PUBLICATIONS OF THE ROYAI, DUBLIN SOCIETY. 
TRANSACTIONS : Quarto, in parts, stitched. 
Vol. I. (new series). 
Part 1.—On Great Telescopes of the Future. By Howarp Gruss, 
F.R.A.S. (November, 1877.) 
Part 2.—On the Penetration of Heat across Layers of Gas. By 
G. J. Sronny, M.A., F.R.S. (November, 1877.) 
Part 3.—On the Satellites of Mars. By Wentworta ERrck, 
LL.D. (May, 1878.) 
Part 4.-On the Mechanical Theory of Crookes’s, or Polarization 
Stress in Gases. By G. J. Sronzy, 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 Ireland. By 
E. Hout, M.A., F.R.S. Section II.—On the Chemical Composition 
of Chert, and on the Chemistry of the Process by which it is formed. 
By E. Harpman, F.C.8. With Plate 3. (November, 1878). 
Part 8.—On a Superficial Tension of Fluids and its Possible Re- 
lation to Muscular Contractions. By G. F.- Firzceraup, M.A., 
F.L.C.D. (December, 1878.) 
Part 9.—Places of One Thousand Stars observed at the Armagh 
Observatory. By the Rev. Dr. Romney Ropiyson. (February, 1879.) 
Part 10.—On the Possibility of Originating Wave Disturbances in 
the Ether by means of Electric Forces. By G. F. Fivzerrarp, M.A., 
E.T.C.D. (January, 1880.) 
Vol. II. (new series). 
Part 1.—Observations of Nebule 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. Nos.1 and 2. By the Right Hon. 
the Earl of Rossz, D.C.L. With Plates I. to TV. (August, 1879.) 
PROCEEDINGS : 8vo., in parts, stitched. 
Vol. I. (new series). (1877-78). 
Vol. II. (new series.) 
Part 1.—Page 1 to 120. (October, 1878.) 
Part 2.—Pages 121 to 178. (May, 1879.) 
Part 3.—Pages 179 to 242. (July, 1879.) 
Part 4.—Pages 243 to 288. (January, 1880.) 
