iv Contents. 
FITZGERALD, GEORGE F., M.A., F.B.S., F.T.C.D. PAGE 
On the Quantity of Energy Transferred to the Ether by a Variable Current, . : 57 
[Published March, 1884.] 
GRUBB SIR HOWARD, M.E., F.R.S. 
On a New Form of Equatorial Telescope (Plate II.), . F : Q . : > a6t 
[Published March, 1884.] 
HULL, EDWARD, LL.D., F.R.S., F.G.S. 
On the Geological Age of the North Atlantic Ocean (Plates VII. and VIII.),. : . 805 
[ Published April, 1885.] 
LYDEKKER, R., B.A., F.G.8., F.Z.S. 
Catalogue of Vertebrate Fossils from the Siwaliks of India, in the Science and Art 
Museum, Dublin (Plate II.), : i : F ; ‘5 . ‘ ; 3 p69 
[Published July, 1884.] 
SHARP, DAVID, M.D., F.L.S. 
On New Zealand Coleoptera, with Descriptions of New Genera and Species (Plates XII. 
and XIII.), . c : . : : : : : : . o Gail 
[Published November, 1886.] 
See also Buacksurn, Rev. T. 
SOLLAS, W. J., M.A., LL.D., D.Sc. 
On the Origin of Freshwater Faunas : a Study in Evolution, 5 : . . ~. HO 
[ Published November, 1884. | 
STONEY, G. JOHNSTONE, M.A., D.Sc., F.R.S. 
On the Cause of Iridescence in Clouds, ; : 5 5 : : : 3 5 (HIT/ 
[Published May, 1887.] 
