250 REPORTS ON THE STATE OF SCIENCE.—1917. 
Ripyarp, G. J. (Manchester Geol. Min. Soc.). Note upon a Flash in the Workings 
of a Mine at Tyldesley, probably caused by a Lightning Discharge conducted 
from the Surface. ‘Trans. Inst. Min. Eng.’ tm. 135-136. 1917. 
RuTHERFORD, JoHN. Weather and other Notes taken at Jardington during 1915, 
‘Trans. Dumfriesshire and Galloway N. H. A. Soc.’ rv. (Third Series), 58-68. 1916. 
Sr. Joun, C. E., and W.S. Apams. The Question of Diffused Light in Mount Wilson 
Solar Observations. ‘Journal Royal Astr. Soc. of Canada,’ x. 553-555. 1916. 
Sreppins, Jory. The Avrora of August 26, 1916. ‘Journal Royal Astr. Soc. of 
Canada,’ x1. 133-134. 1917. ; 
Srozss, J. T. The Earthquake of January 14th, 1916, ‘Trans. N. Staffs F. C.’ 
L. 63-68. 1916. 
Swinton, A. E. Meteorological Observations in Berwickshire for 1915. ‘ History 
Berwickshire Nat. Club,’ xxi. 404. 1916. 
—— Meteorological Observations in Berwickshire for 1916. ‘ History Berwickshire 
Nat. Club,’ xxim. 239. 1917. 
VAN DER Lincen, J. Srepn. On the ‘ Lines’ within Réntgen Interference Photo- 
grams, ‘Trans. Royal Soc. of South Africa,’ v. 571-573. 1916. 
Simple Apparatus for use in Applied Mathematics. ‘Trans. Royal Soc. of 
South Africa,’ v. 599-602, 1916. 
—— Heating and Cooling Apparatus for Réntgen Crystallographic Work. ‘ Trans. 
Royal Soc. of South Africa,’ v. 647-651. 1916. 
Watrorp, Dr. E. Meteorological Observations in the Society’s District, 1915. 
‘Trans. Cardiff Nat. Soc.’ xiv. 75-96. 1916. 
Watson, ALBERT D. Companions of theSun. ‘ Journal Royal Astr. Soc. of Canada,’ 
x, 354401. 1916. 
President’s Address: Astronomy in Canada. ‘Journal Royal Astr. Soc. of 
Canada,’ x1. 47-78. 1917. 
Wiurams, A. R. The Great Frost, 1917. ‘Selborne Magazine,’ xxvmr. 49-54, 
1917. 
Youna, J. Earthquakes of January 29 and February 20,1917. ‘Journal Royal 
Astr. Soc. of Canada,’ xt. 146-147. 1917. 
Younc, Reynorp K. Orbit of the Spectroscopic Binary Boss 6142. ‘ Journal 
Royal Astr. Soc. of Canada,’ x. 297-301. 1916. 
Orbit of the Spectroscopic Binary y Aurige. ‘Journal Royal Astr. Soe. 
of Canada,’ x. 358-374. 1916. 
Note on the Spectroscopic Binary 12 Lacertse. ‘Journal Royal Astr. Soc. 
of Canada,’ x. 375-375. 1916. 
Orbit of the Spectroscopic Binary 2 Sagitte. ‘Journal Royal Astr. Soe. of 
Canada,’ x1. 127-132. 1917. : 
Section B.—CHEMISTRY. 
Armstronc, Dr. E. Franguanp. Modern Explosives. ‘ Proc. Warrington Lit. 
Phil. Soc.’ 1914-1916, 8 pp. 1916. 
Asuwortn, Dr. J. R. Rochdale Soot-Fall. ‘Trans. Rochdale Lit. Sci. Soc.’ xm. 
50-53. 1916. 
Bertmeer, J. J. The Physical Condition of Cassiterite in Cornish Mill Products. 
‘Report Royal Cornwall Poly. Soc.’ 3, 56-72. 1916. 
Drew, W. Newton (Midland Inst. Eng.). The Rectification of Benzol. ‘ Trans. 
Inst. Min. Eng.’ Lor. 10-21. 1917. 
Ferauson, Prof. Joux. Some Karly Treatises on Technological Chemistry. Supple- 
ment V. ‘ Proc. Glasgow Royal Phil. Soc.’ xivir. 176-228. 1917. 
Grauam, J. Ivon. The Permeability of Coal to Air or Gas, and the Sclubilities of 
different Gases in Coal. ‘Trans. Inst. Min. Eng.’ to. 338-347. 1917. 
—— The Absorption of Oxygen by Coal. Part X.—The Formation of Water in 
the Oxidation of Coal. ‘Trans. Inst. Min. Eng.’ Lit. 348-253. 1917. 
Wino, T. F. The Estimation of Moisture in Coal. ‘Trans. Inst. Min, Eng.’ 
ur. 484-492. 1916. 
The Absorption of Oxygen by Coal. Part VIII.—The Effect on the Absorption 
of the Size of the Coal-particles and the Percentage of Oxygen in the Air. ‘ Trans. 
Inst. Min. Eng.’ 11. 493-499. 1916. 
Part IX.—Comparison of Rates of Absorption of Oxygen by different 
Varieties of Coal. ‘Trans. Inst. Min. Eng.’ t1. 510-531. 1916, 
