INDEX. 



401 



MAM 



Mammalia con tinned '. 



their masticatory organs, 338 



stomachs of ruminants, 345 



intestinal structure of ruminants, 



346 



tongues of mammalia, 348 



cheek- pouches, 350 



the senses of mammalia, 350 

 their eyes, 351 



smell, 352 



feeling, 352 



defensive and aggressive provisions 



for quadrupeds, 355 



provisions for their safety, 361 



habitations of quadrupeds, 361 



gregarious quadrupeds, 369 



friendship of quadrupeds, 372 



their affection for man, 373 



and for their young, 373 



their services rendered to man, 375 



protection of quadrupeds against the 

 severity of winter, 379 



their winter sleep, 379 



happiness of the brute creation, 380 

 Man, preparation of the earth for the 



reception of, 42 



his subterranean treasuries, 46 



influence of the seasons on him, 47 

 his pre-eminence, 382 



his greatness and his weakness, 382 



his brain, 383 



the nerves, 384 



the optic nerve, 385 



the acoustic nerve, 385 



the olfactory and gustative nerves, 



386 

 the spinal nerves, 386 



man and the ape compared, 389 



his hand, 389 



his skull, 390 



his pelvis, 391 



his foot, 391 



muscular apparatus of the face of 



man,.392 



the aims of human existence, 392 

 Mangrove, aerial roots of the, 59 



their formation of new land, 59 

 Manis, tail of, 336 



Mantis, hunting manoeuvres of the, 212 

 Marmot, its protective instinct, 370 



its happiness, 381 



Marsupialia, parental affection of the, 



374 



Medusae, structure of the, 126 

 Moitfichilae, or leaf-cutters, their nests, 



227 



Melon-cactus, prickles of the, 68 

 Meteoric stones, 5 



great numbers of, 6 



composition of, 6 

 Microscopical plants, 93 



NES 



Microscopical plants continued. 



uncertain limits between the animal 



and vegetable world, 93 



simplest form of plants, 94 



protococci, 94 



oscillatorise, 95 



volvocinse, 96 



desmidise, 97 



diatomacese, 98 



protozoa, 101 



rhizopods and foraminifera, 101 



Milky way, the, 8 



Mole, structure of the, 325 



its eyes, 351 



its burrows, 366 



Mole-cricket, its means of burrowing, 

 198 



its architectural skill, 225 

 Mollusca, number of living species of, 



141 



characters of molluscs, 141 



flustra, or sea-mats, 142 



solitary and compound ascidians, 



144 



salpse, 147 



pyrosomata, 148 



conchifera, 149 



gasteropoda, 154 



pteropoda, 1 59 



onychoteuthis, 163 



number and importance of the mol- 



luscs, 164 

 Mongoos, his destruction of serpents, 



285 

 Monkeys, structure of, 330 



prehensile tails of some, 335 



their vigilance and cunning, 357, 



370 



their protective instincts, 370, 371 



man and the apes compared, 389 

 Moon, its distance from the earth, 3 



its influence on marine life, 23 

 Mountains, their contributions to the 



formation of tracts of fertile land, 38 

 Mullingong, formation of the, 320 

 Musacese, leaves of the, 72 

 Mushrooms, marvellous rapidity of their 



growth, 51 

 Musquash, habitations of the, 365 



"VTAEWHAL, horn of the, 344 



.IN Nebulse, constituents of many of 



the, 8 



Necrophori, or sexton-beetles, 221 

 Nemertes gigas, 171 

 Neptune, the planet, discovery of, by 



Le Verrier, 5 

 Nereocystis lutkeana, its marvellously 



rapid growth, 51 

 Nests of birds, 302 



D D 



