Theorie der Sonnenfinsternisse, der Durchfjänjie etc. 205 



IX. 



(// — ^.) r " (/■— 1\) 9 = — (/>. - - 9fd . 

 (A — A.) 9 - (^ — ^i) 3 = (.9 A, - hg,) , 



(r- /■.) 3 - (Ä - - /'.) X = - (Ä/; "- /•/»,). 



X. 



(.<//«, — /'//, ) X + (A/-, -/•A,) 9 + (/>. — ^fi ) ü = 0. 



XI. 



1 (ff - .</.) (/^. ^/"i) - (/' " /'.) W. - f/'r) \ X 



+ \ (7/ A.) (<7Ä, Ä </,) - (/•- /•,) (/■</, .«r/\) 1 1; 



+ ! (r—/", ) W /•/'.) (.-7 —.«'0 (///'. hd ! 5 

 = — I (ff/, - ///■.)' + (fffh luhf + (/'/■. /■/'.)■-' ! • 



XII. 



(X-- /■) (!il,,—h(j,) + (9 // ) (///•, /•//,) + (r- // ) (/7/, ///V) = 0, 

 (:r /•,) (////, ^ A</,) + (9 r/,) (///•, /•//,) + (a ~ - //, ) (fh, />/\) ^ 0. 



XIII. 



(x—n\(ff- <h) u'fh — fff\ ) - (/' - 'h) (/if\ flu) \ I 

 + (i^/o Kr /■,) (/'/; "/■//,)-(</—«/,) (g/h—hgoi 



(X - 1\ )\(ff- fh) (l)h - ff1\) - (/' - Ä.) (/'/•. - Z"'^.) I 



+ (9 — ^i) 1 (Ä — /'■) (///', - i>ffd - (f — /•,) (/>/. ' .<//■-) n = 0. 



+ (3 - /'i) ! (/ /■.) (/'/". /■/'.) - (g - //i) C^/'i - - hffi) \ ) 



XIV. 



(/■-/V) (>•-/•) + (</-r/.) 0; ~^) + (/'-/'.) (i^/') = — ,-^_ ^% 

 (/■-/"i) ():-ri) + (ff- ad (r-ffd + (A-Ä.) /'.) = - ^ A"- 



