INDEX. 



839 



■fRAVLEiGH (Lord) on the amplitude of 

 sonorous waves which are but just audi- 

 ble, 573. 



• and Prof. W. Ramsay on a new 



gaseous constituent of air, 614. 



Reaction time, simple, for sight, hearing, 

 and touch. Prof. W. Rutherford on the 

 measurement of, 805. 



'Reduction division ' in the cartilaginous 

 fishes, J. E. S. Moore on the, 338. 



Keid (A. S.) on the collection, preser- 

 vation, and systematic registration of 

 photographs of geological interest in the 

 United Kingdom, 274. 



(Prof. E. Waymouth) on ' pigeons' 



milk,' 812. 



Reindeer age, a new statuette of the, 

 representing a woman, sculptured in 

 ivory. Dr. E. Cartailhac on, 783. 



Relationship, the classificatory system 

 of. Rev. Lorimer Fison on, 788. 



♦Relief of the British Isles, B. V. Darbi- 

 shire on a new representation of the 

 vertical, 718. 



Rennie (J.), eomjmrison of certain ohm. 

 standards of the Board of Trade, 130. 



'Rent' and 'interest,' proposal for an 

 agreement on the terras, by C. S. 

 Devas, 733. 



Resistance of ropiJer and of silver, Rev. 

 T. C. Fitzpatrich on the specifia, 131. 



* experienced by solids moving 



through fluids. Lord Kelvin on the, 557. 



Response of animals to changes of tem- 

 perature, M. S. Pembrey on the, 791. 



Reynolds (Prof. J. Emerson) on the 

 electrolytic methods of quantitative 

 analysis, 160. 



(Prof. Osborne) on methods of de- 

 termining the dryness of steam, 392. 



* , experiments showing the boiling 



of water in an open tube, 564. 



Rhsetic strata of Britain, vertebrate 

 remains from the, Montagu Browne 

 on some, 657. 



RiDBAL (Dr. S.) on the iodine value of 

 sunlight in the High Alps, 612. 



Riemann, la gtometrie non-euclidienne 

 de, les principes fondamentaux de, 

 Prof. P. Mansion sur, 579. 



Riley (Prof. C. V.) on the present state 

 of our hwn-ledge of the zoology of the 

 Sandn-ich Islands, 343. 



on social insects and evolution, 689. 



(E.) on the best method of estaUishing 



an international standard for the 

 analysis of iron and steel, 237. 



Roberts (Dr. L) on earth tremors, 145. 



on the circulation of nnderground 



waters, 283. 



on photographs of spiral and elliptic 



algebraic integrals of the Abelian sya*^ 



tem of differential equations, 557. 

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



hlhliography of spectroscopy, 161. 

 on the best method of establishing an 



international standard for the analysis 



of iron and steel, 237. 



on the electrolysis of glass, 615. 



nebulas, 569. 

 . (W. R. Westropp), a method of de- 



termining all the rational and integral 



Robertson (David) on the character of 

 the high-level shell-bearing deposits at 

 Clara, C'inpelhall, and. other localities, 

 307 ; on the Chapelhall clay, 313. 



Robinson (Dr. Louis) on the anthropo- 

 logical significance of ticklishness, 778. 



Rodger (J. W.) and Dr. T. E. Thorpe 

 on the relations between the viscosity 

 of liquids and their chemical nature, 

 615. 



Romanes (Dr. G. J.) on the influence of 

 previous fertilisation of the female on 

 her subscqtoent offspring, and the effect 

 of maternal impressions during preg- 

 nancy on the offspring, 346. 



Ronayne's cubes. Prof. H. Hennessy on, 

 578. 



*Root and shoot, the correlation between, 

 Prof. L. Kny on, 688. 



*Root-tip, the sensitiveness of the, Prof. 

 W. Pfetfer on, 689. 



RoscoB (Sir H. E.) on the best methods 

 of recording the direct intensity of solar 

 radiation, 106. 



on ware-length, tables of the spectra 



of the elements and compounds, 248. 



on the teaching of science in ele- 

 mentary schools, 359. 



Rotary energy in non-colliding rigid 

 bodies, the possible la?vs of partition of, 

 O. H. Bryan on, 98. 



♦Rotating cylinder, the behaviour of a, 

 in a steady current, A. Mallock on, 

 557. 



Rotational axis of the earth, the displace- 

 ment of the, Prof. W. Forster on, 476. 



Roth (H. Ling) on the alleged presence 

 of negritoes in Borneo, 780. 



* on Tasmanian stone implements, 



782. 



RiJCKF.R (Prof. A. W.), Address to the 

 Mathematical and Physical Section by, 

 543. 



Rudler (F. W.) on the volcanic 2>he- 

 nomena of Vesuvius and its neighbour- 

 hood, 315. 



RuMLEY (Mair) 07i methods of determin- 

 ing the dryness of steam, 392. 



Russell (J. \V.), a complete solution of 

 the problem ' To find a conic with 

 respect to which two given conies shall 

 be reciprocal polars,' 578. 



the impossibility of trigraphic fields 



of spaces, 578. 



(Dr. W. J.) on the actimi of light 



upon dyed colours, 238. 



