410 
Renda; passions, 393. 
Reserve idioplasm, 85, 117, 132. 
Resonator, 321, 344-346, 353. 
Reversion, atavistic (see atavis- 
tic reversion). 
Rhomboidal gemmes, 229. 
Rhythmicity of biological func- 
tions, 350, 351. 
Ribbert ; compensatory growth, 47. 
Ribot; the mnemonic phenom- 
enon, 318; elements of mem- 
ory, 320; memories, 322; de- 
pendence of memory on nu- 
trition, 324; Wundt’s experi- 
ment, 325; abridgment of 
memories, 326; latent mem- 
ories, 328, 329; rigorously 
serial order in development, 
331; selfishness of sexual love, 
366; reproductive instinct sub- 
ject to perversions, 376; af- 
fective life dependent on brain, 
376; paternal love in animals, 
381; nostalgia, 383; law of 
transference, 385; material and 
ethical analogies, 387; religious 
sentiment, 388; motion in nas- 
cent state, 301; passions, 3933 
pleasure and pain, 394, 305. 
Rignano, Eugenio; influence of 
the central nervous system on 
development, 76; new mne- 
monic theory, note, 317. 
Ripening of sex cells, 102. 
Romanes; minus-variations and 
plus variations, IOI. 
Roux; indirectness of develop- 
ment, 11; trophic action, 37; 
correlative differentiation, 47; 
ontogenesis, 48; ontogenetic 
stimulus, 51; half embryos, 
61 ff, 134; mosaic theory, 68, 
index 
109, 119; regeneration of bi- 
sected frog embryos, 89; 
elasticity of development, 66, 
95; anchronisms of devel- 
opment, 66; half embryos, 
96, 97; self differentiation 
and corelative differentiation, 
104, 124; half embryos, 108, 
119; regeneration in tritons, 
112; opposing O. Hertwig, 
112; double formations, 68, 
II4, 134; symmetrical planes, 
115; on the researches of Zahn 
and Fischer, 123; structure of 
bone, 126; size of cells, 131; 
self regulating mechanism, 95, 
132; post generation, 21 ff, 96; 
differentiation, 139; speech 
muscles, 161; structural rela- 
tions of the tissues, 203; tran- 
sition from aquatic to terres- 
trial life, 211; distorted frog 
embryos, 66, 95, 219; correlated 
development, 210; theory of in- 
heritance, 224; functional stim- 
ulus, 266-267; chemical devel- 
opment, 276; embryonal and 
adult life, 303; absence of the 
spinal corn, 305 note; accel- 
erated development, 306; the 
vital phenomenon, 332; attrac- 
tion of the chromosomes by 
the centrosomes, 355; on sex- 
ual hunger, 365. 
Rubin, Richard; relation of the 
nervous system to regenera- 
tion, 76 note. 
Rush; latent memories, 329. 
Sachs; synergids, 41. 
Saint-Hilaire, Isidore Geoffroy; 
headless monsters, 113. 
