PUBLICATIONS OF THE ROYAL DUBLIN SOCIBTY, 
TRANSACTIONS: Quarto, in parts, stitched. 
Vol. I. (new series). 
Part 1.—On Great ee of the Future. By Howarp Gruss, 
F.R.A.S. (November, 1877.) 
ae .—On the Penetration of Heat across Layers of Gas. By 
. J. Stoney, M.A., F.R.S. (November, 1877.) 
| eS 3.—On the Satellites of Mars. By WentwortH Erck, 
LL.D. (May, 1878.) 
Part 4.—On the Mechanical Theory of Crookes’s, or Polarization 
Stress in Gases. By G. J. Sronny, M.A., F.R.S. (October, 1878.) . 
Part 5.—On the Mechanical Theory of Crookes’s Force. By G. 
F. Firzceraup, M.A., F.T.C.D. (October, 1878.) 
Part 6.—Notes on the Physical Appearance of the Planet Mars. 
By J. L. E. Dreyer, M.A. With Plates 1 and 2. (October, 1878.) 
Part 7.—Section 1—On the Nature and Origin of the Beds of 
Chert in the Upper Carboniferous Limestone of Iveland. By 
E. Huu, M.A., F.R.S. Section IT.—On the Chemical Composition 
' of Chert, and on the Chemistry of the Process by which it is formed. 
By E. Harpmay, F.C.S. With Plate 3. (November, 1878). 
~ Part 8.--On a Superficial Tension of Fluids and its Possible Re- 
lation to Muscular Contractions. By G. F. Firzcrraup, M.A., 
F.T.C.D. (December, 1878.) 
Part 9.—Places of One Thousand Stars observed at the Armagh 
Observatory. By the Rev. Dr. Romney Ropiyson. (February, 1879.) 
Vol. IT. (new series). (In the press). 
Part 1.—Observations of Nebulz and Clusters of Stars made with 
the Six-foot and Three-foot Reflectors at Birr Castle, from the year 
1848 up to about the year 1878. By the Right Hon. the Earl of 
Rosse, D.C.L:, F.R.S. With Plates I. to IV. 
PROCEEDINGS: 8vo., in paris, stitched. 
Vol. I. (new series). (1877-78). 
Vol. II. (new series.) 
Part 1.—Pages 1 to 120. (October, 1878.) 
Part 2.—Pages 121 to 178. (May, 1879.) 
Part 3.—Pages 179 to 241. (July, 1879.) 6 
