ili ie! 
INDEX, 
810; on the bibliography of solution, 
ib.; on the theory of solution, 325; on 
the influence of the silent discharge 
of electricity on oxygen and other 
gases, 338; *on the adiabatic curves 
for ether, gas, and liquid, at high 
temperatures, 746. 
Range-finders, or telemeters, some new, 
Profs, A. Barr and W. Stroud on, 
499, 
Rate of explosion, the, of hydrogen and 
chlorine in the dry and moist states, 
Prof. H. B. Dixon and J. A. Harker 
on, 776. 
*Ravenstein (E. G.) on the lands of 
the globe still available for European 
settlement, 893. 
Rawson (Sir R.) on the work of the 
Corresponding Societies Committee, 
55. 
Rayleigh (Lord) on standards for use in 
electrical measurements, 95; on elec- 
trolysis in its physical and chemical 
hearings, 138; on defective colour 
vision, 728; on the tension of water 
surfaces, clean and contaminated, in- 
vestigated by the method of ripples, 
746; instantaneous photographs of 
water jets, 752. 
Reactions for the detection of hydrogen 
dioxide, and the reactions for ura- 
nium, the limits of the, T. Fairley on, 
783. 
Read (A. A.) and Dr. G. H. Bailey, the 
behaviour of the more stable oxides at 
high temperature, 773. 
Refraction and dispersion in certain 
metals, H. BE. J. G. du Bois and H. 
Rubens on, 728. 
Regeneration of lost parts in polyzoa, 
S. F. Harmer on the, 862. 
Reid (A. 8.) on the collection, preserva- 
tion, and systematic registration of 
photographs of geological interest in 
the United Kingdom, 429. 
Reid (C.) on an ancient sea-beach near 
Bridlington Quay. 375. 
Reinold (Prof. A. W.) on electrolysis in 
its physical and chemical bearings, 
138; on the bibliography of spectro- 
scopy, 261. 
Religion of the Australian aborigines, 
notes on the, by J. W. Fawcett, 969. 
Reversion, Miss N. F. Layard on, 973. 
Reynolds (Prof, O.) on the investigation 
of the action of waves and currents on 
the beds and foreshores of estuaries 
by means of working models, 512. 
*Rhodes (Dr.), exhibition of maps illus- 
oe the statistics of pauperism, 
: 22, | 
Richardson (Dr.) on the action of light 
- on the hydracids of the halogens in 
presence of oxygen, 263, 
1890. 
1001 
Rickards (G. H. L.), the Factories and 
Workshops Acts, past and present, 
927. 
Ridewood (W. G.) on the occupation of 
the table at the laboratory of the 
Marine Biological Laboratory at Ply- 
mouth, 446; on the air-bladder of 
clupeoid fishes, 7d. 
Riley (E.) on the best method of esta~ 
blishing an international standard for 
the analysis of iron and steel, 262. 
Risley (Mr.) on the natives of India, 
547. 
Roberts (I.) onarranging an investigation 
of the seasonal variations of tempera- 
ture in lakes, rivers, and estuaries, 92 ; 
on the circulation of underground 
waters, 352. 
Roberts-Austen (Prof. W. C.) on elec- 
trolysis in its physical and chemical 
bearings, 138; on the bibliography of 
spectroscopy, 261 ; on the influence of 
silicon on the properties of iron and 
steel, 262; on the best method of 
establishing an international standard 
for the analysis of iron and steel, 2d. 
Roman camp, a supposed, at Octon, by 
T. R. Mortimer, 980. 
Roscoe (Sir H. H.) on the best methods 
of recording the direct intensity of 
solar radiation, 144; on the prepara- 
tion of a new series of wave-length 
tables of the spectra of the elements 
and compounds, 224; on the present 
methods of teaching chemistry, 265; 
on the teaching of science in element- 
ary schools, 489; *on recent legisla- 
tion as facilitating the teaching of 
soience, 772. 
Rotary machine for composing and dis- 
tributing printing type, a, by J. 
Southward, 951. 
Rotch (A. L.) on a meteorological ob- 
servatory recently established on 
Mont Blane, 747. 
*Rowland (Prof. H. A.) on the spectra 
of the elements and the constitution 
of the sun, 751. 
Rubens (H.) and H. KE. J. G. du Bois on 
refraction and dispersion in certain 
metals, 728. ' 
Riicker (Prof. A. W.) onaelectrolysis in 
its physical and chemical bearings, 
138; on researches on electro-optics, 
144; on the best means of comparing 
and reducing magnetic observations, 
172. 
* and Prof. T. B. Thorpe on regional 
magnetic disturbances in the United 
Kingdom, 751. 
Rudler (F. W.) on the volcanic pheno- 
mena of Vesuvius and its neighbour- 
hood, 397; on the. nomad tribes of 
Asia Minor and Northern ee 535 ; 
z 
