THE 
ShIENTIFIC PROCEEDINGS 
OF THE 
ROYAL DUBLIN SOCIETY. 
Vox. II. (New Series). OCTOBER, 1878. — Part I. 
CONTENTS. 
a Page 
I. On the Transmission of Power to a distance. By ALEXANDER 
M‘Donnett, M.A., M.I.C.E., x : 1 
II. Anniversary Address to the Royal Gstanal Society af gh 
Ireland. By the Rev. Maxwert Cross, M. A, ; 5 
III. On the Tridymite-Quartz-Trachyte of Tardree Wasi ah on 
the Olivine-Gabbro of the Carlingford Mountains. By A. von 
Lasavrx, Professor of Mineralogy in the University of Breslau. 
(With woodcuts.) : : : 5 : : : : 25 
IV. Notes on Arctic Air. By Staff-Surgeon Epwarp L. Moss, : 34 
V. Some remarks on Inter-Glacial Epochs in reference to Fauna and 
Flora, existing at the present day in the Northern Hemisphere, 
between the parallels of 81° and 83° N. By H. W. Fieve, 
F.G.S., 42 
VI. On the recent ond Seite Trish Me ue hale Ney K Tas paren 
F.R.S., Professor of Geology in the Royal College of Science, 
Ireland. (With Plates 1 to 5 and woodcuts.) ; 45, 
VII. On an experiment connecting Electro-Motive Force and Surface 
Tension. By W. F. Barrevr, F.R.S.E. (With woodcuts, ) 87 
VII. On the Radiating Powers of Shell-lac Films of various thickness. 
By E. G. Hutt, 3 90: 
[or continuation sa Contents see last page uh Cover. 
The Authors alone are responsible for all opinions expressed in their communications. 
DUBLIN: 
PUBLISHED BY THE ROYAL DUBLIN SOCIETY. 
PRINTED BY ALEXANDER THOM, 87 & 88, ABBEY-STREET, 
PRINTER TO THE QUEEN’S MOST EXCELLENT MAJ 
FOR HER MAJESTY’S STATIONER ¥a@FF Eaynsonian Insti tug 
i) 
—y 
pees OCT 4 191] 
—Yonal Musev™ 
