vv •'^':" 



June, igo^ ^-4w.-..-* .^- - 1» 



PROCEEDINGS 



OF THE 



ROYAL IRISH ACADEMY 



Volume XXVII, Section A, No. 12 

 MATTHEW J. CONRAN 



SOME THEOREMS ON THE TWISTED 



CUBIC 



DUBLIN 



HODGES, FIGGIS, & CO., Ltd. 



LONDON : WILLIAMS & NORGATE 



1909 



Price Sixpence 



