INDEX. 



599 



Spectrum observation, on a new method 



of (Lockyer), 22. 

 of hydrogen, note on the (Lockyer), 



31. 



of potassium, on the modifications 



of the, which are effected by the pre- 

 sence of phosphoric acid, and on the 

 inorganic bases and salts which are 

 found in combination with educts of 

 the brain (Thudichum), 278. 



of carbon, note on the (Lockyer), 



335. 



further note on the (Lockyer), 



461. 



note on the history of (Live- 



ing and Dewar), 490. 

 of the flame of hydrogen, on the 



(Huggins), 576. 



of water (Liveing and Dewar) , 580. 



Spontaneous segmentation of a liquid 



annulus, on the (Worthington), 49. 

 Spottiswoode (William) on some of the 



effects produced by an induction coil 



with a De Meritens magneto-electric 



machine, 173. 

 and J. Fletcher Moulton on the 



sensitive state of vacuum discharges : 



Part II, 302. 

 Stars, on the photographic spectra of 



(Huggins), 20. 

 Strained material, Leyden jars, and vol- ■ 



tameters, a preliminary account of the 



reduction of observations on (Perry 



and Ayrton), 411. 

 Stress, on certain effects of, on soft iron 



wires, 510. 

 Studies on the electric arc (Dewar), 85. 

 on the chinoline series (Dewar), 



164. 



Surfaces of mutual contact of aqueous 

 solutions, effects of electric currents 

 on the (Gore), 322. 



Sweating from soles of the feet, Bacterium 

 foetidum associated with (Thin), 473. 



Thermal transpiration, note on (Rey- 

 nolds), 300. 



effects of electric currents, on some 



(Preece), 408. 



Thin (G.) on Bacterium foetidum : an 

 organism associated with profuse 

 sweating from the soles of the feet, 

 473. 



Thorpe (T. E.), a magnetic survey of 

 the fortieth parallel in North America 

 between the Atlantic Ocean and the 

 Great Salt Lake, Utah, 132. 



Thudichum (J. L. W.) on the modifica- 

 tions of the spectrum of potassium 



which are effected by the presence of 

 phosphoric acid, and on the inorganic 

 bases and salts which are found in 

 combination with educts of the brain, 

 278. 



Tilden (W. A.), elected, 468 ; admitted, 

 520. 



Time -relations of the excitatory process 

 in the ventricle of the heart of the 

 frog, notice of further experimental 

 researches on the (Sanderson), 373. 



Tonicity of the heart and arteries, on 

 the (Gaskell), 225. 



Tribe (A.) and J. H. Gladstone, the 

 aluminium iodine reaction, 545. 



Tyndall (John) on Buff's experiments 

 on the diathermancy of air, 10. 



Urea, on the relation of the, to the total 

 nitrogen of the urine in disease, 438. 



Urine, human, researches into the colour- 

 ing matters of, with an account of the 

 separation of urobilin (MacMunn), 

 250. 



on the amount of nitrogen excreted 



in the, by man at rest ("West and 

 Russell), 444. 



Urobilin, an account of the separation 

 of (MacMunn), 250. 



Vacuum discharges, on the sensitive 

 state of (Spottiswoode and Moulton), 

 302. 



"Vincent (C. W.) and Lord Elphinstone 

 on magnetic circuits in dynamo- and 

 magneto -electric machines, 287. 



Vines (S. H.) on the chemical composi- 

 tion of aleurone-grains, 387. 



Water, on the lowering of the freezing- 

 point of, by pressure (Dewar), 533. 



spectrum of (Liveing and Dewar), 



580. 



West (S.) and W. J. Russell on the 

 relation of the urea to the total nitro- 

 gen of the urine in disease, 438. 



■ on the amount of nitrogen 



excreted in the urine by man at rest, 

 444. 



Whipple (G. M.), results of an inquiry 

 into the periodicity of rainfall, 70. 



Williamson (W. C.) on the organisation 

 of the fossil plants of the Coal-mea- 

 sures : Part XI, 550. 



Worthington (A. M.) on the spontane- 

 ous segmentation of a liquid annulus, 

 49. 



END OF THE THIETIETH VOLUME. 



