INDEX. 



XXVll 



Photographic spectrum of Sirius, on a 

 new group of lines in the (Hugging 

 and Huggins), 152, 216. 



of tho great nebula in Orion, 



note on the (Huggins and Huggins), 

 151, 213. 



Photographs of the spectrum of the 

 nebula in Orion, preliminary note on 

 (Lockyer), 199. 



Pickering (Spencer Umfreville) elected, 

 104. 



admitted, 151. 



Platinum thermometer, on the determi- 

 nation of some boiling and freezing 

 points by means of the (Griffiths), 220. 



Potential, on a method of determining 

 the value of rapid variations of a 

 difference of, by means of the capil- 

 lary electrometer (Burch), 89. 



Preece (W. H.) on the heating effects 

 of electric currents. No. IV, 68. 



Presents, list of, 23, 68, 101, 149, 165, 

 359, 446, 461. 



President, address of the, 465. 



Price (Rev. B.) elected an auditor, 434. 



Rae (Dr.) elected an auditor, 434. 



Rayleigh (Lord) on the superficial vis- 

 cosity of water, 127. 



Rayleigh's (Lord) colour box, experi- 

 ments with (Schuster) , 140. 



Recalescence and magnetism (Hopkin- 

 son), 442. 



Respiration and circulation, on the 

 changes produced in the, by increase 

 of the intracranial pressure or tension 

 (Spencer and Horsley), 273. 



Respiration in man, on the position of 

 the vocal cords in quiet, and on the 

 reflex-tonus of their abductor muscles 

 (Semon), 156, 403. 



(Ricintu communij) on the germination 

 of the seed of the castor-oil plant 

 (Green), 370. 



Roberts (Isaac) elected, 104. 



admitted, 151. 



Rocks, on the relation between the mag- 

 netic permeability of, and regional 

 magnetic disturbances (Riicker), 358, 

 505. 



Riicker (A. "W.) on the relation between 

 the magnetic permeability of rocks 

 and regional magnetic disturbances, 

 358, 505. 



Sanderson (J. B.) photographic deter- 

 mination of the time-relations of the 

 changes which take place in muscle 

 during the period of so-called " latent 

 stimulation," 14. 



Schuster (A.) experiments with Lord 

 Rayleigh's colour box, 140. 



Seraon (F.) on tho position of the vocal 

 cords in quiet respiration in man, and 

 on the reflex-tonus of their abductor 

 muscles, 156, 403. 



and V. Horsley, an experi- 

 mental investigation of the central 

 motor innervation of the larynx. 

 Part I. Excitation experiments, 341. 



Sharp (David) elected, 104. 



admitted, 220. 



Shattock (S. G.) and C. A. Ballance, a 

 note on an experimental investigation 

 into the pathology of cancer, 23, 392. 



(Simia satyrus) a record of the results 

 obtained by electrical excitation of the 

 so-called motor cortex and internal 

 capsule in an orang outang (Beevor 

 and Horsley), 159. 



Sirius, on a new group of lines in the 

 photographic spectrum of (Huggins 

 and Huggins), 152, 216. 



Specific heats of gases at constant 

 volume, on the. Part I. Air, carbon 

 dioxide, and hydrogen (Joly), 440. 



resistance of mercury in absolute 



measure, on the- determination of the 

 (Jones), 434. 



Spectra of comet a 1890 and the nebula 

 G.C. 4058, on the (Lockyer), 163, 

 217. 



Spectroscopie properties of dust, the 

 (Lireing and Dewar), 437. 



Spectrum of Sirius, on a new group of 

 lines in the photographic (Huggins 

 and Huggins), 152, 216. 



of the great nebula in Orion, note 



on the photographic (Huggins and 

 Huggins), 151, 213. 



ot the nebula in Orion, on a re- 

 determination of the principal line in 

 the, and on the character of the line 

 (Huggins and Huggins), 151, 202. 



of the nebula in Orion, preliminary 



note on photographs of the (Lockyer), 

 199. 



of the nebula of Orion, note on the 



(Lockyer), 198. 



of the nebulae, on the chief line in 



spectrum of the (Lockyer), 167. 



Spencer (W.) and V. Horsley, on the 

 changes produced in the circulation 

 and respiration by increase of the 

 intracranial pressure or tension, 273. 



(Sphenodon punctatum) preliminary 

 note on the development of the 

 tuatara (Thomas), 152. 



Steel and iron, the passive state of. 

 Part I (Andrews), 116. 



Stroud (W.) preliminary note on a new 

 magnetometer, 260. 



Symons (G. J.) on barometric oscilla- 

 tions during thunderstorms, and on 





