956 



INDEX 



Metagnatha, 406. 



Metakinesis, 57. 



Metamorphosis of Anodonta, 455. 



— of Crustacea, 359. 



— of Echinoderma, 315. 



— of frog, 673. 



— of Insects, 401. 



— of lamprey, 585. 



— of lung-fish, 648. 



— of Tunicata, 506, 507. 

 Metanauplius, 359. 

 Metanephros, 566. 

 Metanemertini, 235. 

 Metaplasm, 51, 52. 

 Metapleural fold, 516. 

 Metapterygium, 595. 

 Metasoma (scorpion), 413. 

 Metatarsals, 538. 

 Metatheria, 3, 837. 

 Metatroch, 262. 

 Metazoa, 13. 



— and Protozoa, 13, 142, 151. 



— reproduction in, 62. 

 Metencephalon, 542. 

 Miastor, 395. 

 Microchiroptera, 880. 

 Micro-dissection, 55. 

 Microdrili, 266. 

 Microhydra, 180, 205, 209. 

 Microlestes, 837. 

 Micromere, 526. 

 Micronucleus, 118. 

 Micropyle, 68, 73, 396. 

 Microstoma, 214. 

 Microzooids, 120. 

 Midas, 884. 



Midge, 406. 



Mid-gut = Mesenteron, 553, 558. 



Migration of Birds, 762. 



Milk, 783, 818. 



Millepora, 201, 204. 



Millipede, mouth-parts of, 368. 



Millipedes, 366, 367, 368. 



— and centipedes, 369. 

 Milt, 628. 



Mimicry in insects, 387, 403. 



Minous, 209. 



Miracidium, 218. 



Mites, 422. 



Mitochondria, 53. 



Mitosis, 56. 



Moa, 3, 4, 761, 770. 



Modes of inheritance, 90. 



Modification, 89, 910. 



Modifications, environmental, 910. 



— functional, 911. 

 Modiola, 480. 

 Moina, 340. 

 Molars, 815. 

 Mole, 827, 874. 



— fore -arm and hand of, 875. 

 Mole-cricket, 407. 



Molge, 678, 678. 

 Molgula, 508. 

 Molgus, 423. 

 Mollusc, ideal, 434. 



Mollusca, 8, 433. 



— classification of, 470. 



— general characters of, 433. 



— shell of, 437, 469. 



Molluscan development stages in, 435, 



476. 

 Molluscoidea, 284. 

 Moloch, 702. 

 Molpadiidae, 310. 

 Monachus, 874. 

 Monaxonida, 164. 

 Monera, 139. 

 Mongoose, 872. 

 Moniezia, 229. 

 Monitor, 703. 



Monkey, fore-limb of, 888. 

 Monkeys, 884. 

 Monocystis, 122, 247. 



— life-history of, 123. 

 Monodelphia, 2. 

 Monodon, 864. 

 Monomeniscous eyes, 389. 

 Monostomum, 223. 

 Monotremata, 3, 813, 833. 

 Monoxenia, 195, 205. 



— life-history of, 82. 

 Montacuta, 481. 

 Moose, 852. 

 Mordacia, 585. 

 Morphology, 40. 

 Morse, 874' 

 Morula, 81. 

 Mosaic egg, 78. 

 Mosasaurus, 720. 

 Moschus, 850, 852. 

 Mosquito, 408, 411, 



— destruction of, 409. 



— mouth-parts of, 386. 

 Mother of pearl, 469. 

 Moths, 384, 406. 

 Moulting of birds, 761. 



— of cockroach, 373. 



— • of cuticle of crayfish, 321. 



Mouse, 867. 



Mouth of Vertebrate, 554. 



Movement in plants and animals, 



23- 



— in Protozoa, 136. 

 Mucus canals of skate, 590. 



— glands of Myxine, 575. 

 of snail, 445. 



Mud fishes, 641. 



— line, 902. 

 Miillerian duct, 568. 

 Multiple conjugation, 63, 142. 

 Multituberculata, 832. 

 Muraenidac, 641. 



Murex, 477. 

 Mus, 829, 867. 

 Musca domestica, 410. 

 Muscle cell, smooth, 49. 



— contraction of, 29, 49. 



— fibre, 29, 49. 



smooth, 29, 49. 



striped, 29, 49, 50. 



Muscular activity ia Animals, 29. 



