Index 



411 



Salamander, arrest of develop- 

 ment of, 99; regeneration in, 

 19, 140. 



Schmitt; transplantation of bony 

 tissues, 90. 



Schneider; starfish, 364. 



Schopenhauer; will of the spe- 

 cies, 367- 



Schiibeler; inheritance of more 

 rapid development of barley 

 seeds, 172. 



Shuberg; connection of cells of 

 different tissues, 40 note. 



Schultze, Oskar ; double forma- 

 tions produced from frogs' 

 eggs, 133. 



Sea urchin, 80; protoplasmic 

 connection of the cleavage 

 cells, 39- 



Sedgwick ; eggs of Peripatus, 

 39; the body as a syncytium, 

 39, 230. 



Self differentiation, 104, 115, 119, 

 124, 139. 



Self-preservation, 369, 388. 



Self regulating mechanism, 95, 

 98, 132, 135, 307. 



Semon, Richard; memory as un- 

 derlying principle, 317 n, 375. 



Sequard ; (see Brown-Sequard). 



Sergi; emotions, 391. 



Setaria grass, 44. 



Sexual, instinct, 365 ff, 381, 389; 

 vanity, 385. 



Sherrington; spinal dog, 376; 

 muscular accompaniment of 

 emotions, 391 ; reflex move- 

 ments, 397. 



Shifting of blastomeres, 80; of 

 parts of embryos, 65. 



Social evolution, 370. 



Somatic theory, 375. 



Spallanzani; regeneration in the 

 salamanders, 19. 



Species, morphologic indications 

 of, 146. 



Specific accumulation, 374, 400. 



Specific potential elements (see 

 elements). 



Spencer, Herbert; germ plasm, 

 148; Punjabi, 164; polemic 

 with Weissman, 187, 211; plus 

 and minus variations, 190; 

 taste sense in the tongue papil- 

 lae, 194; physiological units, 

 225 ; Hertwig agrees with him, 

 241 ; fertilization, 352 ; effect of 

 persistence, 383 f ; anticipation 

 cause of covetousness, 387 ; de- 

 velopment from brute instincts, 



389- 



Sphaerechnius, Morgan's investi- 

 gation of, 134. 



Spider, mother-love of, 379. 



Spina bifida, 126. 



Stahl ; Myxomycetes, 372. 



Standfuss; inheritance of altera- 

 tions, 174. 



Stationary physiological condi- 

 tion, 361, 364, 368, 377. 



Stentor, 54 ff, 284. 



Stimuli, action of, 298; func- 

 tional see Functional stimu- 

 lus, ontogenetic (see Ontoge- 

 netic, stimulus). 



Stirp, Galton's, 282. 



Stoichactis helianthus, 362. 



Stout; emotions, 390. 



Strasburger ; chromosomes divi- 

 sion of, 79; combination of 

 paternal and maternal charac- 

 ters, 156. 



Subjective illusion of free will, 

 394- 



