No. II. Of JOHN RUSSELL SMITH'S OLD BOOK CIRCULAR is published this Day; containing 1200 Choice, Useful, and Curious Books at very moderate prices. It may be had Gratis on application, or sent by Post on Receipt of a postage label to frank it.
J. R. SMITH, 36. Soho Square, London.
Just published, with ten coloured Engravings, price 5s.,
NOTES ON AQUATIC MICROSCOPIC SUBJECTS OF NATURAL HISTORY, selected from the "Microscopic Cabinet." By ANDREW PRITCHARD, M.R.I.
Also, in 8vo., pp. 720, plates 24, price 21s., or coloured, 36s.,
A HISTORY OF INFUSORIAL ANIMALCULES, Living and Fossil, containing Descriptions of every species. British and Foreign, the methods of procuring and viewing them, &c., illustrated by numerous Engravings. By ANDREW PRITCHARD, M.R.I.
"There is no work extant in which so much valuable information concerning Infusoria (Animalcules) can be found, and every Microscopist should add it to his library."—Silliman's Journal.
London: WHITTAKER & CO., Ave Maria Lane.