ERRATA. 



P.lgc 



.321, last line, for 9 + read + 



323, line 17, for + 9 read + 9 a, 



330, line 11,^0)' pend read depend 



336, equations (121.) for a read !■ 



.342, line 18, for For read For if 



347, 6tli line from foot, jor thorenis read tlicorenis 



360, last line but 2, Jor denote read denote by 



383, last line, for B read f 



384, line 7, for read — 



387, equation (340.) for 1 + ;« read 1 + < «/ 

 301, before (358.) ybr formula fcorf formuUe 

 391, before (362.) yor formula read foimula,- 

 391, last line, _/b7- one read one set 



394, line 10, /or A, to Bj read A i to 15, 



395, before (4.) for denote read denote it 



399, in (21.) for (a, B; , oi a, ) read (oi a, , a, "^ ) 



399,i„(23.)/<,.(^, ^)W(11.^) 



400, line 6, for (ci 83 , oi 8) ) rearf (oi ", ,01",) 



400, last but 3, for retain read retain them 



401, before (37.) for (a, , 0) read (a\ , 02 ) 

 401, 2d formula (39.) for b, read \ 



401, in (42.) for /8, read ji^ c 



402, end of (44.) for a^ read a 2^ 

 402, in (48.) for ^- read /Sa 

 404, in (62.) for a- read a^ 



404, in (GS.) for oi^ +0^ read at'' + a,' 



405, after (69.) for formula read formulee 

 407, in (78.) for (o"i , a'j ) read (a", , a".. ) 

 407, in (79.) for a^ a'2 read ai a\ 



407, in (83.) for a,^ ~a"- read a, 2 _ anj 



408, in (90.) for (02 , a^ )"'-i read (a, , 03 )"«-' 



410, in(104.)yo7- wxl read n+l 



410, in (107.) ybr mxl read m + 1 



I 

 417, in (151.) ybr (61 , 62 ) ^c<^ (*i > ^2 )"< 



w' u' 



421, in (182.) for (2 <u' ir. 0) read (2 a.' tt, 0) 



