INDEX. 



711 



Lepus Americanus, 586 



Bairdii. 586 

 Lernsea biancliialis, 277 

 Lerneonema radiata, 278 

 Leucochloridium, 153 

 Lice, plant, 350 

 Ligula simplicissima, 162 

 Limacina aictica, 238 

 Limax flavus, 245 

 Limicolae, 544 

 Limnadia Agassizii, 282 

 Limnetis Gouldii, 281, 283 

 Limnoria terebrans, 290 

 Limpet, 248 

 Limulus, anatomy of, 297 



development of. 300 



Polyphemus, 297 

 Lineus 218 

 Lingual ribbon of mollusks, 256, 



632 

 Linguatulina, 340 

 Liugula, 189, 190, 191 



pyramidata, 195 

 Liodon, 500 



Llssotriton punctatus, 481 

 Litbobius Americanus, 838 

 Lithodomus, 230 

 Liltorina littorea, 248 

 Liver fluke, 150 

 Lizards, sea, 504 



structure of, 501 

 Lobatae, 95 



Lobster, anatomy of, 266 

 Locust, anatomy of, 808 

 Loggerhead turtle, 510 

 Loligo pallida, 253 



Pealii, anatomy of, 253 

 Loon, 541 



Lophius piscatorius, 460 

 Lophobranchii, 460 

 Lopbohelia prolifera, 80 

 Lophophore, 182 

 Loxosoma, 185, 187 

 Luceruaria, 63 



Lucifuga subterraneus, 459 

 Luidia, 114 

 Lumbricus agricola, 310 



rubellus, 210 



terrestris, 209 

 Lunatia lieros, anatomy of, 341 

 Lung-fish, 428 

 Lymnasus appressus, 246 



elodes, 246 

 Lymphatics, 636 

 Lynx Canadensis, 617 



rufus, 617 

 Lyrebird, 552 

 Lystrosaurus, 513 

 Lytta marginata, 353 



Macacus, 620 



Machilis, 345 



Mackerel, 456 



Macrobiotiis Americ.inus, 840 



Miicropus tlielidis. 577 



Mactra latenilis, 239 



ovalis, 331 

 Madrepora cervicornis, 82 

 Mseandrina, 80, 81, 84 

 Magpie, 554 

 Malacopoda, 335, 365 

 Malapterurus electricus, 449 

 Male fishes, obstetrical habits of| 



449, 461 

 Mallotus villosus, 453 

 Mammalia, anatomy of, 564 



characters of, 557, 628 



development of, 566 



ears of, 563 



hair of, 561 



horns of, 561 



limbs of, 560 



music of, 569 



sexual differences of, 566 



skeleton of, 558 



teeth of, 562 

 Mammals, development of, 649 

 Mammoth, 598 



