Yll 
Knott G-eorge, F.B.A.S. — Results of a Comparison of tlie Magnitudes of 
the Bedford Catalogue with those of Sir John Herschel, p. 13. Note 
on the Combined Magnitude of two Stars in Close Proximity, p. 15. 
On the Light-curve of R Vulpeeulse and its Maxima and Minima for 
1866, p. 101. 
Latham Arthur G\ — On Foraminifera from Dogs Bay, Roundstone, and 
from Berwick Bay, pp. 85, 191. 
Linton James. — On a Sample of Sand from Dogs Bay, Connemara, skimmed 
from the Surface of the Sea, by Mr. Glover in July, 1866, p. 184. 
Lynde James G-., F.G-.S., F.R.M.S. — Some Further Observations on the 
Cause of Rotation in the Cells of Vallisneria, p. 192. 
Mackereth T., F.R.A.S., F.M.S. — Results of Rain G-auge, Anemometer, and 
Ozone Observations, made at Eccles, near Manchester, during the 
year 1866, p. 94. Observations of the Eclipse of the Sun, March 6, 
1867, p. 126. 
Nasmyth James, C.E. — On Casting, Grinding, and Polishing Specula for 
Reflecting Telescopes, Part II., p. 82 ; Part III., p. 113 ; Part IV., 
p. 162. 
Ransome A., M.B., M.A. Cantab. — On some of the Conditions of Molecular 
Action, p. 121. 
Roscoe Prof. H. E., F.R.S., Hon. Sec. — On the Isomorphism of Thallium- 
perchlorate with Potassium and Ammonium-perchlorates, p. 9. 
Schonfeld Dr. E. — Results of Observations of Variable Stars, made at the 
Mannheim Observatory, during the year 1866, p. 72. 
Sidebotham J. — Notes on Wood-Feeding Coleoptera, p. 52. On Mr. 
Nasmyth’s Suggestion of the Use of Chilled Cast Iron for Projectiles, 
p. 81. On the Reversed Action of Light in Photography, p. 114. On 
Coal Ash from Furnace Flues, p. 183. 
Smith R. Angus, F.R.S., V.P. — On the Absorption of G-ases by Charcoal, 
p. 195. 
Spence Peter, F.S.A., F.C.S. — On the Manufacture of Sulphide of Ammo- 
nium, p. 18. 
Thomson Sir William, M.A., D.C.L., F.R.S. — On a New Form of the 
Dynamic Method for Measuring the Magnetic Dip, p. 157. 
Thorpe T. E. — On the amount of Carbonic Acid contained in Sea Air, p. 59. 
On the amount of Carbonic Acid contained in the Atmosphere of 
Tropical Brazils during the Rainy Season, p. 65. 
