[July, 1891.] 



THE 



SCIENTIFIC TRANSACTIONS 



OF THE 



ROYAL DUBLIN SOCIETY, 



VOLUME IV. (SERIES II.) 



IX. 



LUNAE EADIANT HEAT, MEASURED AT BIRR CASTLE OBSERVATORY, 

 DURING THE TOTAL ECLIPSE OF JANUARY 28, 1888. By OTTO 

 BOEDDICKER, Ph.D. With an Introduction by The Earl of Rosse, k.p., ll.d., f.r.s., 

 &o., President of the Royal Dublin Society. Plates LIII. to LV. 



DUBLIN: 



PUBLISHED BY THE ROYAL DUBLIN SOCIETY. 



LONDON: WILLIAMS AND NORGATE. 



FEINTED AT THE UNIVERSITY PRESS, BY PONSONBY AND WELDRICK, 



PRIMTEES TO THE SOCIEIX. 



1891. 



