INDEX. 



777 



Protoplasm continued. 



physical characters, 3 et seq. 



physiological characters, 3 



reproduction, 7 



transformation of, 10 

 Proto-vertebrae, 666 

 Psalterium, 246 

 Pseudoscope, 624 

 Pseudo-stomata, 23 

 Ptyalin, 234 



action of, 235 

 Puberty, 



changes at period of, 649 



indicated by menstruation, 640 

 Pulmonary artery, valves of, 104 



capillaries, 177 



circulation, 177 

 Pulse, arterial, 137 



cause of, 137 



dicrotous, 141 



frequency of, 126 



influence of age on, 126 

 of food, posture, etc., 126 



relation of, to respiration, 127, 185 



sphygmographic tracings, 139 et seq. 



variations, 139 et seq. 

 Purkinje's figures, 605 

 Pylorus, structure of, 246 

 Pyramidal portion of kidney, 354 

 Pyramidal tracts, 479 et seq. 

 Pyramids of medulla oblongata, 491 



Q. 



Quantity of air breathed, 184 

 blood, 57 et seq. 

 saliva, 234 



R. 



Racemose glands, 330 

 Radiation of impressions, 467 

 Rami viscerales, 627 



efferentes, 625 



communicantes, 625 

 Rectum, 266 



Recurrent sensibility, 480 

 Reflex actions, 



acquired, 469 



augmentation. 470 



classification, 468 



compound, 469 



conditions necessary to, 467 



cutaneous, 485 



in disease. 468 



examples of, 485 



excito-motor and sensori-motor, 46 



inhibition of, 486. 



irregular in disease, 468 

 after separation of cord from brain, 

 512 



laws of, 469 



morbid, 488 



muscle, 485 



Reflex actions continued. 



of medulla oblongata, 495 et seq. 

 of spinal cord, 485 

 purposive in health, 468 

 relation between a stimulus and, 469 

 secondary, 469 

 simple, 469 

 varieties, 469 



Refracting media of eye, 593 

 Refraction, laws of, 599 

 Regions of body. See Frontispiece. 

 Registering apparatus, 

 cardiograph, 124 

 kymograph, 144 

 sphygmograph, 138, 139 

 Relations between secretions, 335 

 Remak's ganglia, 131 

 Reptiles, 



blood-corpuscles, 72 

 Requisites of diet, 218 

 Reserve air. 184 

 Residual air, 184 

 Respiration, 167 

 abdominal type, 181 

 changes of air, 187 



of blood, 193 

 costal type, 181 

 force, 186 

 frequency, 185 



influence of nervous system, 203 

 mechanism, 180 et seq. 

 movements, 179 



nitrogen in relation thereto, 187 

 organic matter excreted, 191 

 quantity of air changed, 190 

 relation to the pulse, 185 

 suspension and arrest, 204 et seq. 

 types of, 181 



Respiratory capacity of chest, 184 

 cells, 175 



functions of skin, 351 

 movements, 179 

 axes of rotation, 179 et seq. 

 of glottis, 183 

 influence on amount of carbonic acid, 



188 



on arterial tension, 200 

 rate, 185 



relation to pulse rate, 185 

 size of animal, 185 

 relation to will, 197 et seq. 

 various mechanism, 193 

 muscles, 180 et seq. 

 daily work, 186 

 power of, 186 

 nerve-centre, 197, 497 

 rhythm. 183 

 sounds, 183 



Restiform bodies, 494 et seq. 

 Retiform or adenoid, or lymphoid tissue, 



35 



Reticulum, 245 

 Retina, 588 

 blind spot, 588 

 blood-vessels, 591 



