( 238 ) 



K K li A T LI M. 



p. 88 1. »i tVoin tlie top tbr cases, read phases. 



,, 89 „ 10 — 11 ,, ,, bottom ,, we substitute the 2'"' nieiiiber 



of (c) for the 1-^ member in (29), 

 i-ead ue substitute iu (29) the 2""^' member etc. 



,, 92 ,, 14 from tlie bottom for — 03, read — 0,3. 



„ 99 „ 3 „ „ top 



for — or as Lb — — A, + //A,, A = /<A., — (1—,:?) Lb — 

 read — or A, ■==. nb., — (1 — t^?) Lb, as Lb = — '''i + *i^>. • 



,, 99 ,, (> from the bottom foi' in which therefore, read in which. 



,, 99 ., 5 ,, ,, ,, ,. 1 — />'=:1 is i)nt, read 1 — //is})ut=l. 



,, 99 ,, 3 ,, ,, ,, ,, also at 7', i-ead also near '][■ . 



(August 28, 1911). 



