INDEX to VOL. LXVIII. 



Abney (Sir W. de W.) On the Variation in Gradation of a Developed Photo- 

 graphic Image when Impressed by Monochromatic Light of Different Wave- 

 lengths, 300. 



Acanthias vulgaris, pelvic plexus in (Punnett), 140. 



Aconitine and derivatives, pharmacology of (Cash and Dunstan), 378, 384. 

 Address of Condolence to H.M. the King, Motion for, 14. 

 Address to the Throne and Eoyal Reply, 115. 



After-images, negative, relation to other visual phenomena (Bidwell), 262. 



Air, electrical conductivity of (Wilson), 228 ; least volatile gases of, and their 



spectra (Liveing and Dewar), 389. 

 Alcock (A. W.) elected, 326. 



Alloys, copper-tin, results of chilling (Heycock and Neville), 171. 

 Alloys of copper and zinc, thermo-chemistry of (Baker), 9. 

 Annual Meeting for Election of Fellows, 326. 



Arc, electric, mechanism of (Ayrton), 410 ; resistance and electromotive forces of 



(Duddell), 512. 

 Argus, Spectrum of rj (Grill), 456. 



Ayrton (Hertha). The Mechanism of the Electric Arc, 410. 



Bacillus tuberculosis, effect of liquid air on vitality and virulence of (Swithin- 

 bank), 498. 



Bacteria, influence of ozone on (Ransome and Foulerton), 55. 



Baker (T. J.) The Thermo-chemistry of the Alloys of Copper and Zinc, 9. 



Bakerian Lecture, 360. 



Barker (B. T. P.) A Conjugating "Yeast," 345. 

 Baxandall (F. E.) See Lockyer and Baxandall. 

 Becquerel rays, conductivity of gases under (Strutt), 126. 

 Bedford (T. a.) See Searle and Bedford. 

 Bessemer process flame-spectra (Hartley and Ramage), 93. 



Bid well (Shelf ord). On Negative After-images, and their Relation to certain other 



Visual Phenomena, 262. 

 Bile as a solvent, functions of the (Moore and Parker), 64. 



Brunton (Sir T. Lauder) and Rhodes (H.) On the Presence of a Glycolytic Enzyme 

 in Muscle, 323. 



Candidates, List of, 124. 



Candidates recommended for Election, 248. 



Cash (J. T.) and Dunstan (W. R.) The Pharmacology of ' Pseudaconitine and 

 Japaconitine considered in Relation to that of Aconitine, 378. 



Chlorophyll, yellow colouring matters accompanying, and their spectroscopic 

 relations (Schunck), 474. 



Chree (C.) Elastic Solids at Rest or in Motion in a Liquid, 235. 



Chromosphere, enhanced lines in spectrum (Lockyer and Baxandall), 178. 



