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.
Also, price 8s. 6d.,
MICROGRAPHIA, or Practical Essays on Reflecting and Solar Microscopes; Eye-Pieces; Micrometers, &c.
Also, edited by the same, price 18s.,
ENGLISH PATENTS; being a Register of all those granted in the Arts, Manufactures, Chemistry, &c., during the first forty-five years of this century.
WHITTAKER & Co., Ave Maria Lane.