( 3 ) 

 CONTENTS OF VOLUME II. (New Series). 



'ART. 



1 . — Observations of Nebulae and Clusters of Stars, made witb 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, l.l.d., d.c.l., f.r.s. Plates I. to IV. (August, 1879.) No. 3. 

 Plates V. and VI. (June, 1880.) 



2. — On Aquatic Carnivorous Coleoptera or Dytiscidse. By Dr. Sharp. 

 Plates VII. to XVIII. (April, 1882.) [ With Title-page to Volume.'] 



CONTENTS OF VOLUME III. (New Series). 



PART. 



1 . — On the Influence of Magnetism on the rate of a Chronometer. By 



Otto Boeddicker, ph.d. Plate I. (October, 1883.) 

 2. — On the Quantity of Energy transferred to the Ether by a Variable 



Current. By George F. Fitz Gerald, m. a., f.r.s. (March, 1884.) 

 3. — On a New Form of Equatorial Telescope. By Howard Grubb, m.e., 



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.g.s., f.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; D.Sc, Cambridge. (November, 1884.) 

 6. — Memoirs on the Coleoptera of the Hawaiian Islands. By the Rev. T. 



Blackburn, b.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 bythe Earl of Rosse.] (March, 1885.) 

 8. — On the Geological Age of the North Atlantic Ocean. By Edward Hull, 



ll.d., f.r.s., f.g.s. , Director of the Geological Survey of Ireland. 



Plates VII. and VIII. (April, 1885.) 

 9. — On the Changes of the Radiation of Heat from the Moon during the 



Total Eclipse of 1884, October 4th, as measured at the Observatory, 



Birr Castle. By Otto Boeddicker, ph.d. Plates IX. and X. 



[Communicated, with a Note, by the Earl of Rosse.] (October, 1885.) 

 10. — On the Collection of the Fossil Mammalia of Ireland in the Science 



and Art Museum, Dublin. By V. Ball, m.a., f.r.s., f.g.s., Director 



of the Museum. Plate XL (November, 1885.) 

 11. — On New Zealand Coleoptera. "With Decriptions of New Genera and 



Species. By David Sharp, m.b. Plates XII., XIII. (November, 1886.) 

 12. — The Fossil Fishes of the Chalk of Mount Lebanon, in Syria. By James 



W. Davis, f.g.s., f.l.s. Plates XIV. to XXXVIII. (April, 1887.) 

 13. — On the Cause of Iridescence in Clouds. By G. Johnstone Stoney, m.a., 



d.sc, f.r.s., a Vice-President, R.D.S. (May, 1887.) 

 14. — The Echinoderm Fauna of the Island of Ceylon. By F. Jeffrey Bell, 



m.a., Sec. r.m.s., Px-ofessor of Comparative Anatomy and Zoology in 



King's College, London ; Cor. Mem. Linn. Soc, N.S. Wales. Plates 



XXXIX. and XL. (December, 1887.) {With Title-page and Con- 

 tents to Volume III., also cancel page to Part 13.] 



