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" This answers more completely to the proper notion of an Intro- 
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CONVERSATIONS ON BOTANY, with Twenty-one En- 
gravings. The Sixth Edition, enlarged, in 1 Vol. 12mo. Price 7s. 6d. 
plain, or 12s. coloured. 
The object of this Work is to enable young persons to acquire a 
knowledge of the vegetable productions of their native country; for 
this purpose the arrangement of Linnaeus is briefly explained, and a 
native plant of each class (with a few exceptions) is examined, and 
illustrated by an engraving; and a short account is added of some 
of the principal foreign species. 
ELEMENTS OF AGRICULTURAL CHEMISTRY. By 
Sir Humphry Davy, Bart. In 8vo. (the 4th Edition) illustrated 
with 10 Engravings, price 15s. boards. 
In the Press, and speedily to be Published, in Monthly Volumes. 
THE CABINET CYCLOPEDIA, conducted by the Rev. 
Dionysius Lardner, LL.D. F.R.S. L.and E. M.R.I.A. M.Z.S. Hon. 
F.C.P.S. M.A.S. &c. &c. Professor of Natural Philosophy and As- 
tronomy in the University of London, assisted by numerous Emi- 
nent Literary and Scientific Characters. — 1. Each volume will con- 
tain about 400 pages, foolscap 8vo. price 6s. — 2. When plates are 
necessary, a corresponding reduction will be made in the letter-press. 
Each volume will be accompanied by its own plates, and no others. 
Principal Divisions of the Work: — 1. The Cabinet of Natural 
Philosophy. Eight Volumes. — II. The Cabinet of Arts. Ten 
Volumes. — III. The Cabinet of Natural History. Fourteen 
Volumes. — IV. The Cabinet of Geography. Six Volumes. — V. 
The Cabinet of Philosophy. Twelve Volumes. — VI. The Cabi- 
net of Physiology and Medicine. Six Volumes. — \{\. The 
Cabinet of Literature. Ten Volumes. — VIII. The Cabinet op 
History and Antiquities. Twenty-two Volumes. — IX. The 
Cabinet of Biography. Twenty Volumes. — X. The Cabinet of 
Lexicography. Ten Volumes. 
The order of publication will not follow the above scheme. The 
progress of the several divisions of the work will be contemporane- 
ous, so as to sustain an interest by variety during the period of pub- 
lication. 
