BLINDNESS AND THE BLIND.

BLINDNESS AND THE BLIND:

OR,

A TREATISE ON THE

SCIENCE OF TYPHLOLOGY.

BY

W. HANKS LEVY, F.R.G.S.,

41

DIRECTOR OF THE ASSOCIATION FOR PROMOTING THE GENERAL WELFARE
OF THE BLIND.

LONDON:

CHAPMAN AND HALL, 193, PICCADILLY, W.
1872.

Bj g

•I57

Respectfully Dedicated,

BY PERMISSION,

TO

MISS GILBERT,

DAUGHTER OF THE LATE RIGHT REVEREND
THE LORD BISHOP OF CHICHESTER.