I remark that when I write the initial of a Christian name, the most usual name of that initial is understood. I never saw the name of W. G. Horner written at length, until I applied to a relative of his, who told me that he was, as I supposed, Wm. George, but that he was named after a relative of that surname.

The square root of 2, to 110 decimal places, was given

me in 1852 by my pupil, Mr. William Henry Colvill, now (1867) Civil Surgeon at Baghdad. It was

1.4142135623730950488016887242096980785696

7187537694807317667973799073247846210703

885038753432764157273501384623

Mr. James Steel[[146]] of Birkenhead verified this by actual multiplication, and produced

2 -2580413

10117

as the square.

Calcolo decidozzinale del Barone Silvio Ferrari. Turin, 1854, 4to.