PROCEEDINGS 



HOYAL IRISH ACADEMY 



VOLUME XXIV 



SECTION A-MATHEMATICAL, ASTEONOMICAL, 

 AND PHYSICAL SCIENCE 



DUBLIN 



PUBLISHED AT THE ACADEMY HOUSE, 19, .DAWSON STREET 



SOLD ALSO BY 



HODGES, FIGGIS, & CO., Limited, 104, GRAFTON STREET 

 And by WILLIAMS & NORGATE, LONDON, EDINBURGH, AND OXFORD 



1902-1904 



