550 



INDEX, 



action of an, upon gaseo^^s matter 

 (Tyndall), 307. 



Intermittent beam of radiant heat, 

 further experiments on the action of 

 an, on gaseous matter. Thermome- 

 tric measurements (Tyndall), 478. 



Iron lines widened in solar spots, on the 

 (Lockyer), 348. 



Jessel (Sir G.), elected, 59 ; admitted, 

 301. 



Kew Committee, report of the, 115. 

 Koji, on the diastase of (Atkinson), 

 523. 



Land-lizard, description of some remains 

 of the gigantic, from Australia : 

 Part III (Owen), 380. 



Lassell (William), obituary notice of, 

 vii. 



Limerick (Bishop of), admitted, 141. 



Liquid diffusion and osmose, electric 

 currents caused by (Gore), 296. 



Liquid films, on the electrical resistance 

 of thin (Remold and Rucker) , 524. 



Liquid state, on the limit of the (Han- 

 nay), 520. 



Liquids, dielectric capacity of, 347. 



Lloyd (R-ev. H.), obituary notice of, xxi. 



Lockyer (J. N.) on a sun-spot observed 

 August 31, 1880, 72. 



on the iron lines widened in solar 



spots, 348. 



Logarithms and anti-logarithms, on an 

 improved bimodular method of com- 

 puting natural and tabular, to twelve 

 or sixteen places with very brief tables 

 (Ellis), 381. 



Logarithms, on the potential radix as a 

 means of calculating (Ellis), 398. 



MacMunn (C. A ) , further researches into 

 the colouring matters of human urine, 

 with an account of their artificial pro- 

 duction from bilirubin, and from 

 hsematin, 206. 



researches into the colouring- 

 matters of human urine, with an ac- 

 count of the separation of urobilin, 26. 



Magnetic inchnation, note on the deter- 

 mination of, in the Azores (Thorpe), 

 237. 



Marcet (W.), experiments undertaken 

 during the summer, 1880, at Yvoire, 

 Courmayeur, and the " Col de Geant," 

 on the influence of altitude on respira- 

 tion, 418. 



Medals, presentation of the, 95. 



Megaiania prisca, description of some 

 remains of, Part III (Owen) , 380. 



Melting-points, preliminary note on the 



existence of ice and other bodies in 

 the solid state at temperatures far 

 above their ordinary (Carnelley), 284. 



Metallic reflexion, some experiments on, 

 No. II (Conroy), 486. 



Microscopical researches in high power 

 definition (Royston-Pigott) , 260. 



Miller (William Hallo wes), obituary 

 notice of, ii. 



Minute anatomy of the thymus, further 

 note on the (Watney), 326. 



Molecular electro-magnetic induction 

 (Hughes), 525. 



Molecular grouping in organic bodies, on 

 the influence of the, on their absorp- 

 tion in the infra-red region of the 

 spectrum (Abney and Festing), 416. 



Molecular heat and volume of the rare 

 earths and their sulphates (Nilson and 

 Pettersson), 46. 



Muscular tissue, upon the cause of the 

 striation of voluntary (Hay craft) , 360. 



Musical pitch of harmonium reeds, on the 

 influence of temperature on the (Ellis) , 

 413. 



Newton's table of colours, revision of 



(Remold and Rucker), 524. 

 Nilson (L. E.) and Otto Pettersson on 



the essential properties and chemical 



character of beryllium (glucinum) , 37. 

 on the molecular heat and 



volume of the rare earths and their 



sulphates, 46. 



Obituary notices of Fellows deceased : — 

 Ansted, David Thomas, i. 

 Lassell, William, vii. 

 Miller, William Hallowes, ii. 

 Sharpey, William, x. 

 Stenhouse, John, xix. 

 Lloyd, Rev. Humphrey, xxi. 



Occurrence of ganglion cells in the ante- 

 rior roots of the cat's spinal nerves, 

 note on the (Schafer), 348. 



Officers, election of, 101. 



Organic compounds, the refraction equi- 

 valents of carbon, hydrogen, oxygen, 

 and nitrogen in (Gladstone), 327. 



Or 'nithorhynchus pi ity pus, cochlea of the, 

 compared with that of ordinary mam- 

 mals and of birds (Pritchard), 149. 



Osmose, electric currents caused by liquid 

 diffusion and (Gore), 296. 



Ossification of the terminal phalanges of 

 the digits, on the (Dixey), 63. 



Ovarian ovum in the common fowl and 

 in the rabbit, note to the paper on the 

 structure of the immature (Schafer), 

 282. 



Owen (R.), description of some remains 

 of the gigantic land-lizard {Megalania 



