INDEX. 
Accounts of the Society, Session 1917-18, 
246. 
Additions to Library by Gift or Purchase, 275- 
280. 
Adsorption, Thermodynamics of, by A. M. 
Williams, 23-39. 
Air- Waves and Sound-Waves of the East 
London Explosion of January 19, 1917, by 
Charles Davison, 115-129. 
Array, Quadratic Relations between the Deter- 
minants of a 4-by-8, by Sir Thos. Muir, 219- 
224. 
Awards of Prizes, 240. 
Beaton, Lieut. Wm. J. (Assistant Librarian, 
R.S. E. ), Obituary Notice of, by The General 
Secretary, 9. 
Carcinus mcenas (Shore-erab), Period of Survival 
of the, in Distilled Water, by Robert K. S. 
Lim, 14-22. 
Experiments on the Respiratory Mechan- 
ism of the, by Robert K. S. Lim, 48-56. 
Circular Equation, Tables of the. Studies in 
Clocks and Time-keeping. No. 2, by R. A. 
Sampson, 169-218. 
Clocks and Time-keeping, Studies in. No. 1 : 
Theory of the Maintenance of Motion, by 
R. A. Sampson, 75-114. 
— — — - No. 2 : Tables of the Circular Equation, 
by R. A. Sampson, 169-218. 
Council, List of, at October 1917, 230. 
at October 1918, 252. 
Davison (Charles). The Sound-Waves and other 
Air-Waves of the East London Explosion of 
January 19, 1917, 115-129. 
Deceased Fellows, Notices of, by C. G. Knott, 
10-13. 
Determinantal Equation whose Roots are the 
Products of the Roots of Given Equations, 
by William H. Metzler, 57-60. 
Determinants of a 4-by-8 Array, Quadratic 
Relations between the, by Sir Thos. Muir, 
219-224. 
Diets of Labouring Class Families in Glasgow 
in War Time, A Further Study of the, by 
Margaret I. H. Ferguson, 40-47. 
Ellis (D.). Phycomycetous Fungi from the 
English Lower Coal Measures, 130-145. 
Equation, A Determinantal, whose Roots are the 
Products of the Roots of Given Equations, by 
William H. Metzler, 57-60. 
Eudemis ncevana (Holly Tortrix Moth), Forma- 
tion of the Germ-band in, by L. H. Huie, 
154-165. 
Experiments on the Respiratory Mechanism of 
the Shore- crab {Carcinus mannas), by Robert 
K. S. Lim, 48-56. 
Explosion of January 19, 1917, The Sound- 
Waves and other Air- Waves of the East 
London, by Charles Davison, 115-129. 
Fellows, Ordinary and Honorary, deceased and 
resigned during Session 1917-18, 274. 
, Ordinary, List of, elected during Session 
1917-18, 274. 
Ferguson (Margaret I. H.). A Further Study 
of the Diets of Labouring Class Families in 
Glasgow in War Time, 40-47. 
Functions of the Second Kind connected with 
the Polynomials of Applied Mathematics, by 
Pierre Humbert, 61-69. 
Further Study of the Diets of Labouring Class 
Families in Glasgow in War Time, by 
Margaret I. H. Ferguson, 40-47. 
Gegenbauer’s Function C”(z), by Pierre Hum- 
bert, 61-69. 
Germ-band, Formation of, in the Egg of the 
Holly Tortrix Moth, by L. PI. Huie, 154-165. 
Hermite’s Polynomials, by Pierre Humbert, 
61-69. 
Horne (John). Recent Developments of the 
Committee of the Privy Council for Scientific 
and Industrial Research, 1-8. 
Huie (L. H.). The Formation of the Germ- 
band in the Egg of the Holly Tortrix Moth, 
Eudemis ncevana ( Mb. ), 154-165. 
Humbert (Pierre). A Reduction-formula for the 
Functions of the Second Kind connected with 
the Potynomials of Applied Mathematics, 61- 
69. 
Index of Papers published in 1 transactions during 
Session 1917-18, 291. 
Industrial Research, Recent Developments of the 
Committee of the Privy Council for Scientific 
and, by John Horne, 1-8. 
Keith Prize, Award of, to Robert C. Mossman, 
Period 1915-17, 242. 
Kidston (Dr R. ) and Prof. W. H. Lang. On 
Old Red Sandstone Plants showing Structure, 
from the Rhynie Chert Bed, Aberdeenshire. 
Part II. Additional Notes on Rhynia Gwynne- 
288 
