XXI 



Obituary notices of Fellows deceased : 



Brady, Henry Bowman, x. 



Caird, Sir James, xiii. 



Duncan, Peter Martin, iv. 



Grant, James Augustus, xiv. 



Hawkshaw, Sir John, i. 



Jeffery, Henry Martyn, vii. 



Paget, Sir George Edward, xiii. 

 Officers, nomination of, 194. 



election of, 231. 



Oxygen, experiment on magnetism of 



liquid, 247, 261 : 



researches on the absorption of, 



and formation of carbonic acid, in 

 ordinary human respiration and in 

 the respiration of air containing an 

 excess of carbonic acid (Marcet), 58. 



and hydrogen, on the relative 



densities of, No. II (Eayleigh), 448. 



Ozone, experiment with liquid, 261. 



Paget (Sir George Edward) obituary 



notice of, xiii. 

 Parker (T. J.) additional observations 



on the development of Apteryx, 340. 

 Periodic motion, on instability of 



(Thomson), 194. 

 Perry (J.), W. E. Sumpner, and W. E. 



Ayrton, quadrant electrometers, 53. 

 Photometry, colour. Part III (Abney 



and Festing), 369. 

 Plante lead-sulphuric acid-lead peroxide 



cell, a study of the, from a chemical 



standpoint. Part I (Robertson), 



105. 

 Part II. A discussion of the 



chemical changes occurring in the cell 



(Armstrong and Kobertson), 108. 

 Portraits and busts in the apartments of 



the Royal Society, list of, 516. 

 Postoesophageal nerve cord of the Crus- 

 tacea, on some histological features 



and physiological properties of the 



(Hardy), 144. 

 Poynting (J. H.) on a determination ol 



the mean density of the eartli and 



the gravitation constant by means of 



the common balance, 40. 

 Presents, lists of, 76, 118, 144, 187, 214, 



257, 274, 359, 403, 425, 443, 463, 



476. 



President, address of the, 219. 

 congratiilations of Society offered 



to, on his elevation to the peerage, 



318. 



Quadrant electrometers (Ayrton, Perry, 



and Sumpner), 53. 

 Queen, address of sympathy to the, 



318. 

 letter of acknowledgment for, 



431. 



Kami rommunicantes, sonic observa- 

 tions on white and grey (Langley), 

 446. 



Ramsay (W.) and S. Young, on some of 

 the properties of water and of steam, 

 254. 



Eayleigh (Lord) on the relative densi- 

 ties of hydrogen and oxygen. No. II, 

 448. 



Rays, further observations on the gesta- 

 tion of Indian ; being natural history 

 notes from H.M. Indian Marine Sur- 

 vey steamer " Investigator." Series 

 II, No. 2 (Wood-Mason and Alcock), 

 202. 



Repulsion and rotation produced by 

 alternating electric currents (Walker) , 

 255. 



Respiration, researches on the absorp- 

 tion of oxygen and formation of 

 carbonic acid in ordinary human, and 

 in the respiration of air containing an 

 excess of carbonic acid (Marcet) , 58. 



and circulation, on the changes 



evoked in the, by electrical excitation 

 of the floor of the 4th ventricle 

 (Spencer), 142. 



in the Myriapoda, a new mode of 



(Sinclair), 200, 358. 



Roberts-Austen (W. C.) on the melting 

 points of the gold-aluminium series of 

 alloys, 367. 



Robertson (G. H.) a study of the Plant t' 

 lead-sulphuric acid-lead peroxide cell 

 from a chemical standpoint. Part I . 

 105. 



and H. E. Armstrong, a study of 



the PlantS lead-sulphuric acid-lead 

 peroxide cell from a chemical stand- 

 point. Part II. A discussion of thu 

 chemical changes occurring in tin' 

 cell, 108. 



Rock, note on some specimens of, which 

 have been exposed to high tempera- 

 tures (Bonney), 395. 



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

 butions to the physiology and patho- 

 ]ogy of the mammalian heart, 435. 



Riicker (Arthur W.) awarded Royal 

 medal, 230. 



Safety-lamps, an apparatus for testing 



the sensitiveness of (Clowes), 122. 

 Sauropterygia, the nature of thr 



shoulder girdle and clavicular arch in 



(Seeley), 446. 

 Schunck (E.) contributions to the 



chemistry of chlorophyll, ^o. IT, 



143, 302. 

 Schuster (A.) and A. W. Crossley, on 



the electrolysis of silver nitrate / 



vacua, 344. 



