834 



INDEX. 



Lucinidce, 403, 404. 

 Luidia, 202, 223. 

 Lumbricidce, 262. 

 Lurnbricus, 263. 

 Lutra, 744, 745. 

 Lycaon, 748. 

 Lycosaurus, 568. 

 Lyncus, 751. 

 Lynx, 751. 



Macacus, 778. 



M'Andrewia, 90. 



Macaw, 621. 



Macellodon, 554. 



Machairodus, 752. 



Machetes, 611. 



Mackerel, 488. 



Maclurea, 416. 



Macrauchenia, 699. 



Macrauchenidce, 699. 



Macrobiotidce, 320. 



Macrodactyli, 608. 



Macropodidce, 662. 



Macropus, 662. 



Macroscelidce, 770. 



Macroscelides, 770. 



Macrotherium, 678. 



Macrura, 283 ; characters of, 307 e seg. 



Mactridce, 404. 



Madreporaria, 158. 



Madreporidce, 164. 



Madreporiform tubercle, of Echinoidea, 

 195, 196 ; of Asteroidea, 202 ; of Ophiu- 

 roidea, 206 ; of Holothuroidea, 220. 



Jlfaia, 310, 311. 



Makrospondylus, 558. 



Malacodermata (Zoantharia), 154. 



Malacopteri, 485. 



Malacopterygii, 477, 483. 



Malacostraca, 283, 302. 



Malapterurus, 485, 486. 



Mallard, 606. 



Mallophaga, 345. 



Malpighian tubes, of Insects, 338. 



Mammalia, 458, 459; general characters 

 of, 639; osteology of, 640 e se#.; teeth 

 of, 648 e seg. ; digestive system of, 650 ; 

 circulatory system of, ib. ; respiratory 

 system of, 651 ; nervous system of, 652 ; 

 reproductive system of, 651 ; integu- 

 mentary system of, 652; primary divi- 

 sions of, 654 ; orders of, 656 e seg. ; dis- 

 tribution of, in time, 653 et seq. 



Mammoth, 731, 733. 



Manatee, 640, 680, 681, 682. 



Manatidce, 681. 



Manatus, 640, 681, 682. 



Mandibles, of Lobster, 281 ; of Arachnida, 

 316; of Myriapoda, 330; of Insecta, 

 336; of Cephalopoda, 421; of Verte- 

 brates, 450. 



Mandrill, 779. 



Mangue, 746. 



Manidce, 677. 



Manis, 648, 652, 673, 677. 



Mantis, 350. 



Mantle, of Tunicata, 381 ; of Brachiopoda, 

 390 ; of Lamellibranchiata, 399 ; of Gas- 

 teropoda, 405 ; of Cephalopoda, 419 ; of 

 Nautilus, 431. 



Manubrium, 116, 117, 118, 128, 141. 



Marabout, 611. 



Mareca, 606. 



Marginal bodies, of Mcdusce, 129 ; of Lu- 

 cernarida, 137. 



Marmoset, 776. 



Marmot, 760. 



Marsipobranchii, general characters of, 

 479-481 ; families of, 482 ; distribution 

 of, in time, 504. 



Marsupial bones, 655. 



Marsupialia, general characters of, 650 : 

 families of, 661 et seq. ; distribution of, 

 in space, 659 ; in time, 668 et seq. 



Marsupites, 223. 



Martens, 744. 



Martins, 628. 



Mastax, 249. 



Mastodon, 728, 731, 732, 733. 



Maxillae, of Lobster, 281; of Arachnida, 

 316; of Insecta, 336. 



Maxillipedes, of Lobster, 281 ; of Centi- 

 pedes, 330. 



May-flies, 351. 



Mazonia, 327. 



Meandrina, 164. 



Measles, of Pig, 234 ; of Ox, 235. 



Medusidce, 112 ; structure of, 127, 12S; 

 exact nature of, 130. 



Megacerops, 699. 



Megaceros, 716. 



Megacheiroptera, 765. 



Megaderma, 764. 



Megalonyx, 679. 



Megalosaurus, 567. 



Megalotes. 748. 



Megalotrocha, 248. 



Megapodidce, 615. 



Megaptera, 688. 



Megatherium, 679. 



Melania, 416. 



Melaniadce, 412, 415. 



Meleagrince, 614. 



Meleagris, 614, 618. 



Meles, 742. 



Melicerta, 248, 250, 251. 



Melidce, 742, 743. 



Meliphagidce, 627. 



Mellivora, 742. 



Melolontha, 361. 



Melonites, 201, 224. 



Melursus, 740. 



Membrana nictitans, of Birds, 590 ; of 

 Mammals, 652. 



Menobranchus, 512, 515, 517. 



Menopoma, 515, 517. 



Mentum, 337. 



Mephitis, 742, 744. 



Mergulus, 603. 



Meriones, 759. 



Meropidce, 629. 



Merostomata, 283 ; characters and divi- 

 sions of, 299. 



Merulidce, 627. 



Mesenteries, of Actinozoa, 152, 155, 160, 

 165, 175, 179. 



Mesohippus, 702. 



Mesopodium, 406, 414. 



Mesothorax, 335. 



Metamorphosis, 42 ; of Myriapoda, 329 ; 

 of Insecta, 341 ; incomplete, ib. ; com- 

 plete, 342. 



Metapodium, 406, 414, 416. 



