442 



THE BODY AT WORK 



Capillary vessels, circulation of blood 



in, 232 

 migration of leucocytes from, 



232 



structure of their walls, 38 

 Carbohydrate foods, chemical composi- 

 tion, 147 



Carbonic acid, carried by blood, 60 

 liberation in lungs, 61, 189 

 Carbonic oxide, compound with haemo- 

 globin, 187 

 Carnivora, absorption of fat from 



alimentary canal of, 133 

 Cartilage, growth, 28 

 Catalysis, 17 

 Cell theory, 26 



Cells, constituent parts, 26, 28 

 size, 30 



specialization of function in, 35 

 Cells of Purkinje in the cerebellum, 303, 



340 



Cellulose, digestion of, 137 

 Cerebellum, cases of deficiency of, 341 

 connections with cerebro - spinal 



axis, 340 



development of granules of, 299, 303 

 lobes, 338 



minute anatomy, 339 

 phylogeny, 338 



relation to tone of muscles, 342 

 Cerebral hemisphere, an outgrowth to- 

 wards olfactory pit, 334 

 in animals with various sen- 

 sory endowments, 349 

 Cerebro -spinal fluid, 50 

 Chemical activity of protoplasm, 12 

 messengers, 89, 123 

 processes in plants, 15 

 Chemiotaxis of leucocytes, 56, 364 

 Children, brain in, 346 



development of astigmatism in 



eyes of, 269 

 Chill, catching a, 242 

 Chloroform. Cf. Anaesthetics 

 Cholesterin, 118 



Chromatolysis in nerve -cells, 320 

 Chrome-silver method of colouring 



nerve-tissue, 293 

 Chyme, food converted into, 126 

 Circulation of the blood, 218 

 Circulation -time, 219 

 Cirrhosis of liver, 42 

 Coagulation of blood, 69 

 Cochlea, anatomy, 413 

 Cockney dialect, the degradation of 



vowel-sounds, 439 



Coke fire, poisonous fumes from, 186 

 Cold -spots in skin, 429 

 Collaterals of nerves, 297 

 Colon, length and disposition of, 101 

 Colour-blindness, 385 



Colour vision, 385 



Colours, reason for apparent fading in 



twilight, 378 



Conductivity of protoplasm, 248 

 Consciousness, does not come within 



physiological investigation, 360 

 its part in animal life, 359 

 Control experiments, their value, 72 

 Convolutions of brain, 345 

 Cooking, effect upon digestibility of 



meat, 120 

 Corneal epithelium, sensitiveness of, 



424 



Corpus striatum of brain, 344 

 Cortex of cerebrum, discovery of ex- 

 citability of, 344 

 fissures and convolutions, 345 

 functional areas, 352 

 myelination of its fibres, 345 

 sensory and association areas, 



346 



structure of, 347 

 variations in different animals, 



349 

 Corti, organ of, its structure, 414 



theories of function of, 416 

 Coughing, mechanism of, 180 

 Crayfish, tone of claw-muscle of, 273 

 Cretinism, 85, 90 

 Cricket, chirp of, 261 

 Crypts of Lieberkiihn, 103 

 Curdling of milk, 75 



Dancing, association of sound with 

 movement, 422 



Day's work, food required for, 151 



Deafness due to sore throat, 412 



Degeneration of nerves after section, 

 326 



Depressor nerve of the heart, 237 



Diabetes, excretion of more carbo- 

 hydrate than contained in food, 143 



Dialysis, explanation of the process, 40, 

 128 



Diaphragm, function in respiration, 171 



Diastases, destructive ferments, 18 



Diet, limits of possible variations in, 



153 

 of labouring classes, 152 



Digestibility of bread, meat, fish, etc., 

 120, 125 



Digestion, mechanism of, 96 



vascular changes during, 235 

 waits on appetite, 114 



Digitalis, action on heart and kidney, 

 209 



Diphtheria, arititoxin of, 20 



Diuretics, 209 



Dog's sense of smell, 370 



Dreams, theory of, 362 



Dropsy, 42 



