(¢ SF.) 
24.—On the Possibility of Originating Wave Disturbances in the Ether by 
Means of Electric Forces—Corrections and Additions. By George 
Francis Fitz Gerald, m.a., ¥.1.c.D. (January, 1883.) 
25.—On the Fossil Fishes of the Carboniferous Limestone Series of Great 
Britain. By J. W. Davis. Plates XLII. to LXV. (September, 
1883.) [With Title-page to Volume. | 
CONTENTS OF VOLUME II. (New Sznrss). 
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 
the year 1878. Nos. 1 and 2. By the Right Hon. the Earl of 
Rosse, LL.D., D.c.L., F.R.S. Plates I. toTV. (August, 1879.) No. 3. 
Plates V. and VI. (June, 1880.) 
2.—On Aquatic Carnivorous Coleoptera or Dytiscide. By Dr. Sharp. 
Plates VII. to XVIII. (April, 1882.) [With Title-page to Volume. | 
CONTENTS OF VOLUME III. (New Sezntss), 
PART. 
1.—On the Influence of Magnetism on the rate of a Chronometer. By 
Otto Boeddicker, po.p. Plate I. (October, 1883.) 
2.—On the Quantity of Energy transferred to the Ether by a Variable 
Current. By George F. Fitz Gerald, u.a., F.z.s. (March, 1884.) 
3.—On a New Form of Equatorial Telescope. By Howard Grubb, m.z., 
F.R.S. Plate II. (March, 1884.) 
4.—Catalogue of Vertebrate Fossils, from the Siwaliks of India, in the 
Science and Art Museum, Dublin. By R. Lydekker, F.a@.s., ¥.z.s. 
Plate III., and Woodcuts. (July, 1884.) 
5.—On the origin of Freshwater Faunas: A study in Evolution. By W. 
J. Sollas, m.a., Dublin; p.sc., Cambridge. (November, 1884.) 
‘6.—Memoirs on the Coleoptera of the Hawaiian Islands. By the Rev. T. 
Blackburn, 8.a., and Dr. D. Sharp. Plates IV., V. (February, 1885.) 
7.— Notes on the Aspect of the Planet Mars in 1884. Accompanied by 
Sketches made at the Observatory, Birr Castle. By Otto Boeddicker, 
PH.D. Plate VI. [Communicated by the Earl of Rosse. ] (March, 1885.) 
$.—On the Geological Age of the North Atlantic Ocean. By Edward Hull, 
LL.D., F.R.S., F.G.8., Director of the Geological Survey of Ireland. 
Plates VII. and VIII. (April, 1885.) 
