1 



586 INDEX. 



Koch, ii. 451 

 Kolpoda, i. 169 



Labium of insects, ii. 1 1 

 Labrum, ii. 110 

 Labyrinth of ear, ii. 381 

 Lacepede, i. 386 

 Lacerta, i. 407 

 Lacrymal caruncle, ii. 418 

 Lacryinal gland, ii. 416 

 Lacteal absorption, ii. 200 

 Lacteals, ii. 96 

 Lamarck, ii. 82, 570 

 Lamina spiralis, ii. 384 

 Lamina dorsalis, ii. 542 

 Lamprey, i. 372; ii. 104, 105, 



276, 392 

 Lancets of diptera, ii. 103 

 Language of insects, ii. 346 

 Lantern of Aristotle, ii. 106 

 Lark, i. 514 

 Larva, i. 274 

 Lassaigne, ii. 163 

 Latham, ii. 168 

 Latreille, i. 260 ; ii. 285, 348, 



441 

 Latex, ii. 43 



Laticiferous vessels, ii. 43 

 Law of analogy, i. 41 ; ii. 560 

 Law of co-existence of forms, i. 



42 

 Law of gradation, ii. 563 

 Law of mortality, ii. 521 

 Law of symmetry, ii. 553 

 Laws of nature, i. 4 

 Leach, i. 197 

 Leaping, i. 302 

 Leaves, fibres of, i. 67 

 Leaves of vertebrae, i. 351 

 Leech, i. 127; ii. 92, 102, 112, 



231,270 

 Lefehvre, ii. 369 

 Lemna, ii. 529 

 Lemur, ii. 258, 450 

 Lemur volans, i. 485 

 Lens, convex, ii. 409 

 Lens, crystalline, ii. 413 

 Lcnticellsc, i. 81 

 Lepas, i. 230 ; ii. 268 



Lepidoptera, i. 316, 272; ii. 



102, 191 

 Lepisma, i. 266, 267, 317, 320 

 Lernaoa, i. 271 ; ii. 538 

 Leuwenhoeck, ii. 135, 254 

 Leuchs, ii. 431 

 Leucophra, ii. 85, 86 

 Leucopsis, i. 304 

 Leuret, ii. 163 

 Levers, i. 333 

 Libellula, i. 277, 311, 314; ii. 



434, 435, 439 

 Liber, i. 75, 76 

 Lichen, ii. 16 

 Life, i. 35 

 Ligament, i. 92 

 Ligament, ciliary, ii, 413 

 Ligament, elastic, i. 93 

 Ligamentum nuchae, i. 93, 444 

 Light, properties of, ii. 405 

 Light on plants, ii. 25 

 Lignin, i. 62 ; ii. 5 

 Ligula, ii. 64 

 Lilium, i. 68 

 Limax, ii. 113, 286 

 Limpet, i. 194; ii. 194 

 Link, i. 60 

 LinncBus, i. 183 

 Lion, i. 94, 439, 467, 468 ; ii. 



122, 255,259, 351, 500 

 Lister, ii. 216, 242, 272 

 Living nature, i. 8 

 Liver, ii. 96 



Liver, vessels of, ii. 314 

 Lizards, i. 406; ii. 318, 350, 



444, 445 

 Lob-worm, ii. 267 

 Lobster, i. 260; ii. 149, 271, 



236, 489, 490 

 Lobularia, i. 146 

 Loche, ii. 280 



Locomotion, powers of, i. 131 

 Locust, i. 320 

 Locusta, ii. 108 

 Logarithmic spiral, i. 218 

 Loiigo, i. 234, 362 ; ii. 243 

 Longevity of trees, ii. 555 

 Longicora, fi. 435 

 Longicornua, i. 297 



