I9r} 



MUL'lTI'nrCA'ITOX OP ELLIPTFC PLTXCTIOXS, 



Part Second. 



§ lo. 



To avoid ronfn.sion, we shall adopt onœ for all the followiii! 

 notation : 



Fi^lloAvinD- .T:ipnhi ill lii»j lûofn..,-»,. ,,r^ w...;*^^* 



E BEAT A. 



_2 T^2 



Pa ore lî)o, h' ne 10, for -^ read -^ . 

 „ , line II, for ^ read ^. 



194, lines 8 and 11,/^/" ^k' ànnu read — rp dn /m. 



t)iii 



rho 



U\-lr(^'~ '''^'^' 



hence 



(90) Ç!L+o,,"-'^„j;l+o^,j,..^-^o. 



'I" ak du dk 



()l)serve that the same ditlerentinl e(juation is satisfied l)v 'h, ^2:iiid H,. 



* JacoM's o-<:'saniuielto Werke, Bd. T, pp. 501, 511, and 512. 

 ** Ditto p. 259 



t Pitto p. 260, 



