Index 



405 



"San Diego region" (oceanic), ii, 

 281 



Saint-Hilaire, J., i, 7 



Sajous, E. de M., ii, 124 



Salamander, ii, 311 



Salmon, ii, 250 



Salpa, i, 316 



Sarcode, identification with plant 

 protoplasm, i, 123 



Schafer, E., on endocrine organs, 

 ii, 14; drug-like action of inter- 

 nal secretion, 122 



Schaudinn, F., i, 261 



Schleiden, M. J., conception of 

 plant, i, 34 



Schultze, Max, on protoplasm and 

 cell, i, 125 et seq. 



Schwann, Th., theory of cells, i, 

 150 



Science, positive, i, 298; creative 

 impulse in, ii, 227 



Scientific, spirit, i, 338; attitude, 

 difference between, and philo- 

 sophic, ii, 307 



Scratch-reflex, workings of, ii, 

 172; possible "ultimate explan- 

 ation" of, 202 



Scripps Institution, statistical 

 methods in, ii, 280; for Biolog- 

 ical Research, 332 



Sea Urchin, properties of eggs of, 

 i, 107; experiments on develop- 

 ing eggs of, 202 



"Seat" of heredity, i, 321; of in- 

 heritance material, ii, 23; brain 

 supposed seat of coordination, 

 ii, 191 



"Secret powers" of substances, ii, 

 341 



Secretin, ii, 120 



Secretions, internal, integrative 

 office of, ii, 113 et seq. 



Secretory systems, internal, ii, 128 



Sedgwick, A., ii, 50 



Seeds, gradations in, i, 102 



Segmental theory of nerve action, 

 ii, 185; of nervous system, 190 



Segregation, in heredity, i, 355 



Selection, sexual, ii, 262 



Self-preservation and regulation, 

 i, 18; -differentiation, 199, 208; 

 ii, 245; -activity, 226; -exhaust- 



ing ceremonies, 264; -injury 

 through sex impulse, 267; nat- 

 ural history method in study of, 

 282; -defence and -preservation, 

 292; or person, 301; -control, 

 305; -development, 305 



Sellars, R. W., individuality in 

 percepts, ii, 294; the individual, 

 and social psychology, 332 



Sensationalism, ii, 218 



Sense organ, ii, 165; senses, 216 



Sequoia sempervirens, adventi- 

 tious buds of, i, 38; growth 

 series in, ii, 101 



Series, graded repetitive, ii, 95 



Serum, rabbit, i, 101 



Sex, cell production, theory of, i, 

 61; as unit-character, 348; de- 

 pendence upon chromosomes, 

 346, 350; impulse, excessiveness 

 of, ii, 265; power of, 267 



Sexes, numerical proportion of, ii, 

 267 



Shakespeare, Wm., "reckless volu- 

 bility" of, ii, 223 



Sherrington, S. C., fundamental 

 work on nervous system, i, 22, 

 ii, 162 et seq.; neglect of, by 

 J. Loeb, 185 



Shrikes, ii, 270 



Simple reflex, an abstract concep- 

 tion, ii, 168 



Simplicity, "ultimate," i, 320 



Skin, universal presence of, in or- 

 ganisms, i, 300 



Smallpox, i, 264 



Smell, i, 84 



Smith, J. B., i, 214 



Society, and individual, ii, 332 



Soma, i, 319 



Song habits of birds, ii, 260 



Soul, composed of "seminal 

 atoms," i, 3; as aspe'ct of organ- 

 ism, ii, 215; and body, interac- 

 tion between, 323 



Specialist, the unpoised, ii, 247 



Species, difference in egg of, ii, 20 



Specific differences between germ 

 cells, importance of, i, 214 



Specification of organic matter, i, 

 111 



Specificity, chemical, of organ- 



