Mr. Jarrett on Algebraic Notation. 89 



t+r+l 



m 



Where ^(+r+i =\>n .|w(r + l) 



'■+1 



t+r+l 



r+ 1 



.i^.i.S^ln(r+l-s).lr.(^:^f -i L- 



"^+1 In 



11, 



m 



: |m — I- .Im (r+ 1) 



I Uj I 2 i 



'■+1| 



r+l 



m 



1- . - . S', \n{ri-\-s ) .\r. ^-r— ^ . 



I L_ '+r+l s— 1 I— r-tl— « 



r+l n 



\m — 



t+r+l 



-.In (r + l) 



r+l 



<+r+l 



r+-l 



-.-i-S^>(r + l-s).HLL-^^'- ^ 



l^Lll+i Wf+i . l£ ^_7TTr 



+ 1 -s 



W+T l^t+i y^i br- ^ilL ^.rr 



r+2 "'" 



^ n- 



2-« 



and a-^l+^.-'j^.L.^+S.^^^ 



(+r+l L^ r+i (+H^ 



r+2 ^ 



(+r+l 



Fo/. III. Part I. M 



+ 2-s).lr+l. ^ \ ■- 

 — L_; — s - 1 TW 



-r+2-s\ 



