PROCEEDINaS 



OF THE 



ROYAL IRISH ACADEMY. 



SOIE isrcE 



Ser. II., Vol. IV.] JANUARY, 1885. [No. 3. 



CONTENTS. 



PAGE 



XY. Notes on the Plants of some of the Mountain Ranges of Ireland. 



By Henet Chichester Haet, B. A., .211 



XVI. Notes on the Kinematics and Dynamics of a Eigid System in Ellip- 

 tic Space. By Robert S. Ball, ll.d., f.e.s., .... 252 



XVII. Trigonometrical Notes. By A. H. Anglin, m.a., f.k.s.e., &c., . 259 



XVIII. A Catalogue of Suspected Variable Stars. By J. E. GtOee, m.e.i.a., 

 E.E.A.S., Honorary Member of the Liverpool Astronomical Society. 

 (Plate II.), 267 



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