TRANSACTIONS (NEW SERIES) VOLUME I. 
(Already Published.) 
PART. 
1.—On Great Telescopes of the Future. By Howarp Gruss, F.R.A.S. (November, 1877.) 
2,—On the Penetration of Heat across Layers of Gas. By G. J. Stonry, M.A., F.R.S. (November, 
1877.) 
3,—On the Satellites of Mars. By Wentworth Ercxr, LL.D.~ (May, 1878.) 
4,—On the Mechanical Theory of Crookes’s, or Polarization Stress in Gases. By G. J. STONEY, 
M.A., F.R.S. (October, 1878.) . 
5.—On the Mechanical Theory of Crookes’s Force. By Gurorcr Francis FirzcErRALD, M.A., 
E.T.C.D. (October, 1878.) 
6.—Notes on the Physical Appearance of the Planet Mars, as seen with the Three-foot Reflector at 
Parsonstown, during the Opposition of 1877. By Jonn L. EH. Dreyrr,M.A, With Plates I. 
and II. (November, 1878.) 
7.—On the Nature and Origin of the Beds of Chert in the Upper Carboniferous Limestone of Ireland. 
By Professor EpwARD HULL, M.A., F.R.S., Director of the Geological Survey of Ireland. And 
on the Chemical Composition of Chert and the Chemistry of the Process by which it is 
formed. By Epwarp T, HARDMAN, F.c.s. With Plate III. (November, 1878.) 
8—On the Superficial Tension of Fluids and its Possible Relation to Muscular Contractions. 
By G, F. FItzGERALD, M.A., F.1.c.D. (December, 1878.) 
