VI 
Heelis James. — Two Deductions from Mr. G. H. Darwin’s Letter in 
Nature, Feb. 6, 1879, upon Sir W. Thomson’s Equation of Cooling, 
v — Vo + 
p X 
'J 7T 
4 
kt 
e 
0 
dz 
p. 83. 
Hurst H. A. — List of the Leguminosse of the Riviera collected by 
Joseph Sidebotham, Esq., in the Winter of 1877-78, p, 133. 
Ishimatsu Saduma. — On a Chemical Investigation of Japanese Lacquer, 
or TJrushi, p. 52. 
Mackereth Rev. Thomas, F.R.A.S., F.M.S. — On the Mean Temperatures 
of the Winters of the last 29 years, p. 78, 
Melvill J. Cosmo, F.L.S. — An Account of Three Visits to the Breidden 
Hills, Montgomeryshire, North Wales, in May, June, and July, 
1877, p. 26. 
Nasmyth James, C.E., F.R.A.S. — Relative Brightness of the Planets 
Venus and Mercury, p. 2, 
Plant John, F.G.S. — The Great Sheatfish, Silums glanis, in Loch Bad- 
a-Luacrudli, Ross, p. 107. 
Planta Pv. — O n the Grasses of Egypt, p. 134, 
Poynting J. H., B.A., B.Sc. — On the Estimation of Small Excesses of 
Weight by the Balance from the time of Vibration and the angu- 
lar Deflection of the Beam, p. 33. Arrangement of a Tangent 
Galvanometer for lecture-room purposes to illustrate the laws of 
the action of currents on Magnets, and of the resistance of wires, 
p. 85. 
Rawson Robert, Assoc. I.N.A. — Screw Propulsion, p. 90. 
Reynolds Professor Osborne, M.A., F.R.S. — On the Bursting of the Gun 
on Board the Thunderer, p. 58 
Rogers Thomas. — On Specimens of Ballast Plants collected at Cardiff in 
September, 187 8, p, 71. 
