; Y. AcA 



September, 1903 



PROCEEDINGS 



OF THB 



ROYAL IRISH ACADEMY 



VOLUME XXIV., SECTION B 



BIOLOGICAL, GEOLOGICAL, AND CHEMICAL 



SCIENCE ' 



PART 4 



DUBLIN 



PUBLISHED AT THE ACADEMY HOUSE, 19, DAWSON STREET 



SOLD ALSO 



By HODGES, FIGGIS, & CO. (Ltd.), GRAFTON-ST. 



By WILLIAMS & NORGATE 



London : 14, Henrietta-strket, Coyent Garden 



Edinburgh : 20, South Frederick-st. Oxford : 7, Broad-st. 



1903 

 Price — Is. 6r/. 



