Corrections to a paper, “Coaxal Circles and Conics,’ by Wm. Finlayson, in Vol. XXV. of Proceedings

Extract

Page 52, par. 9, line 2.

“FP′F₁P” should read “FP′f₁P.”

Page 53, par. 14, line 11, insert after the word parabola

“indicated in Fig. 16 by RR₁R′R′₁ which also show that the parabola is the upper limit of the ellipse or lower limit of the hyperbola”

also for the word “and” substitute “then” in same line.

Page 54, par. 16, line 8, for “f₁S₂f₂” read “f₁xf₂” and in line 9, for “f₂Sf₄” read “f₂S₂f₄.”

Page 55, par 19, line 3, for “f₁f₂” read “f₁f₄,” and in line 4. for

“ca′₁c₁ and in line 5, for “xa₁Q₁C₁” read “xa₁Q₁c”

in par. 20, same page, line 2, for “xS bisects P′S₁Q′” read “xS₁, bisects angle P′S₁Q′”

same par., line 8, for “direction” read “directrix.”

Page 56, par. 24, line 1, for “CY and C₁Y” read “cy and c₁y,” and in line 3, for “YF” read ”yF,” par. 25, line 5, for “ScSx” read “SCSX,” and line 6, for “Sx” read “Sk,” and for “circle” read “radius.”