CONTENTS—continued. 
XxXUI. Geological Notes on the Structure of Middle and North Dev on- 
shire, m made during a Walking Tour in Devonshire in the 
Summer of 1878. By tev. Dr. Havanroy, ¥,T.C.Dy,,ER.S:,, aot 
XXIV. On the Articulation of the Human Voice, as Tinstrated by the 
_ Logograph. By W. H. Barrow, F.R.S., V.P., Institute of 
Civil Engineers, . 153 
XXV. On Hy Brasil, a Traditional Teland off the West Coast of ive! 
land, Plotted in a MS. Map, written by Sieur Tassin, Geo- 
erapher Royal to Louis XIII. By W. Frazer, F.R.C.S.1. 
Page 
With Plate’9, . 173 
XXVI. On M. Duter’s Bapemental< on Ele ctric Aceumul ators, By 
Gzorce FI. Firrzerraxp, M.A., F.T.C.D., en 
Minutes of Proceedings from November 18, 1878, to March 17, 1879. 
PUBLICATIONS OF THE ROYAL 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. Sronry, M.A., F.R.S. (November, 1877.) 
Part 3. On the Satellites of Mars. By Wentwortsa Ercx, 
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. Frozcrratp, 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. 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. Huut, M.A., F.R.S. With Plate 3. Section IJ.—On the 
Chemical Composition of Chert, and on the Chemistry of the Process 
by which it is formed. By E. Harpman, F.C.S. (November,1878). 
Part 8.—On a Superficial Tension of "Fluids and its Possible Re- 
lation to Muscular Contractions. By G. F. Firzceraup, M.A., 
E.T.0.D.. (December, 1878.) . 
Part 9.—Places of One Thousand Stars observed at the Armagh 
Observatory. By the Rev. Dr. Romney Rosinson. (February, 1879.) 
PROCEEDINGS : 8wo., en parts, stitched. 
Vol. I. (new series). Vol. IT. (mew series.) 
Part 1.—Pages 1 to 120. (October, 1878.) 
Part 2.—Pages 121 to 178. (May, 1879.) 
