15 OCTOBER 1892, page 14

The Practice Of Observing.

I T would puzzle most of us, we fancy, to give an accurate account of the sources whence we have derived our knowledge ; to say, with any degree of certainty : " This we have......

Letters To The Editor.

AN OPIUM EXPERIENCE. [To THE EDITOR OF THE " SPECTATOR.1 SIR,—When working for my graduate's degree in medicine, at Aberdeen, in 1868, I contracted the habit of taking opium. I......