304 



Scientific Proceedings, Royal Dublin Society. 



p^ 



Pm 



m 



Pd 



Ph 



P4 ■ 

 o 



P4 . 



fM 



O 



W 





Ph 00 

 o O 



'3 



•;x[9dg 



•9di|i 



•adiij 



•edi-g; f 



•sapH 





•saqoni 



■jaqnin^ 





Of ^0 CH- 

 .-I r-H CO 





w 



p^ 



^ ba 



H 



m 





W 



W 



a w 



•uAop sjcnojj 



•nioi^oq 

 JO 8J[n;i3^ 



^ 9. 



•STnoq^Bj 

 ui q:)d8(j 





.a a^.io 





