Through a pocket lens

PTYCHOPTERA PALUDOSALIMNOBIA REPLICATA
From enlarged photographs, made at the Yorkshire College, Leeds, from specimens bred by the Author, and mounted by Messrs. Watson & Son, High Holborn, London
HENRY SCHERREN, F.Z.S.
AUTHOR OF ‘PONDS AND ROCK POOLS,’ ‘A POPULAR HISTORY OF ANIMALS,’ ETC.
WITH NINETY ILLUSTRATIONS
THE RELIGIOUS TRACT SOCIETY
56 PATERNOSTER ROW AND 65 ST. PAUL’S CHURCHYARD
1897
Oxford
HORACE HART, PRINTER TO THE UNIVERSITY
THROUGH A POCKET LENS
The object of this little book is to show how much may be seen with an ordinary pocket lens, and with a simple microscope; and, as far as possible, to dispel the idea, far too common, especially among beginners, that no real work can be done unless one has a compound microscope, with a large battery of lenses and an array of ‘accessories.’