VI 
Darbishire R. D., F.G.S. — On Pholas Burrows in the Limestone Hills, near 
Buxton, p. 7. Notes on some Superficial Deposits at Great Orme’s 
Head, and the Period of its Elevation, p. 12. 
Darling- W. H. — Researches on Di-Methyl, p. 173. 
Dyer J. C., Y.P. — Brief Notes on the Laws of Physical Force, p. 108. Brief 
Notes on the Mutations of Imponderable Elements, p. 165. Brief 
Notes on Latent Heat, p. 198. 
Hart Peter. — Note on the Occurrence of Sulphocyanide of Ammonium in 
Gas Mains, p. 9. 
Hersohel Sir J. F. W., Bart., M.A., D.C.L., F.R.S. — On a Statement in 
Mr. Dyer’s Paper “ On the Mutations of -Imponderable Elements,” 
p. 193. 
Hurst H. A. — On Plants appearing in successive years on land prepared for 
Plantations in Cheshire, p. 62. 
Joule J. P., LL.D., F.R.S. , Y.P. — On a Thermometer unaffected by Radia- 
tion, p. 35. On a Method of determining the Absolute Horizontal In- 
tensity of the Earth’s Magnetism, p. 78. Note on the Resistance of 
Fluids, p. 223. 
Kirkman Rev. Thomas P., M.A., F.R.S.— Note on £C An Essay on the Reso- 
lution of Algebraic Equations, by the late Judge Hargreave, LL.D., 
F.R.S.,” p. 133. On the Solution of Algebraic Equations, p. 141. 
Note on the Correction of an Algebraic Solution, p. 221. 
Latham Arthur G. — On Silk -producing Worms from Natal, p. 24. 
Mackereth T., F.R.A.S., F.M.S. — A Comparison of Solar Radiation on the 
Grass, and at six feet from the ground, p. 50. Solar Radiation Obser- 
vations, made at Eccles, near Manchester, p. 79. Results of Rain- 
Gauge and Anemometer Observations made at Eccles, near Manchester, 
during the year 1867, p. 179. On Ozone and its probable connection 
with Solar Radiation, p. 213. 
Mitchell Captain. — On Ciliated Infusoria in Dew Drops on Leaves, p. 23. 
On the Structure of the Tongue of the House Fly, p. 24. 
Ogilvy Thomas. — On the Aurora Borealis as a Weather Prognostic, p. 118. 
Roscoe Professor H. E., F.R.S., Hon. Sec. — On the Properties of Yanadium, 
p. 107. 
Schmidt J. F. G. — On the Lunar Crater Linne, p. 107. 
Schunck E., F.R.S., P. — On some Constituents of Cotton Fibre, p. 91. 
Sidebotham J. — Note on the Ship Barnacle, p. 33. Notes on some of the 
Rarer Plants found near Llandudno, p. 83. Further Notes on Wood- 
feeding Coleoptera, p. 207. 
