INDEX. 
*Wartrs (Prof. W. W.) on the igneous | 
rocks of the Birmingham district, 472. 
x on the geography of Shropshire, 
550. 
Waves at sea, a simple method of deter- | 
mining the period of, by Dr. Vaughan | 
Cornish, 406. 
Wess (W. M.) on the work of the Cor- | 
responding Societies Committee, 324. 
Weber’s law and its limitations, a 
simple method of demonstrating, by | 
Shepherd Dawson, 683. 
Weesster (Prof. A. G.) on the further 
tabulation of Bessel and other tunctions, 
87. 
Wesster (Arthur) and Prof. B. Moorz, 
synthesis of organic matter by sun- 
light in presence of inorganic colloids, 
and its relationship to the origin of 
life, 527. 
Weeds of arable land, the, by Dr. Wini- 
fred E. Brenchley, 776. 
Weiss (Prof. F. E.) on the Jurassic flora 
of Yorkshire, 264. 
on the flora of the peat of the Kennet 
Valley, 265. 
on the registration of botanical 
photographs, 267. 
juvenile flowering in LHucalyptus 
globulus, 707. 
WELLDoN (Bishop), the registration of 
schools, 751. 
West (Prof. G. 8.), the structure, life- 
history, and systematic position of the 
genus microspora, 716. 
and Miss C. B. STARKEY, zygnema 
ericetorum and its position in the 
zygnemacee, 716. 
*WuHIPPLeE (F. J.) and E. Gotp, tempera- 
ture frequency curves, 396. 
WHITAKER (W.) on the work of the 
Corresponding Societies Committee, 
324. 
WuitEnovss (R. H.), the best means of 
preventing the extinction of local 
species, 338. 
evolution of the caudal fin of fishes, 
522. 
Wuitetock (W. H.), the industrial 
credit system and imprisonment for 
debt, 580. 
Wholesale and retail prices of food, the 
relation between the changes of, by 
_ Dr. A. L. Bowley, 578. 
WIcKSTEED (Rev. P. H.), Address to the 
Section of Economic Science and 
Statistics, 560. 
the psychological foundation of 
economics, 688. 
Wits (L. J.) and W. C. Smrru, the flora 
and fauna of the upper keuper sand- 
stones of Warwickshire and Worcester- 
shire, 475. 
* 
841 
Witson (Prof. Ernest), exposure tests 
of copper, commercial aluminium, 
and duralumin, 606. 
Wison (J. 8.) on stress distributions in 
engineering materials, 168. 
Witson (Samuel F.), some effects of 
compulsion on the economics of 
sickness insurance, 583. 
WittsHirE (8S. P.), the biology of the 
apple canker fungus Nectria ditissima 
Tul., 714. 
*Winns (J. H.), a comparative investi- 
gation, of fatigue tests, 683. 
Wimperis (H. E.) on gaseous explosions, 
166. 
Wincu (W. H.), additional reasoning 
tests suitable for the mental diagnosis 
of school children, 685. 
Wind-worn rock surface, the occurrence 
of a, at Lilleshall Hill, Salop, and of 
wind-worn stones there and elsewhere, 
Frank Raw on, 493. 
WINTERBOTHAM (Capt.), the accuracy 
of the principal triangulation, 553. 
*Wireless telegraphy, atmospheric re- 
fraction and absorption as affecting 
transmission in, by Dr. W. H. Eccles, 
607. 
Woop (Mrs. Frances), the construction 
of index numbers to show changes 
in the cost of the principal articles 
of food for the working classes, 
579. 
*Woop (Prof. R. W.), resonance spectra 
under high dispersion, 391. 
Woop (Prof. T. B.), Address to the 
Agricultural Section, 758. 
WoopuHeEap (Dr. T. W.) on the registra- 
tion of botanical photographs, 267. 
Woops (H.) on the preparation of a list 
of characteristic fossils, 150. 
Woopwarp (Dr. A. Smith) on the pre- 
paration of a list of characteristic 
fossils, 150. 
on the upper old red sandstone of 
Dura Den, 150. 
on the old red sandstone rocks of 
Kiltorcan, Ireland, 152. 
on the nomenclator animalium gene- 
rum et subgenerum, 153. 
missing links among extinct animals, 
783. 
WortuamM (W. H.), some features of the 
sand-dunes in the S.W. corner of 
Anglesey, 720. 
Wyatt (Stanley), the testimony of 
normal and mentally defective children, 
690. 
Wynne (Prof. W. P.), Address to the 
Chemical Section, 408. 
*X-rays, the nature of, by Prof. C. G. 
Barkla, 373. 
