THE 



TRANSACTIONS 



ROYAL IRISH ACADEMY 



VOLUME XXII. 



PART V.-SCIENCE. 



DUBLIN: 

 PRINTED BY M. H. GILL, 



PRINTER TO THE ROYAL IRISH ACADEMT. 



SOLD BY HODGES AND SMITH, DUBLIN, 



AND BY T. AMD W. BOOXE, LONDON 

 MDCCCLV. 



