712 



INDEX. 



Man, embryology of, 650 

 origin of, 627 

 relation to apes, 624 

 skull, 626 

 varieties of, 627 



Manatus, 595 



Mandrill, 620 



Manis, 580 



Mantis, 345 



Manubrium, 70 



Marine animals, distribution of, 

 664 



Marmoset, 619 



Marsupial ia, 574 



Marsipobranchii, characters of, 

 409, 410 



Mastodon giganteum, 599 



May fly, 347 



Mecoptera, 315 



Meckelia ingens, 156 



Medusa, 59 



Megalops, 293 



Megapoclius, 546 



Megatherium, 579 



Melanogrammus reglefinus. 458 



Melipoua, 365 



Mellita testudinata, 205 



Melo6 augusticollis, 353 



Melospiza, 555 



Membranipora, 138, 144 



Memory of animals, 681 



Menhaden, 450 



Menobranchus, 478 



Menopoma Alleghaniensis, 479 



Merostomata, 297, 306 



Mesenteries of polyps, 75 



Mesoderm, 6 



Mesogonistius chsetodon, 455 



Mesohippus, 602 



Mesozoa, 97 



Metabola, 366 



Metamorphosis, 651 



of Batrachia, 476 

 suppressed, 477, 485 



Metamorphosis, of Crustacea, 

 293 



of echinoderms, 187, 192, 



194 



Metridium marginatum, 74 

 Miastor, 653 

 Microsauria, 482, 483 

 Microstomum lineare, strobilation 



iu, 103 

 Midas, 620 



Migrations of animals, 667 

 Millepedes, 336 

 Millepora alcicornis, 57 



nodosa, 57 



Miluesium tardigradum, 361 

 Mimicry, protective, 675 

 Mimetes niger, 622 



pithecus, 621 

 Mind, in animals, 682 

 Miohippus, 602 

 Mites, 341 

 Moa, 538 



Moccasin snake, 500 

 Molacanthus Pallasii, 463 

 Mola rotunda, 462 

 Mole, 587 

 Molgula, 399 



Mollusca, development of, 233, 

 243 



structure of, 220 

 Molluscs, edible, 248 

 Monads, 31 

 Monas termo, 31 

 Monera, 18, 20 

 Money, shells used as, 269 

 Monitor, 504 

 Monkey, 619 

 Monocaulus, 60 

 Mouodelphia, 571, 577, 629 

 Monodon monoceros, 594 

 Monograptus, 62 

 Monostomum, development, of, 



107 

 Monotremes, 571 



