1250 
Prince (E. E.) on the development of the 
-  food-fishes at the St. Andrews marine 
laboratory, 1091; on the nest and de- 
velopment of Gastrosteus spinachia at 
the St. Andrews marine laboratory, 
1093. 
Proportions of the human body, a port- 
able scale of, by W. F. Stanley, 1206. 
Protoplasm, a chemical difference be- 
tween living and dead, Dr. O. Loew 
on, 1075. 
Psychology, experimental, a proposed so- 
ciety for, by J. Jacobs, 1230. 
Pumice or volcanic dust, a tabular state- 
ment of the dates at which, and the 
localities where, was seen in the Indian 
Ocean in 1883-84, by C. Meldrum, 
773. 
Punjab, the rivers of the, by Gen. R. 
Maclagan, 1129. 
Purdie (Prof.) on the action of sodium 
alcoholates on fumaric and maleic 
ethers, 972; on the chemical com- 
position of the milk of the porpoise, 
1072. 
*Radiation, a law concerning, Prof. 
Schuster on, 905. 
Radlkofer (Prof. Iu.) on the application 
of the anatomical method to the de- 
termination of the materials of the 
Linnean and other herbarla, 1080. 
Rae (Dr. J.) on overland expeditions to 
the Arctic coast of America, 1133 ; 
on the best and safest route by which 
to attain a high northern latitude, 
1136. 
Rainfall of the British Islands, the 
annual, by A. Buchan, 923. 
Ramsay (Sir A. ©.) on underground 
temperature, 93. 
Ramsay (Prof. W.) on the investigation 
of certain physical constants of solu- 
tion, especially the expansion of saline 
solutions, 261; on vapour pressures 
and refractive indices of salt solutions, 
284; on some actions of a Groves’s 
gas-battery, 965. 
and J. T. Cundall on the non-exist- 
ence of gaseous nitrous anhydride, 965, 
— and Dr. 8. Young on a means of ob- 
taining constant known temperatures, 
928; on certain facts in thermo- 
dynamics, 70. 
Rates of birth, death, and marriage, 
methods of ascertaining variations in, 
F. Y. Edgeworth on, 1165. 
Ravenstein (E. G.) on bathy-hypso- 
graphical maps, with special reference 
to a combination of the Ordnance and 
Admiralty surveys, 1140. 
Rawson (Sir R.) on the work of the 
Corresponding Societies Committee, 
708. 
INDEX. 
Rayleigh (Lord) on standards for use in ~ 
electrical measurements, 31; on stan- 
dards of white light, 61; *thermody- — 
namic efficiency of thermopiles, 898 ; . 
a theorem relating to the time-moduli 
of dissipative systems, 911; *on an 
improved apparatus for Christiansen’s 
experiment, 930; *optical comparison 
of methods for observing small rota- 
tions, ib.; *on the accuracy of focus 
necessary for sensibly perfect defini- 
tion, id. 
Redman (J. B.) on the rate of erosion of 
the sea-coasts of England and Wales, 
404; on the erosion of the south-— 
eastern coast of England, 407. 
Redmen about Roraima, note on the, by — 
E. F, im Thurn, 1215. 
Refraction, double, a point in the theory | 
of, R. T. Glazebrook on, 929. oa 
, magnetic double circular, Dr. 
W. B. Bracé on, 931. - 
Refraction goniometer, the value of the, 
in chemical work, Dr. J. H. Gladstone 
on, 970. 
Refraction of fluorine, G. Gladstone 
the, 970. 
Reian Meeris, projected restoration of 
the, and the province, lake, and canals 
ascribed to the Patriarch Joseph, by 
C. Whitehouse, 1127. 
Reinold (Prof. A. W.), the size of mole- 
cules, 986. 
Renard (Prof. A.) on some rock speci-— 
mens from the islands of the Fernandog 
Noronha group, 1031. 
Reynolds (Prof. O.) on the dilatancy of 
media composed of rigid particles in 
contact, 896. 
Rigg (E.) on the British Association 
standard gauge for small screws, 1203. 
*Rio Solimoes or Upper Amazon in 
Brazil, notes on the large southern” 
tributaries of the, with special refer-— 
ence to the Rio Jutahi, by Prof. J. W. 
H. Trail, 1138. 
Road engine, the employment of the, in 
construction and maintenance of roads, 
Col. Innes on, 1194. | 
Roberts (I.) on the circulation of under-_ 
ground waters, 380. 
Rock specimens from the islands of the 
Fernando Noronha group, Prof. Ag | 
Renard on some, 1031. 
Rocks of St. Kilda, notes on the, by A 
Ross, 1040. 
Roraima, the Redmen about, EH. F. im 
Thurn on, 1215. 
Roscoe (Prof. Sir H. E.) on meteoric 
dust, 34; on the best methods of re- 
cording the direct intensity of sol 
radiation, 156; on wave-length table 
of the spectra of the elements an 
compounds, 288; on the teaching o: 
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