708 



INDEX. 



Lampreys, 409 

 Lamp Bliells, 188 

 Lancelet, 400 



Larva of Echinoderm^. 96, 105, 

 110, 113, 130 

 Hydrozoa, 83 

 Insects, 338 

 Worms, 333 

 Lasso-cells in Aurelia, 07 



Hydra, 53 



Infusoria, 37 



Polyps, 70, 81 



Sponges, 43 



Worms, 143 

 Lateral line of fishes, 443 

 Leaf insect, 077 

 Leech, 336 

 Lemnisci, 105 

 Lemur, 018 

 Lepas fascicularis, 203 

 Lepidoptera, 377, 387 

 Lepidosiren paradoxa, 430 

 Lepidosteus, development of, 433 

 osseus, 431 

 platystomus, 4D3 

 spatula, 433 

 Lepidurus Coueaii, 303 

 Lepomonera, 23 

 Leptocardii, 400, 408 

 Leptoceplialus, 440 

 Leptodiscus medusoides, 34 

 Leptoplana, 144 

 Leptosynapta Girardii, 134 

 Leptycbaster, 114 

 Lepus Americanus, 580 



Bairdii, 586 

 Lernaja branchialis, 297 

 Lerneonema radiala, 298 

 Leucocliloridium, 153 

 Lice, plant, 371 

 Ligula simplicissima, 163 

 Limacina arctica, 258 

 Limax flavus, 205 

 Limicolte, 544 

 Limnadia Agassizii, 302 

 Limnetis Gouldii, 301, 302 



Limnoria terebrans, 310 



Limpet, 363 



Limulus, anatomy of, 317 



development of, 330 



Polyphemus, 317 

 Lineus, 318 

 I/uigual ribbon of mollusks, 276, 



033 

 Linguatulina, 301 

 Lingula, 189, 190, 191 



pyraniidata, 195 

 Liodon, 500 



Lissotriton punctatus, 481 

 Lithobius Americanus, 358 

 Lithodomus, 350 

 Littorina littorea, 208 

 Liver fluke, 150 

 Lizards, sea, 504 



structure of, 501 

 Lobata;,95 



Lobster, anatomy of, 386 

 Locust, anatomy of, 338 

 Loggerhead turtle, 510 

 Loligo pallida, 273 



Pealii, anatomy of, 273 

 Loon, 541 



Lophius piscatorius, 400 

 Lophobranchii, 460 

 Lophohelia prolifera, 80 

 Lophophore, 183 

 Loxosoma, 185, 187 

 Lucernaria, 63 

 Lucifuga subterraneus, 459 

 Luidia, 114 

 Lumbricus agricola, 230 



rubellus, 330 



terrestris, 229 

 Lunatia heros, anatomy of, 361 

 Lung-fish, 428 

 Lymnajus appressus, 200 



elodes, 306 

 Lymphatics, 030 

 Lynx Canadensis, 617 



rufus, 017 

 Lyre-bird, 553 

 Lystrosaurus, 513 



