INDEX. 



711 



Lepus Americanus, 586 



Bairdii, 586 



Lerusea branchialis, 277 

 Lerneonema radiata, 278 

 'Leucochloridiuui, 152 

 Lice, plant, 350 

 Ligula simplicissima, 162 

 Limacina arctica, 238 

 Limax flavus, 245 

 Limicoloe. 544 

 Limnadia Agassizii, 282 

 Limnetis Gouldii, 281, 282 

 Limnoria terebrans, 290 

 Limpet, 248 

 Liinulus, anatomy of, 297 



development of. 300 



Polyphemus, 297 

 Lineti, 218 

 Lingual ribbon of mollusks, 256, 



632 



Liuguatulina, 340 

 Liugula, 189, 190, 191 



pyramidata, 195 

 Liodon, 500 



Lissotritor. punctatns, 481 

 Litbobius Americanus, 338 

 Litbodomus, 230 

 Littorina littorea, 248 

 Liver fluke, 150 

 Lizards, sea, 504 



structure of, 501 

 Lobatae, 95 



Lobster, anatomy of, 266 

 Locust, anatomy of, 308 

 Loggerhead turtle. 510 

 Loligo pallidii, 253 



Pealii, anatomy of, 253 

 Loon, 541 



Lophius piscatorius, 460 

 Lopbobraucbii, 460 

 Lophohelia prolifera, 80 

 Lophopbore, 182 

 Loxosoma, 185, 187 

 Lucernaria, 63 



Lucifuga subterraneus, 459 

 Luidia, 114 

 Lumbricus agricola, 210 



rubellus, 210 



terrestris, 209 



Lunatia beros, anatomy of, 241 

 Lung-fish, 428 

 Lymnaeus appressus, 246 



el odes, 246 

 Lymphatics. 636 

 Lynx Canadensis, 617 



rufus, 617 

 Lyre bird, 552 

 Lystrosaurus, 513 

 Lytta margin ata, 353 



MACACUS, 620 



Macbilis, 345 

 Mackerel, 456 



Macrobiotus Americanus, 340 

 Macropus t bet id is. 577 

 Mactra lateral is, 229 



ovalis, 231 



Madrepora cervicornis, 82 

 Maeandrina, 80, 81, 84 

 Magpie, 554 

 Malacopoda, 335, 365 

 Malapterurus electricus, 449 

 Male fishes, obstetrical habits of, 



449, 461 



Mallotus villosus, 452 

 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 



