8 DECEMBER 1906, page 11

Aids To Vision.

H ELMHOLTZ was fond of saying, in proof of the imper- fections of the human eye, that he would unhesitatingly reject any piece of work sent to him by an instrument-maker which......

The Pheasant Of The Future.

T HE pheasant has been so long the principal person in our coverts that it does not seem "quite nice," it hardly even seems "quite right," to interfere with him in any way. It......