PROCEEDINGS 



ROYAL IRISH ACADEMY. 



SCIENCE. 



Vol. III., Ser. ii.] JULT, 1879. [No. 3. 



CONTENTS. 



PAGE 



XXX Comptitation of Tides at Fleetwood. — Discussion of Correspond- 

 ing Phenomena in different Years, &c. By Jaiies Peaeson, 

 M.A., Ex- Scholar (15tli Wrangler), Triiiity CoUege, Cam- 

 bridge, 179 



XXXI.- — Computation of Occultations and Eclipses. By James Peaeson, 

 M.A., F.R.A.S., late Scholar of Trinity College, Cambridge, 

 Yicar of Fleetwood, • . 183 



XXXII. — On the Supernumerary Rings of the Rainbow. By.^PHiliP 



BlIETON, 186 



XXXIII. — Sea-beaches, especially those of Wexford and Wicklow. By 



G. H. Kinahan. (With Plates 4, 5, 6, & 7), 191 



XXXIV. — Researches on the Parallax of 61 (A) Cygni, made at Dunsink. 

 By RoBEB-T S. Baxl, LL.D., F.R.S., Andrews Professor of 

 Astronomy in the University of Dublin, and Royal Astro- 

 nomer of Ireland, 209 



XXXV. — Note on the Application of Lagrange's Equations of Motion to 

 . Problems in the Dynamics of a Rigid Body. By Robeet S. 

 Ball, LL.D., F.R.tt., Andrews Professor of Astronomy in the 

 University of Dublin, and Royal Astronomer of Ireland, . . 213 



XXXVI. — Observations in Search of Stars with a Large Annual Parallax. 

 By RoBEET S. Ball, LL.D., F.R.S., Royal Astronomer of 

 Ireland, 215 



\_For continuation of Contents see last page of Cover.'] 



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