INDEX 



Platelets, function of, 209 



number of, 207 

 Poles, rating of, 145 

 Police powers, exercise of, in connec- 

 tion with public health measures, 

 265 

 Pond, Miss, 139 

 Porteus, S. D., 88 

 Position, factors of, 176 

 Potatoes, breeding of, Early Ohio, 337 

 Early Rose, 336, 337 

 Green Mountain, 338 

 Irish Cobbler, 330, 338 

 Rural New-Yorker, 338 

 as grown by Indians, 319 

 "Principles of Psychology," 120 

 "Procedures in Employment Psy- 

 chology," 142 

 Progress, dependent upon upper 1 per 



cent, 190 

 Prohibition, 91 

 Proteins, 218, 364, 366, 379#. 

 "Protestant Ethic and the Spirit of 



Capitalism, The," 50 

 Protozoa, 18, 313, 316 

 Psychiatry, 70, 75, 91 

 Psychoanalysis, 72, 74, 75 

 Psychogenic principle, 71 

 Psychognosis, 55 

 Psychological relativity, 65 

 Psychology, abnormal, 71 

 animal, 66, 67 

 anthropoid, 66 

 applied, 79 

 association, 96 

 bond, 96 

 child, 68 

 collective, 92 

 educational, 69, 94, 124 

 experimental, 61 

 findings of, 29 

 Freudian, 72, 73 

 genetic, 69 

 glandular, 64 



Psychology, industrial, aims of, 123. 

 130 

 field of, 115 ff. 

 of learning, 119 

 of men and women, 88jf. 

 need of, in public health work, 250 

 organismic, 83 

 of personality, 103 

 physiological, 62, 64 

 progress of, 23 

 social, 79, 124 

 "Psychology of Individual Differences, 



The," 80 

 Psychometric methods, 107 

 Psycho-neuroses, 79 

 Psychopathology, 124 

 Psychosophy, 54 



Public health agencies, provision for 

 lamentably inadequate, 15Bjf. 

 of two types, 155jf. 

 Public Health Service, 261, 263, 264 

 Public health work, conquests of, 241, 

 242, 268 

 control operations of, 264, 265 

 distinction between personal hygiene 



and, 241, 242 

 enlargement of scope of, 246, 247, 



248, 261, 262, 270 

 importance of bringing aims and 



needs of before public, 266, 270 

 rapid progress in, during past two 



centuries, 243, 244 

 research important part of, 263, 269 

 tendency of, to become function of 



government, 245 

 various origins of, 244, 245 

 Pupin, 4 

 Putnam, M. L., 129 



Quantitative characters, defined, 169 



effect of environment on, 169 

 Quarantine procedure, attributed to 

 mediaeval Italians, 143 



[395] 



