INDEX TO VOL. L. 



ABNEY (W. de W.) and Maj.-Gen. 

 Festing, colour photometry. Part 



Adami (J. G.) and C. S. Roy, contribu- 

 tions to the physiology and pathology 

 of the mammalian heart, 435. 



Adams (W. Q-.) comparison of simul- 

 taneous magnetic disturbances at 

 several observatories, and determina- 

 tion of the value of the Gaussian 

 functions for those observatories, 129. 



Address of the President, 219. 



Addresses of sympathy to the Queen 

 and the Prince and Princess of Wales 

 318. 



letters of acknowledgment 



for, 318, 431. 



Agassiz (Alexander) elected a foreign 

 member, 194. 



Air thermometer, on a compensated 

 (Callendar), 247. 



Alcock (A.) and J. Wood-Mason,' fur- 

 ther observations on the gestation of 

 Indian rays ; being natural history 

 notes from H.M. Indian Marine 

 Survey steamer " Investigator." Series 

 2, No. II, 202, 



Alloys, on certain ternary. Part V. 

 Determination of various critical 

 curves, and their tie-lines and limiting 

 points (Wright), 372. 



on the melting points of the gold- 

 aluminium series of (Roberts- Austen), 

 367. 



of nickel and iron, note on the 



density of (Hopkinson), 121. 



Alternating electric currents, repulsion 

 and rotation produced by (Walker), 

 255. 



Aluminium-gold alloys, on the melting 

 points of (Roberts- Austen), 367. 



Anderson (William) elected, L 



admitted, 166. 



Anniversary meeting, 218. 



Apteryx, additional observations on the 

 development of (Parker), 340. 



Armstrong (H. E.) and G. H. Robert- 

 son, a study of the Plante lead- 

 sulphuric acid-lead peroxide cell, 

 from a chemical standpoint. Part II. 

 A discussion of the chemical changes 

 occurring in the cell, 108. 



VOL. L. 



Audibility of single sound wave?, and 



the number of vibrations necessary to 



produce a tone, note on the (Herroun 



and Yeo), 318. 

 Auditors elected, 166. 



report of, 218. 



Auriga, on the new star in (Lockyer), 



407, 466. (See also Nova Auriga;.) 

 Ayrton (W. E.) and H. Kolgour, the 



thermal euiissivity of thin wires in 



air, 166. 



J. Perry, and W. E. Sumpner, 



quadrant electrometers, 53. 



Bayliss (W. M.) and E. H. Starling, on 

 the electromotive phenomena of the 

 mammalian heart, 211. 

 Biologic regions and tabulation areas, on 



(Clarke), 472. 



Blood, preliminary note on the be- 

 haviour of sugar in (Harley), 442. 

 Bonney (T. G.) note on some specimens 

 of rock which have been exposed to 

 high temperatures, 395. 

 Bower (Frederick Orpen) elected, 1. 



admitted, 166. 



studies in the morphology of spore- 

 producing members. Preliminary 

 statement on the Lycopodinae and 

 Ophioglossaceae, 265. 

 Brady (Henry Bowman) obituary 



notice of, x. 

 Brennand (W.) on Hindoo astronomy. 



254. 



Brunton (T. L.) and S. Delepine, on 

 some of the variations observed in tin- 

 rabbit's liver under certain physiolo- 

 gical and pathological circumstances, 

 209. 

 Burbury (S. H.) on the collision of 



elastic bodies, 175. 



Burch (G. J.) on the time-relations of 

 the excursions of the capillary electro- 

 meter, with a description of the 

 method of using it for the investiga- 

 tion of electrical changes of shor 

 duration, 172. 



Burton (C. I.) and W. Marshall, on the 

 measurement of the heat produced by 

 compressing liquids and solids, 130. 



Caird (Sir James) obituary notice of, xiii. 

 f 



