May, igog l^t 



PROCEEDINGS 



OF THE 



ROYAL IRISH ACADEMY 



Volume XXVII, Section C, No. 14 

 W. F. DE VISMES KANE 



THE BLACK PIG'S DYKE: THE ANCIENT 

 BOUNDARY FORTIFICATION OF ULADH 



DUBLIN 



HODGES, FIGGIS, & CO., Ltd. 



LONDON : WILLIAMS & NORGATE 



1909 



Price One Shilling 



