XViil 
Wrightson (Prof. J.) [death], 273; [obituary article], 294 
Wundt (Prof. W.), translated by Prof. E. L. Schaub, 
Elements of Folk Psychology, 346 
Wynne-Edwards (Rev. J. R.), Science Teaching in Schools, 
380 
Yates (J.), appointed Head of the Chemistry Department of 
the Derby Technical College, 402 
Yerkes (R. M.), A New Method of Studying Ideational and 
Allied Forms of Behaviour in Man and other Animals, 
403 ; Ideational Behaviour of Monkeys and Apes, 403 
Yersin (Dr. A.), awarded the Lasserre Prize, 313 
Young (G. C.), The Swiss Society of Natural Sciences, 
197 
Young (R. K.), The Spectroscopic Binary x Aurigz, 116 
Young (Prof. W. H.), Multiple Integrals, 221 
Yule (Miss A. F.), Bequest of the House and Grounds of 
Tarradale, 382 
Index 
Nature, iy 
March 15, 1917 
?: 
5 ae 
Yule (Udny), appointed Head of the Information and 
Statistical Bureau of the Ministry of Food, 393 ef 
Zeeman (Prof. P.), Direct Measurement of the Axial 
Velocity of Water in Fizeau’s Experiment, 64; Fizeau’s 
Experiment, 298 "a 
Zeleny (C.), Comparison of the Rates of Regeneration from 
Old and from New Tissue, 83; The Effect of Succes- 
sive Removal upon the Rate of Regeneration, 83. 
Zenghelis (C.), and S. Horsch, Chemical Action of Sodium 
Peroxide upon Hydrogen Sulphide, 223; Chemical 
Action of Sodium Peroxide upon the Oxides of Carbon, 
203 
Zimmer (G. F.), The Use of Meteoritic Iron by Primitive — 
Man, 350 a. 
Zon (R.), The Timber Resources of South America, 255 
Zoretti (Prof. L.), Exercices Numériques et Graphiques de — 
Mathématiques, 347 
