[July, 1891.] 



THE 



SCIENTIFIC TRANSACTIONS 



or THE 



ROYAI. DUBLIN SOCIETY. 



VOLUME IV. (SERIES II.) 



IX. 



LUNAE RADIANT 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., 

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



DUBLIN: 



PUBLISHED BY THE ROYAL DUBLIN SOCIETY. 



LONDON: WILLIAMS AND NORGATE. 



PEINTED AT THE UNIVERSITY PEESS, BY PONSONBY AND WELDRICE, 



PETNTEES TO THE SOCIETY. 



1891. 



Price Two Shillings. 



