608 



INDEX. 



Imperfurata, 187. 

 Inachus, 478. 

 Inaequitelaj, 504. 

 Individual, 24, 25. 

 lufuudibulum of Cteno- 



phora, 263. 

 Infusoria. 191. 

 Insecta. 521. 

 Instinct, 1)4. 

 Iphimedia. 453. 

 Irenaeus, 435. 

 Iris, ss. 

 Irregular Sea-urchins, 



268. 



Isidor of Seville, 133 

 Isis, 231 

 Isogonism. 240. 

 Isopoda, 455. 

 Isopods, Parasites of. 



362. 



Itch-niites, 492. 

 Ixodes, 493. 



Japyx. 528. 554. 

 Jassus, 571. 

 Jejunum, 57. 

 Jera, 460. 

 Julus, 521. 



Kammmiicke, 578. 

 Kermes, 569. 

 Kidneys, 75. 

 Kleinzirpen, 571. 

 Kochlorine, 446. 

 Kohlschnaken, 578. 

 Kolumbaczer. 577. 

 Kornmotte, 582. 

 Kupferglucke, 584. 

 Kurzdeckfliigler, 590. 



Labi dura. 55(i. 

 Labium. 523. 

 Labrum. 523. 

 Lac, 569. 

 Lachnus, 570. 

 Lacinia. 523. 

 Lacon. 589. 

 Lady-bird, c87. 

 Ljemodipoda., 4.54. 

 Lagena. 187. 

 Lamark, 144. 

 Lamellicomia, 589. 

 Lamia, 527, 588. 

 Lampyris, 536, 589. 

 Land-bugs, 572. 

 Laud Crabs. 479. 

 Langwanzeu, 572. 

 Lantern-earlier. 571. 

 Laomedea, 242. 

 Laphria, 576. 

 Larentia. 583. 



Larva, 119. 



Larva of Loven, 362. 



Lasia, 576. 



Lateral lines of Nerna- 

 toda, 346. 



Laterigradte, 504. 



Laurer's canal, 318. 



Leaf-flea, ^70. 



Leaf-lice. 570. 



Leaf -wasps, 594. 



Lecanium, 543, 569. 



Ledermiiller, 133. 



Ledra, 571. 



Leech, 394. 



Leemvenhoek, 133. 



Lemnisci of Acanthoce- 

 phala, 360. 



Lens. S7. 



Lepadidse. 445. 



Lepas. 445. 



Lepidocentrus, 295. 



Lepidoptera, 579. 



Lepisma, 554. 



Leptidte, 577. 



Leptodera, 350, 357. 



Leptodiscus. 198. 



Leptodora, 422. 



Leptoplana, 311, 316. 



Leptostraca, 448. 



Leptus, 495 



Lernffia, 436. 



Lernasocera, 436. 



Lernteodiscus, 447. 



Lernffiopodidre. 436. 



Lestoruis. 177. 



Lestrigonus, 455. 



Leucaltis. 222. 



Leucandra. 222. 



Leucetta, 222. 



LeuchtzirpeH, 571. 



Leucifer. 471, 476.. 



Leucilla, 222. 



Leucochloridium. 321. 



Leucon. 47n. 



Lcuconia, 222. 



Leuconidas, 217. 



Leucons. 222. 



Leucortis. 222. 



Leucosolenia, 217, 222. 



Leuculmis. 222. 



Leuc3 r ssa. 222. 



Levantine sponges, 221. 



Libellula. 541. 562. 



Libellula, Development 

 of, 5i:,. 



Libellula. llectal respi- 

 ration of. 72. 



Lice. 568. 



Lice-flies. 57.V 



Ligia, 459. 460. 



Ligula, 338. 



Liguliclse, 328. 



Limeiiitis, 585. 



Limexylon, 589. 



Limicolaj, 385. 



Limnobates, 572. 



Limnobiidse, 578. 



Limnochares, 495. 



Limnodrilus, 385. 



Limnoria, 455, 460. 



Lirnulus, 483. 



Lina, 588. 



Linckia, 292, 293. 



Lineus. 343. 



Linguatulida, 487. 



Linnajus. 134. 



Liotheum. 568. 



Liparis, 583. 



Liriope, 242. 



Lithistidse, 220. 



Lithobius, 620. 



Lithodes. 478. 



Lithotrya, 444. 



Liver, 59. 



Liver Fluke, 317, 322. 



Livia. 570. 



Lobophora, 258, 297. 



Lobosa. 185. 



Lobster, 477. 



Locusta, 558. 



Longhorus, 577. 



Longicornia, 588. 



Loopers. 582. 



Lophogaster, 475. 



Lophoseris, 232. 



Loricata, 477. 



Loven's larva, 308, 362. 



Lucanus, 589. 



Lucerharia, 258. 



Luklia, 275, 293. 



Lumliriculus, 385. 



Lmnbrieus, 385. 



Lungs, 69. 



Lungs. Effect of ap- 

 pearance of, on vascu- 

 lar system, 65. 



L3 r ca?nidre, 585. 



Lycaretus, 374. 



Lycorid;e. 379. 



Lycosa, 504. 



Lyda, 594. 



Lyell, 144. 



Lyell's doctrine of gra- 

 dual changes, 166. 



Lygseus, 572. 



Lymnseus. Pulmonary 

 cavity of. 72. 



Lymph, 67. 



Lymphatic system, 67. 



Lysianassa, 451. 455. 



Lysidice. 379. 



Lvstra. 571. 



