538 



INDEX. 



chief branches of mathematics and 

 physics, 37. 

 Reade (M.) on the circulation of under- 

 ground waters, 155. 

 Reformatory punishment, F. T. Mott on, 



478. 

 Renard (The Abbe A.) and T. Murray on 

 the volcanic products of the deep sea 

 of the Central Pacific with reference to 

 the ' Challenger ' expedition, 340. 

 Renfrewshire, the rocks of, M. Blair on, 



344. 

 Repulsion of wires influenced by electric 

 currents, W. H. L. Russell on the, 263. 

 Retinal activity, a law of, Prof. S. P. 



Thompson on, 404. 

 Revolver photographique, l'application 

 du, a l'etude des eclipses partielles et 

 a celle des mouvements des animaux, 

 Dr. J. Janssen sur, 283. 

 Reynolds (Prof. O.) on the phenomena 

 of the stationary tides in the English 

 Channel and the North Sea, and the 

 value of tidal observations in the North 

 Atlantic Ocean, 71. 

 Rhsetic beds at Gainsborough, a northerly 

 extension of the, F. M. Burton on, 337. 

 Ricketts (Dr. C.) on some remarkable 

 pebbles in the boulder-clay of Cheshire 

 and Lancashire, 339. 

 Rink (Dr. H.) on the interior of Green- 

 land : the principal points of geogra- 

 phical interest connected with it, and 

 the recent expeditions for its explora- 

 tion, 452. 

 Roberts (C.) on the work of the Anthro- 

 pometric Committee, 175 ; a classifica- 

 tion of the physical conditions of life, 

 381. 

 Roberts (E.) on the datum-level of the 

 Ordance Survey of Great Britain, and 

 the tabulation and comparison of other 

 datum-marks, 219. 

 Roberts (I.) on the circulation of under- 

 ground waters, 155. 

 Roberts (W. C.) on the chemistry of some 

 of the lesser-known alkaloids, espe- 

 cially veratria and bebeerine, 133 ; 

 some experiments with the voltaic in- 

 duction balance, 303. 

 Robinson (J.), Address by, to the Mecha- 

 nical Section, 495. 

 Rogers (Major) on surveys round Kan- 

 dahar, 448. 

 Rolleston (Prof.) on the occupation of a 

 table at the zoological station at Naples, 

 165 ; on the work of the Anthropome- 

 tric Committee, 175. 

 Rowe (J. B.) on the marine zoology of 



Devon and Cornwall, 165. 

 Russell (W. H. L.) on a theorem in linear 

 differential equations, 263 ; on the re- 

 pulsion of wires influenced by electric 

 currents, 263. 



♦Sanderson (Prof. J. B.) on the automatic- 

 mechanism of the batrachian heart,. 

 404. 



Sanford (W. A.) on the exploration of 

 Kent's Cavern, 140. 



Saunders (T.) on the orography of 

 the North- Western frontier of India,. 

 449. 



Savings of the people as evidenced by 

 the returns of the trustees and Post 

 Office savings banks, Prof. L. Levi on 

 the, 492. 



Science teaching in connection with ele- 

 mentary schools, J. F. Moss on, 476. 



Scientific societies, the, in relation to the 

 advancement of science in the United 

 Kingdom, Prof. L. Levi on, 458. 



Sclater (Mr.) on the occupation of a 

 table at the zoological station at Naples, 

 165 ; on the steps taken for investi- 

 gating the natural history of Socotra, 

 210. 



Seeds, fruits and, Sir J. Lubbock on, 

 370. 



Septic organisms in living tissues, expe- 

 riments on, by Dr. E. L. Moss, 416. 



Sheffield, the vital statistics of, T. W. 

 Hime on, 488. 



Shoolbred (J. N.) on the phenomena of 

 the stationary tides in the English 

 Channel and the North Sea, and the 

 value of tidal observations in the North 

 Atlantic Ocean, 71 ; on instruments 

 for measuring the speed of ships, 210 ; 

 on the datum-level of the Ordnance 

 Survey, and the tabulation and com- 

 parison of 'other datum-marks, 219 ; 

 on recent advances in electric lighting, 

 503. 



Shorawak valley, Major Campbell on the, 

 447. 



Siemens (Dr. C. W.) on the elasticity of 

 wires, 33 ; on instruments for measur- 

 ing the speed of ships, 210 ; on patent 

 legislation, 223. 



SigiUarias, the Carboniferous, the botani- 

 cal affinities of, Prof. W. C. Williamson 

 on, 346. 



Siliceous skeletons, the replacement of,, 

 by carbonate of lime, W. J. Sollas on,. 

 350. 



*Silva (R. D.) on the synthesis of di- 

 phenyl propyl, 293. 



Simpson (W.) on the Jellalabad region,. 

 443. 



Siphons, self-acting intermittent, and the 

 conditions which determine the com- 

 mencement of their action, R. Field on, 

 223. 



Skertchly (S. B. J.) on evidence of the 

 existence of palaeolithic man during 

 the glacial period in East Anglia, 379 ; 

 on a new estimate of the date of the 

 neolithic age, 380 ; on the survival of 



