September^ rgig 



PROCEEDINGS 



ROYAL IRISH ACADEMY 



Volume XXX\^SEc^lON B, No. 3 

 NATHANIEL COLGAN 



ON THE OCCURRENCE OF TROPICAL 

 DRIFT SEEDS ON THE IRISH ATLANTIC 

 COASTS 



DUBLIN 



HODGES, FIGGIS, & CO., Lin. 



LONDON: WILLIAMS & NORGATK 



I9I9 



Price One Shi /ling 



