INDEX. 



681 



Libinia, 436, 437 

 Lice, 491 

 Lice, bird, 479 

 Lice, book, 479 

 Life, origin of, 140 

 Ligula, 286 

 Ligulidae. 286 

 Limacidaa, 383 

 Limacinidae, 382 

 Limax, 383 



Limbs of vertebrates, 527 

 Limicola, 315 

 Limitaiis cxterna, 540 

 Limitans interna, '540 

 Limnadia, 417 

 Limnaea, 383 

 Limnaeidse, 383 

 Limnocnida, 239 

 Limnocodium, 239 

 Limnoria, 441, 442 

 Limnothrips, 479 

 Limpets, 379 

 Limulus, 444 

 Linckia, 334 



Linear nervous system, 122 

 Linerges, 250 

 Lines of growth, 358 

 Lineus, 289, 292 

 Lingual ribbon, 355, 373 

 Linguatulida, 454 

 Lingula, 328 

 Linin, 65 



Linnsean system, 10 

 Linnaeus, lo 

 Liobunum, 451 

 Lion, 647 

 Liriope, 239, 242 

 Lithistidse, 226 

 Lithobiidse, 461 

 Lithobius, 461 

 Lithodidae, 437 

 Lithodomus, 367 

 Littorina, 379 

 Littorinidse, 380 

 Liver, 106 

 Liver fluke, 276 

 Lizards, 598 

 Lizzia, 240, 242 



Lobatae, 264 



Lobate foot, 614, 615 



Lobi inferiores, 563 



Lobosa, 189 



Lobster, 435 



Lobster, spiny, 436 



Locomotion, 12 1 



Locustidae, 481 



Locusts, 481, 489 



Loggerhead, 596 



Loligo, 384, 395 



Loligo, cleavage of, 155 



Longipennes, 615 



Loons, 615 



Lophobranchii, 578 



Lophodont teeth, 626 



Lophogastridae. 429 



Lophophore, 324 



Lophopoda, 324 



Lophopus, 324 



Lophs of teeth, 626 



Lorica, 200 



Loricata, 435, 577, 601, 636 



Loris, 649 



Lota, 578 



Love dart, 376 



Loven's larva, 309 



Loxia, 616 



Loxosoma, 322 



Lucernariae, 250 



Luciae, 510 



Lumbricus, 315, 316 



Lumbricus, anatomy of, 118 



Lunatia, 379, 380 



Lung book, 443 



Lung fishes, 579 



Lungs, 109, 547 



Lung sac, 443 



Lung sacs of birds, 609 



Lutra, 647 



Lycosa, 453 



Lyell, 23, 24 



Lygseidae, 489 



Lymph, 88, 90 



Lymph corpuscles, 90 



Lymph glands, 550 



Lymph System, 550 



Lymph vessels, 114 



