INDEX. 



689 



Purser (Prof.) on the measurement, of 

 the lunar disturbance of gravity, 95. 



Pye-Smith (Dr.) on the influence of 

 bodily exercise on the elimination of 

 nitrogen, 269 ; on the Scottish zoologi- 

 cal station, 282. 



Quaternions, the establishment of the 

 elementary principles of, on an ana- 

 lytical basis, Dr. G. Plarr on, 451. 



Kaia, the genu^i, the presence of a ' tym- 

 panum ' in, G. IJ. Howes on, 577. 



Piailway accidents, statistical account of, 

 for the year 1881, by Rev. Dr. Ace, 

 630. 



brakes, an apparatus for recording 



the results of experiments with, by Sir 

 F. Bramwell, 677. 



Railways — a plea for unity of adminis- 

 tration, by E. J. Watherston, 643. 



Ralph (T. S.) on some toxic conditions of 

 the blood, illustrated bj' the action of 

 hydrocyanic acid, 577. 



Ramsay (Sir A. C.)on underground tem- 

 perature, 72 ; on the earthquake phe- 

 nomena of Japan, 205 ; on the pre- 

 paration of an international geological 

 map of Europe, 241. 



Ramsay (Prof. W.) on the conditions 

 under which ordinary sedimentary 

 materials may be converted into meta- 

 morphic rocks, 239. 



Ravenstein (E. G.) on the Royal Geo- 

 graphical Society's majs of Eastern 

 Equatorial Africa, 623. 



Rawson (Sir R.) on the work of the 

 Committee for carrying out the re- 

 commendations of the Anthropometric 

 Committee of 1880, 278. 



Rayleigh (Prof. Lord) on fixing a stan- 

 dard of white light, 38 ; on standards 

 for use in electrical measurements, 

 70 ; on the present state of our know- 

 ledge of spectrum analysis, 120 ; Ad- 

 dress by, to the Mathematical and 

 Physical Section, 437 ; on the tension 

 of mercury vapours at common tem- 

 peratures, 441 ; on the absolute mea- 

 surement of electric currents, 445 ; on 

 the duration of free electric currents 

 in an infinite conducting cylinder, 

 446 ; *on the equilibrium of liquid- 

 conducting surfaces charged with elec- 

 tricity, 447 ; *on an instrument for 

 measuring tlic intensity of aerial vibra- 

 tion, 477 ; *on the effect of wind on 

 the draught of chimnej^ ib. 



Rectifiable spherical epicycloid, or invo- 

 lute of a small circle, H. M. Jeffery on 

 the, 453. 



Reinold (Prof.) on the present state of 

 our knowledge of spectrum analysis, 

 120. 

 1882. y T 



Rent, the abstract theory of, by F. Y. 

 Edgeworth, 642. 



, the Ricardo theory of, by A. Milnes, 



642. 



Reynolds (Prof. E.) on the present state 

 of our knowledge of spectrum analy- 

 sis, 120. 



Reynolds (Prof. O.) on tlie best means of 

 ascertaining the effective wind pres- 

 sures to which buildings and struc- 

 tures are exposed, 315. 



Ricardo theory of rent, the, by A. Milnes, 

 642. 



Ricketts (Dr. C.) on subsidence as the 

 effect of accumulation, 540. 



Rigg (E.) on the determination of a 

 gauge for the manufacture of various 

 small screws, 311. 



Rigidity of the earth, a numerical esti- 

 mate of the, by G. H. Darwin, 472. 



Rilliet (A.) and Prof. J. M. Crafts on 

 the decomposition by heat of chlorate 

 of potassium, 493. 



Rivers, a supposed connection between 

 the heights of, and the number of 

 spots on the sun. Prof. Balfour Stew- 

 art on, 462. 



Roberts (C.) on obtaining photographs 

 of the t3pical races in the i?ritish 

 Isles, 270; on the work of the Com- 

 mittee for carrying out the recom- 

 mendations of the Anthropometric 

 Committee of 1880, 278. 



Roberts (I.) on the circulation of under- 

 ground waters, 21 3; the pressure of 

 wheat stored in elongated cells or 

 bins, 678. 



Roberts (Prof. W. C.) on the present state 

 of our knowledge of spectrum analysis, 

 130. 



Rodents, the early development of cer- 

 tain. Dr. A. Eraser on, 574. 



Roscoe (Prof.) on meteoric dust, 92 ; on 

 the preparation of a new series of 

 tables of wave lengths of the spectra 

 of the elements, 144'; on the workings 

 of the proposed'revised New Code, and 

 of other legislation affecting the teach- 

 ing of science in elementarv schools, 

 307. 

 * Rotation of a homogeneous liquid 



ellipsoid, A. G. Greenhill on the, 450. 

 Rubidium, a revision of the atomic 

 weight of, by C. T. Heycock, 499. 



Riicker (Prof.) on the methods employed 

 in the calibration of mercurial ther- 

 mometers, 145. 



Rudler(F. W.) on obtaining photographs 

 of the typical races in the British 

 Isles, 270. 



Sabine (R.) on some apparatus for \ise in 

 connection with electric light measure- 

 ment, 667. 



