INDEX. 



1007 



Abdomen, 34. Chest, 31 . Skull and spina 

 column, 25. Face, 30. of reserv 

 (teeth), 970. Haemal, 113, 955. Neural 

 113, 955 

 Cell. Germ-, 935, 949, 980. Sperm-, 935, 940 



980. theory, 980. nuclei and nucleoli 



981. force, 981, 984. - life, 981 

 development and growth, 982. divi 

 sion, 952, 982. 



Cells, Animal, 980 ; structure of, 981 

 origin and development of, 981; by various 

 modes, 982; metamorphosis of, 982; com 

 pared with vegetable, 983. Vegetable, 

 structure of, 981 

 Cellular tissue, 43 

 Cement, 493 

 Central canal of spinal cord, 249. gray 



commissure of spinal cord, 249 

 Centre of gravity of the body, 161 

 CEPHALOPODA. Digestive organs, 589. Di- 

 gestive glands, 581, 594. Circulation, 696 

 Renal organs, 789. Respiration, 870 

 Touch, 371. Taste, 381. Smell, 392. Hear 

 ing, 414. Sight, 477. Locomotion, 188 

 Cerebellum, 28, 237, 244. Parts of, 245. 

 Fibres of, 245. Functions of, 287. Of 

 Mammalia, 326. Birds, 326; experiments 

 on, 288. Reptiles, 326. Amphibia, 326 

 Fishes, 326 



Cerebral hemispheres, 238. Development of, 

 964. lobes in Fishes, 322, 325. pe- 

 duncles, 237; functions of, 283. vesicles 

 961, 963 



Cerebric acid, 75, 571 

 Cerebro-spinal axis, 235; effects of irritation 

 of, 749. nerves, 249; functions of, 260. 

 nervous system, 235; summary of func- 

 tions, 300 



Cerebrum, 28, 237, 238. Convolutions, 240. 

 Cortical substance, 241, 290. Fibres, 242. 

 Fissures, 238, 239. Hemispheres, 28, 295. 

 Lobes, 239. Medullary substance. 242. 

 Peduncles, 237, 283. Ventricles, 239, 244. 

 Action on the muscles, 296. Experiments 

 on, 293. Functions, 138. In Mammalia, 

 231-325. Birds, 321-326. Reptiles, 321- 

 326. Amphibia, 321-326. Fishes, 321-326. 

 Development of, 963, 96.4 

 Cerumen, or ear-wax, 393 

 CETACEA. Digestive organs, 585. Digestive 

 glands, 5SI,1>95. Suprarenal bodies, 750. 

 Mammary glands, 766. Kidneys, 788. Res- 

 piration, 862. Touch, 371. Taste, 380. 

 Smell, 390. Hearing, 412. Sight, 473. 

 Locomotion. 180, 185. Voice, 216. Cere- 

 brum, 324. Retia mirabilia. in, 853 

 Chalazse, 944, 945 

 Chalk-stones in gout, 780 

 Cheeks, 499 



CHEIROPTERA. Digestive organs, 582, 585, 

 586. Sight, 472. Locomotion, 180, 189. 

 Cerebrum, 321 



Chemical changes in body, sum of, 907. Re- 

 lation of, to heat, 916. of air in respira- 

 tion, 821, 82S. of blood, 833, 842. 

 force, relation to heat and work, 914-916. 

 composition of the body, 71; of constitu- 

 ents of (see Constituents). processes of 

 digestion, 544; in animals, 597 

 Childhood, 999 

 Cholalic acid, 75, 539 

 Cholepyrrhin, 540 



Cholesterin, 76. Source of, 540 

 Cholic or Glycocholic Acid, 75 

 Chondrin, 73, 905 



Chorda dorsalis, 954, 985; changes in, 960 

 Chorion, 945, 948. 958 

 Choroid, 419, 424'. Function of, 449 

 Chromatic aberration, 435, 438 

 Chrysalis, 939 



Chyle, 62, 96, 602, 627. Composition of, 80. 

 Molecular basis of, 62. Causes of motion 

 of, 626, 627. In animals, 630 

 Chylification, 96, 699 

 Chyme, 95, 553, 554; a product of digestion 



and absorption, 554 

 Chymification, 95, 553, 554 

 Cicatricula, 942, 943, 946, 952, 953 

 Cicatrization, 707 



Cilia, 67, 146, 147. Movements of, 147; ve- 

 locity, 147; effects, 147; continuance of, 

 148 ; occurrence in man, 146 ; in animals, 

 146. Size, 147. Uses, general, 149; in air- 

 tubes, 812 ; in aquatic respiration, 872 ; in 

 tubuli uriniferi of cold-blooded Vertebrata, 

 789 

 Ciliary ligament, 424. muscle, 424. 



processes, 424 

 Circles of dissipation, 435 

 CIRCULATION, 96, 631. Course and causes of, 

 641-643. Pulmonary, 96, 641. Systemic, 

 96, 641. Portal, 533. Discovery of, 641. 

 Through heart, 644; arteries, 658-666; 

 capillaries, 673-677; veins, 677-684. Effect 

 of gravity on, 682. Peculiarities, portal, 

 683; cranial, 683; pulmonary, 684. Period 

 of a complete, 684-687. Relation between 

 frequency of pulse and period of circulation, 

 685; in Man, 685; in Mammalia, 690; in 

 Birds, 690; in Reptiles, 691, 692; in Amphi- 

 bia, immature, 693; in Perennibranchiata, 

 694; in Fishes, 692-695 ; in Amphioxus, 

 694; in Lepidosiren, 694; inMollusca, 696; 

 Molluscoida, 696 ; Annulosa, 696 ; Annu- 

 loida, 698; Coelenterata, 698; Protozoa, 

 698. Embryonal, first, 978 ; second, 978. 

 Allantoid or placental, 978. Foetal, 978. 

 Change in, at birth, 979. Double, com- 

 pleted, 980. Artificial, 856 

 Clairvoyance, 318 



Classification of Animals, changes in, 104 

 Cleavage of yolk, 951 

 Cleft palate, 968 

 Dlefts, branchial or visceral, 967 

 Clicking sounds in speech, 214 

 Dlimate, effects of, on animal heat, 875 

 Cloaca, 943. In Birds, 588 ; in Insects, 591 ; 

 in Reptiles, 588; in Amphibia, 589; in 

 Monotremata, 586 



lot, or Coagulum, of blood, 60 (see Blood) 

 Coagulation of blood, 60 (see Blood) 



oagulum of Blood, 60 (see Blood) 

 Cochlea, 397, 407. Functions of, 407, 410. De- 

 velopment of, 966 

 oefficient (mechanical) of heat, 914 

 JCELENTERATA. Reproduction of, 935. Ova 

 of, 950. General characters and classes, 

 110. Nervous system and nervous actions, 

 334. Luminosity, 891. Digestive canal, 

 592. Formation of bile in, 594. Circula- 

 tion, 698. Renal organs, 790. Respira- 

 tion, 872. Hearing, 415. Sight, 479. 

 Touch, 372. Locomotion in fluids, 188. 

 Prehension, 198; of food, 574' 



