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.


W. H. HART, RECORD AGENT and LEGAL ANTIQUARIAN (who is in the possession of Indices to many of the early Public Records whereby his Inquiries are greatly facilitated) begs to inform Authors and Gentlemen engaged in Antiquarian or Literary Pursuits, that he is prepared to undertake searches among the Public Records, MSS. in the British Museum, Ancient Wills, or other Depositories of a similar Nature, in any Branch of Literature, History, Topography, Genealogy, or the like, and in which he has had considerable experience.

1. ALBERT TERRACE, NEW CROSS, HATCHAM, SURREY.


DR. DE JONGH'S LIGHT BROWN COD LIVER OIL. Prepared for medicinal use in the Loffoden Isles, Norway, and put to the test of chemical analysis. The most effectual remedy for Consumption, Asthma, Gout, Chronic Rheumatism, and all Scrofulous Diseases.