The Sun.
London, England, 1820-04-05 00:00:00

MIDALLIC ART.

In the Press, and will be published early in May, Drdicated,
by permission, to his Majesty George the Fourth,
nN HISTORICAL and CRITICAL AC-
'COUNT of the GRAND SERIES of NATIONAL
MEDALS (published under the Direction of Mr. MIJDIE),
embellished with Outlines of the entire Series, by an Artist
of eminence.

As an Alphabetical List of Subscribers will he affixed to
the Work, thisse who wish ttssubscribe are req.-tested tu lend
their names to any 9f tile following Agents for the Sale of the
Medals :—.NII. Whiteares, 30, Fleet-street ; Mr. Young, 4G,
High Holborn ; Messri. Solornou end CO. .2, New-street,
Covent-Garden ; Repository of Arts, 129, ; Messrs.
Griffin and Co. 142, Leatletiliall-street; and the Agents in
the principal Towns of the United Kingdom.

WORKS on PHILOSOPHY, GEOLOGY, MINERALOGY,
&c. recently published by LONGMAN, HURST, REES,
ORME, and BROWN, London.

1. CONVERSATIONS on NATURAL PHI-
LOSOPHY, in which the Elements of that
ence are familiarly explained, and adapted to the Comprehen-
sion of Young Pupil's., By the Author of " Conversations on
Chemistry," and" Conversations on Political Economy." In
12mo. price 10s. 6d. boards. Illustrated with e 2 Engravings
by Lowry.
2. An INTRODUCTION to MINERALOGY ; comprising
the Natural History and Characters of Minerals; and a' De-
scription of Rocks, both simple and aggregated ; with a New
Tabular Arrangement of Earthly Minerals, on a Plan design-
ed to facilitate t Knowledge of that Class of Substances.—
To which is prefixed, a SERIES of CONVERSATIONS, ex-
plaining the Principles of the Science, and the Elements of
Crystallography. By Robert Bakewell, Auth.ir of an Intro-
duction to Geology. 111 one thick Volume, Bvo. with Plates
by Lowry, exiliOiting 153 Figures of Minerals, &c. price
ls. boards.

3. OUTLINES of .NATURAL PHILOSOPHY; being
Heads of Lectures delivered in the University of Edinbuigh.
By John Mayfair, F.R.S L. and E. Professor of Natural Phi-
losophy in the University of Edinburgh. Handsomely printed
in 2 vols. Bvo.•Jecond Edition, with Plates, 11. Is. bils.

** Voitiine h. separately, price 10s. 6d. bds.

4. A CRITICAL EXAMINATION of the First Principles
nf GEOLOGY, in a Series of Essays. By G. B.- Greenough,
F.R.S. F.L.S. and•Presideiat of the Geological Society. In
se°. gs. boards.

5. FAMILIAR LESSONS- on MINERALOGY and GEO-
LOGY; explaining. the easiest Methods of discriminating
Minerals, and the Earthy Substances, commonly called Rocks,
which compose the Primitive, Secondary, Flcetz or Flat, and
Formations; to which is added, a Description of the
Lapidaries' Apparatus, &c. By .1. Nlawe. In 12mo. with
Engravings, and a coloured Plate, price ss.

6. A TREATISE on DIAMONDS and PRECIOUS
STONES. By J. Mawe. In 'Oro. 12c. boards.
7. KING COAL'S LEVEE; of,' GEOLOGICAL ETI-
QUETTE, w.th explanatory Notes ; and the COUNCIL of
the METALS. To which is added, BARON BASALT'S
TOUR. In. lemo. price 4s. !wards, the Fourth Edition.

8. A GEOLOGICAL PRINTER, in Verse; with a Poetical
Geognosv, or Feast and Fighting, and sundry sight plea-
sant Poems : to which is added, a Critical- Dissertation on
Xing Coat's Levee, addressed to the Professors and Students
at the University of Oxford. svo. 4s. bds.
P. A FAM 'LIAR INTRODUCTION to the ARTS and
',C,IENCES, for the Use of Schools and Young Persons; -con-
taining a general Explication of the Fundamental Principles
and Facts of the Sciences, divided into Lessons, with Ques-
tions subjoined to each, for the Examination of Pupils. By
the Rev. J. Joyce, Author of Scientific Dialogues, &e. In
I Vol, tiroo. (the id Edition) price 6s. boards, illustrated
with platestby Lowry.
4‘ We do not hesitate to recommend this as the most useful
and satisfactory epitome of human knowledge, which has yet
been puhlished.”—Antijaeobiti Rev. Nov.lBll.
gc We deem ourselves fully justified in recommending the
volume to parents and instructors, as containing much use-
ful matter in a cheap and convenient form."—Monthly Rev.
Nov. 1811.

10. An INTRODUCTION to ENTOMOLOGY ; or, Ele-
ments of the Natural History of Inaects. By William Kirby,
M.A. F.L.S. and William Spence, Esq. F.L.S. In Bvo. new
Editions of Vols. I. and 11. enlarged and improved, price 18s.
each, illustrated by coloured plates.
This Work is intended as a general and popular History of.
insects, and contains an account of the injuries they occasion,
(" including an account of those insects which cause diseases
in the human frame, and of those which are noxious to the
Farmer itild Agriculturist,") the benefits derived from .them,
the metamorphoses they undergo, their affection for their
young, their varions,kinds of food, and the means by which
they procure it, a description of their habitations, &c.
The two remaining Volumes will be published with all con-
venient speed.
11. ELEMENTS of the NATURAL HISTORY of the
ANIMAL. KINGDOM ; comprising the Characters of the
whole Genera, and of the most remarkable Species, par-
ticularly those that are Natives of Britain ; with the prin-
cipal Circumstances of their History and Manners. By
C. Stewart, Member of the Linlnean and Werneriatn So-
cieties. In 2 rvls. Bvo. 11. 4s. boards, the Second
Edition.

12. The NATURALIST'S POCKET-BOOK; or, Tourist's
Companion being .a brief Introduction to the different
Branches of Natural History, with" approved "Methods for
collecting and preserving the various Productions of Nature.
By George Graves, F.L.S. Author of British Ornithohnu,
Ovarioni Britannicum,. and Editor of the New Edition of
Curtis's Flora Londinensis. In se°. with plates,-price 14s
plain, or 21s. coloured.

TO ALL WHO VALUE THEIR SIGHT.

DIXON'S Improved SPECTACLES to preserve the Sight to
extreme old Age, to be hod only at 93, Newman-street, two
Doors out of Oxford-street, On the lett hand.

DIXON respectfully informs the Nobility,
' Gentry, and the Public, that he was employed by the
late Mr. Bradherry, for a number of Years, as the Manufac-
turer of his Spectacles; and since his death, has commenced
Business at the above place, and auixiou►ly hopes that 20
Years experience, united with the strictest assiduity and at-
tention to the preservation of Sight, which alune can be dune
by using his Improved Spectacles, which have given such ge-
neral satisfaction in London and all parts of the Kingdom,
must insure him the patronage of the Public.

Please to observe 93, Newman-street, Oxford-street,
.as
there are many humhle imitations of his Improved Sp'ee-
tacies offered.

All Letters and Parcels from the Country post-paid, will be
imiLediattly attendtd to;