5G4 



INDEX. 



Life, idea of, 49; conditions of, 70; duration 



of, 25. 



Lime, in Animal body, 43S, 440, 441. 

 Lithic acid, 732, 733. 



diathesis, 422, 733. 

 Liver, structure of, 720-723; assimilating 



action of, 493; secreting action of, 476-479, 



724-726. 



Luminousness, animal, 769, 770. 

 Lungs, structure of, 676-679. 

 Lymph, composition and propertiesof, 515,520. 

 Lymphatics, 498-503. 



Male, action of, in reproduction, 786-790. 



Malignant diseases, 640. 



Malpighian bodies, of Kidney, 728; of Spleen, 



506. 



MAMMALIA, lymphatic system in, 500; cir- 

 culation in, 564, 565; respiration in, 674- 

 676 ; heat evolved in, 761 ; nervous centres 

 of, 873 ; ovisac of, 795. 

 Mammary glands, 830, 831. 

 Margarine, 259. 



Mastication, act of, 451, 452, 896. 

 Medulla Oblongata, structure of, 889-893; 



functions of, 894-899. 

 Memory, 924. 



Menstrual secretion, 798, 799. 

 Mesenteric glands, 496. 

 Metamorphosis of animals, 407, 784, 785'; in- 

 fluence of heat upon, 127. 

 Milk, 436 ; composition and properties of, 



832-834. 

 circumstances influencing secretion of, 



836-839. 



Mineral ingredients of food, 438-441. 

 Moisture, proportion of, in different parts of 

 the body, 149-152; necessity of, for growth 

 of Plants and Animals, 153-157 ; effects 

 of withdrawal of, 158-161. 

 MOLLUSCA, circulating system of, 555-557 ; 

 respiratory organs of, 654-656 ; nervous 

 system of, 850-854. 

 Mucous membrane, 199-204. 

 Mucus, 237, 464. 

 Mulberry mass, 784, 805. 

 Muscles, contractility of, 345-371 ; irrita- 

 bility of, 348-363 ; tonicity of, 

 364-366; rigor mortis of, 367 

 -369 ; peculiar force of, 370 ; 

 heat evolved by, 371 ; electricity 

 evolved by, 775. 

 energy of, dependent on supply of 



blood, 358-360. 

 disintegration of, 361. 



Muscular fibre, striated, 332-336; non- 

 striated, 337 ; development of, 338, 339 ; 

 vessels and nerves of, 340, 341. 

 Muscular sense, 904. 

 Myolemma, 333. 

 Myopia, 958. 



Nail, 226. 



NERVOUS SYSTEM, general view of actions of, 

 840-848. 



Nervous System, in Radiata, 849; in Tuni- 

 cata, 850, 51 ; in Bivalve Mollusca, 852, 

 853 ; in higher Mollusca, 854 ; in Articu- 

 lata, 855-863 ; in Vertebrata, 867, 868 ; in 

 Fishes, 869, 870; in Reptiles, 871; in 

 Birds, 872; in Mammals, 873. 



Nervous tissue, 372-405 ; fibrous, 373-377 ; 

 vesicular, 378, 379; arrangement of ele- 



ments of, in nervous centres, 380 ; in peri- 

 phery, 381, 382; chemical composition of, 

 383 ; disintegration and renewal of, 384- 

 389 ; conditions of activity of, 390-404. 

 Neurilemma, 373. 

 Nucleus, 211. 

 NUTRITION, 612-615. 



activity of, dependent on func- 

 tional activity of parts, 616-627. 



(Esophagus, passage of food along, 455, 898. 



Oily compounds in food, 430, 432, 435 ; im- 

 portance of, 530. 



Oleine, 259. 



Oleo-phosphoric acid, 383. 



Olfactive lobes, 869-873, 900. 



Olfactory nerve, 906, 946, 947. 



Olivary bodies, 891. 



Omphalo-mesenteric vessels, 813. 



Optic lobes, 869-873, 900. 



Optic nerves, 906, 907, 960. 



Orbit, motor nerves of the, 888. 



Organized structures, general characters of, 

 2-15. 



Osseous tissue, see Bone. 



Ossification, 300-303. 



Otolithes, 950. 



Ova of animals, 791-795. 



Ovarium, 793-797. 



Ovisac, 792, 796. 



Oxygen, necessity for, in animal body, 649 ; 

 mode of introduction of, 650-652. 



Pancreatic secretion, 480. 



Papillae, sensory, of skin, 382, 940 ; of tongue, 



943. 



Parturition, 827-829. 

 Par Vagum, 459, 487, 580, 685, 686, 888, 895, 



897-899. 



Pedal ganglia in Mollusca, 852, 853. 

 in Articulata, 857, 862. 

 Pepsine, 470, 471. 

 Perception, nature of, 936, 937. 

 Perceptions, tactual, 941 ; visual, 961-968. 

 Peristaltic movement, 352, 460. 

 Perspiration, 743-746. 

 Peyer's glands, 450, 749. 

 Phosphate of lime, in food, 438-441 ; in bone, 



298. 



Phosphatic deposits, 386, 738-740. 

 Phosphorus, in animal body, 438, 439. 

 Phanerogamia, generation and development 



of, 780, 781. 

 Physical Forces, 19-23, 52; correlation of, 



53-55 ; relations of, to Vital, 61-63 ; their 



influence on vital action, 73-78. 

 Pigment-cells, 229, 230. 

 Placenta, structure of, 818-820. 

 Placental tufts, 245, 818. 

 Plants, heat of, 762; circulation in, 540-548; 



respiration in, 84, 641, 642; reproduction 



in, 778-781. 



Pneumogastric nerve, see Par Vagum. 

 Polypes, digestive process in, 443, 444. 

 Posterior Pyramids, 893. 

 Pregnancy, duration of, 825, 826. 

 Prehension of food, 896. 

 Presbyopia, 958. 

 Primary membrane, 206-209. 

 Primitive trace, 812. 

 Proteine, 171. 



Puberty in male, 788 ; in female, 798. 

 Pulp of hair, 328, 330. 



