PROCEEDINGS 



ROYAL IRISH ACADEMY 



VOLUME XXIV 



SECTION B-BIOLOGICAL, GEOLOGICAL, AND 

 CHEMICAL SCIENCE 



DUBLIN 



PUBLISHED AT THE ACADEMY HOUSE, 19, IDAWSON STREET 



SOLD ALSO BY 



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

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



1902-19041 



