514 



INDEX. 



Lockyer (J. ~N.), note on the spectrum 



of sodium, 140. 

 on a new method of studying 



metallic vapours, 266. 

 report to the Committee on Solar 



Physics on the basic lines common to 



spots and prominences, 247. 



McAlister (D.), the law of the geo- 

 metric mean, 367. 



Maclear (Sir Thomas) , obituary notice of, 

 xviii. 



Magnetic circuits in dynamo- and mag- 

 neto-electric machines, preliminary 

 note on (Elphinstone and Vincent), 

 292. 



Magnetic bines of force in magnets, new 

 method of investigating the (Shettle), 

 102. 



Magnetic survey of the fortieth parallel 

 in North America (Thorpe), 1. 



Magnetical observations made by the 

 officers of the Arctic expedition, 1875- 

 76, results of (Creak), 29. 



Mallock (A.), the measurement of the 

 ratio of lateral contraction to longi- 

 tudinal extension in a body under 

 strain, 157. 



Marcet (W.), note on the paper (read 

 April 24) " A summary of an inquiry 

 into the function of respiration at 

 various altitudes on the Island and 

 Peak of Teneriffe," 226. 



Maskelyne (A. M. K. Story), obituary 

 notice of, xx. 



Matheson (Sir James), obituary notice 

 of, xxi. 



Matthey (G-.) , elected, 150 ; admitted, 

 281. 



Medals, presentation of, 407. 



Metallic vapours, on a new method of 

 studying (Lockyer), 266. 



on the reversal of the lines of : 



No. VII (Liveing and Dewar), 402. 



Method of detecting the unknown in- 

 equalities of a series of observations, 

 preliminary report on a (Stewart and 

 Dodgson), 106. 



Microscopical researches in high power 

 definition (Royston-Pigott) , 164. 



Miers (John), obituary notice of, xxii. 



Milk-curdling ferment in the pancreas, 

 note on the existence of (Roberts), 

 157. 



Mills (E. J.) and J. J. Smith, re- 

 searches in chemical equivalence : 

 Part III. Nickelous and cobaltous 

 sulphates, 181. 



Mineral, structural, and chemical 

 characters of ophites and related 

 rocks, on the origin of the (King and 

 Rowney), 214. 



Mixed herbage of permanent meadow, 



results of experiments on the (Lawes 



and Gilbert), 230. 

 Mixtures of colloids with crystalloids, on 



movements observed in (Ord), 238. 

 Motion of two spheres in a fluid (Hicks) , 



162. 



Moulton (S. F.) and W. Spottiswoode 

 on the sensitive state of electrical 

 discharges through rarefied gases, 21. 



Mountings of the telescopes at Bin- 

 Castle, on some recent improvements 

 made in the (Posse), 157. 



Muller (H. W.) and W. De La Rue, ex- 

 perimental researches on the electric 

 discharge with the chloride of silver 

 battery, 281. 



Murchison (C), obituary notice of, 

 xxiii. 



Nickelous and cobaltous sulphates. Re- 

 searches in chemical equivalence : III 

 (Mills and Smith), 181. 



Niven (C), on the conduction of heat 

 in ellipsoids of revolution, 98. 



(W. D.), on certain definite in- 

 tegrals occurring in spherical har- 

 monic analysis, and on the expansion 

 in series of the potentials of the ellip- 

 soid and of the ellipse, 2. 



Noble (Capt.) and F. A. Abel. Re- 

 searches on explosives : No. II. (Fired 

 gunpowder), 123. 



Normal paraffins : Part III. (Schor- 

 lemmer), 364. 



Nuclei, on the action of, in producing 

 the sudden solidification of super- 

 saturated solutions of Glauber's salts 

 (Tomhnson), 326. 



on the action of solid (Tomlin- 



son), 24. 



Obituary notices of Fellows deceased : — 



Blakiston (Dr. P.), i. 



Fronde (W.), ii. 



Heath (Baron J. B.), vi. 



Kelland (Professor), vii. 



Larcom (Sir T.), x. 



Lefevre (Sir J. G. Shaw-), xv. 



Maclear (Sir T.), xviii. 



Maskelyne (A. M. R. Story-) , xx. 



Matheson (Sir J.), xxi. 



Miers (J.), xxii. 



Murchison (C), xxiii. 



Tweeddale, Marquis of, xxv. 



Waterhouse (J.), xxvii. 



Weber (E. H.), xxviii. 



Woodcroft (B.), xxxii. 

 Obliquity of the equator and axis of bar 



magnets, on a new method of investi- 

 gating the magnetic lines of force in 



magnets, demonstrating the, 102. 

 Ophites and related rocks, on the origin 



of the mineral, structural, and chemi- 



