, 816. 

 Insecta, 497-514; v. Peri- 



planeta, Sphinx. 

 Insect larvae, 150, 508. 

 Insectivora, 368. 

 Insessores, 380. 

 Integripallia, 490. 

 Integripalliate, 125. 



Intercalaria neuralia, 101,= 



Intercrural cartilages. 

 Intercellular water pores, 



Inter-crural cartilages, 415. 

 Interhyal, 93. 

 Interoperculum, v. Opercu- 



lum of Teleostei. 

 Interradii, Asterias, 190. 

 Interseptal chamber, 240, 



725. 



Interspinal bones, 94, 101. 

 Intertentacular tube, 236,708. 

 Intraclitelliani, 207. 

 Intraseptal chamber, 240, 



725. 



Ischiopodite, 163. 

 Ischium, v. Pelvis. 

 Isomastigoda, 855. 

 Isomya, 133, 490. 

 Isopleura, 470. 

 Isopoda, 540. 



J- 



Jacobson's organ, 346. 

 Janella,) tentacles of, 120. 

 Jaw of Helix ; 116; Hirudo, 



217 ; v. Lower jaw. 

 Jugal bones of Amia and 



PolyptentS) 414. 



K. 



Karyokinesis, xxii. 



Keber's red - brown organ, 



129, 134 ; v. Pericardia! 



gland. 



Keratin, 252. 

 Keratina, v. Ceratina. 

 Kidney, Vertebrate, 354. 

 Kowalewskaia, 442. 



L. 



Labial glands, Tropidonotus, 



68. 



Labium, 140, 141. 

 Labrum, 140, 141, 148. 

 Labyrinthulidea, 913. 

 Lacertilia, 391. 

 Lacinia, 141. 



Lacrymal gland, 2, 68, 262. 

 Lagena of Pisces, 420. 

 Lagenidae, 895. 

 Lagomorphi, v. Lepus. 

 Lamellibranchiata, 484-490 ; 



v. Anodonta. 

 Laopteryx, 380. 

 Larva, Insectan, 150, 508 ; 



Astacus, 171. 

 Larvacea, 447. 

 Larvate, v. Pupa. 



3 o 



Larynx, 350. 



Lateral areae of Nematodes, 



677. 

 Lateral line, 393, 395, 410; 



v. Branchial sense organs. 

 Laurer-Stieda canal, 647. 

 Leech, v. Hirudo. 

 Lemnisci of Acanthocephala, 



689. 



Lemuridae, 368. 

 Lepas, Nauplius, 304. 

 Lepidoptera, 510 ; v. Sphinx. 

 Lepidosiren, 432. 

 Lepidosteidae, 431. 

 Leptocephalidae, 429. 

 Leptodiscus, 854. 

 Leptomedusae, 759, 760-761. 

 Leptostraca, 540. 

 Lepus cuniculus, skeleton of, 



9-16 ; dissection of, 38 ; 



muscular system, 17-24 ; 



digestive, excretory, and 



reproductive systems, 24- 



38. 



Leucochloridium, 651. 

 Leucocytes, 353. 

 Leuconidae, 810. 

 Leucopsidae, 809. 

 Libera, v. Pupa. 

 Lichens, 242. 

 Ligament, elastic, Anodonta, 



125, 126. 

 Ligamentum diaphragmati- 



cum, 3, 4; nuchae, 15; 



vertebrale superius, 101. 

 Ligula, 141. 

 Limacinidae, 469. 

 Limax, plate, etc., 280-284. 

 Limbs, Insectan, 141, 157? 



295 ; cf. 299-302 ; Crusta- 

 cean, 163, 183, 304, 309. 

 Limbus, 239. 



Limnaeus, respiration, in. 

 Limnocodtum, 754. 

 Linguatulina, 529. 

 Lipocephala, 484. - 

 Lipostomy, 793. 

 Lithistina, 810. 

 LithocystiS) 864. 

 Lituohdae, 895. 

 Liver, Vertebrata, 349 ; v. 



hepato-pancreas. 

 Lobatae, 718, 724. 

 Lophiomys, 43. 

 Lophobranchii, 431. 

 Lorica of fcifusoria, 831. 

 Lota vulgarise 431. 

 Lower jaw, Vertebrata, 338, 



339- 



Loxosoma, 704. 

 Lucernaridae, 786 n, 788. 

 Luidia, pedicellariae, 193. 

 Lumbricus, 196-212, 317 ; ex- 



