ERRATA. 



2 



9 



12 



13 

 14 



15 



16 



17 



20 



2 for 5»„ read S„"+' . 



4 /or (.i:-l)'.5,»5/-i...*^ ^,_-».l read (x-l)' . S^"S/-K .. S^. 



M. 



2 /or (x-iy+'.S^".* '-'...* V,-' J',-' read (a:_l)'+i . 5 "5/-' . .. .S/,_-ij'-,-» . 



6 ./or (Art. 19.) read (Art. 11.) 



11 for =S "-S \ XT'- . S ■-,+'-% read = S/ S^ -, x-'j-' . S ',+'-', . 1 (Art. 17.)- 



12 cflwcei (Art. 16.). 



Ifi /or = Sjx',-^ \r+t-l-ri .,-^- read = S^'xT^lr+t-l-tj.,-^- . 



3 /or |< + t — .> read |f— 1 +^ - 



( t 



7 /or Ir read [r_ . 



>— i «— I 



10 for ^ >. ■ read ^ ' 



s-l 



\s-l 



5 for — « I r\ m read —n ( r j [m . 



2 /or (l-l)--*' read (1-1)'-". 

 last line, for , - read ,~ . 



. 5 /or 1:^ read tl^ . 

 •' s-l is-1 



Q n 



21 last line, for / 3 \ read / 3 \ . 



C 1-0 ( =-) 



24 1. 8 /or -r^^^ read 



r + 1 



26 last line but 1, for (Art. 1.5.), read (Art. I6.). 



28 1. 15 for m =: 1 read n = 1. 



29 last line but 1, for 12'" read 2»'» . 



