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Fcap. 8vo. cloth, Illustrated, price 48.

ne Applications of Geology to the

Arts and Manufactures.

Six Lectures delivered before the Society of Arts. By Professor
D. T. ANSTED, M.A., F.R.S.

I. On the Formation of Natural Soils by Derivation from Rocks, and on the Improvement of Soils by the admixture of Minerals.

II. On Natural and Artificial Springs, and on the various Sources of Water Supply for Towns and Cities, in connection with the Geological Structure of the Vicinity.

III.-On Mineral Materials used for the Purposes of Construction : Plastic and Incoherent Materials (Clays and Sands).

IV.-On Mineral Materials (continued): Building Stones and Slates, and their Relative Value under given Circumstances of Exposure, and on Methods of Quarrying.

V.-On Stratified Deposits of Minerals, as Coal and Iron Ore, usually obtained by Mining Operations, and on Mining Methods for such Deposits.

VI.-On Metalliferous Veins for Lodes and their Contents, and on the Extraction of Metalliferous Minerals from Lodes.

"The science of geology largely engages the attention of the public; but persons are frequently deterred from the study of it by the dry and tedious style of writers dedicating their talent to its exposition. Professor Ansted has supplied a book which meets the public want. Those relating to agricultural geology have especial interest for farmers; but the whole are deeply interesting and worthy of mmendation."-News of the World.

ofessor Ansted takes in hand a subject of some difficulty, but of universal hance. In this he describes the different kinds of mineral veins, their contents, methods adopted to extract those contents, and thus fitly concludes his lowinglucidation of the practical application of geological knowledge to ecoespecially in connexion with the arts."-Daily News.

DEAR MR. much improved and enlarged. With references to the
I have imens in the British Museum. Fcap. 8vo.

find scarcely any torice 2s. 6d. Fully illustrated.

and exhaustive.

British Natural His were every Parish s collect, as Wimbledor

or, Notes for Young

ists.

J. TOYNBEE, Esq.,YMONDS, Rector of Pendock, Author of "Stones

Symonds is a very simple one. He adopts the classiCox & Wyman, Prind carries the young naturalist from family to family,

h the lowest fishes, making his own remarks as The volume is neatly got up, and deserves ded."-Athenæum.

Fcap. 8vo. cloth, 48. plain; 6s. coloured. Fully Illustrated.

The British Reptiles

A Plain and Easy Account of the Lizards, Snakes, Newts, Toads,
Frogs, and Tortoises, indigenous to Great Britain. By M. C.
COOKE, Author of "The British Fungi," &c.

Fcap. 8vo. cloth, 4s. plain; 6s. coloured. Fully Illsutrated.

Slugs and Snails, Land and Fresh

Water,

A Plain and Easy Account of the Land and Fresh-water Mollusks of Great Britain. Containing Descriptions, Figures, and Familiar Account of the Habits of each Species. By RALPH TATE, F.R.G.S.

Fcap. 8vo. cloth, 2s. 6d. plain; 4s. coloured. Fully Illustrated.

The British Beetles

(A Plain and Easy Account of). By W. H. GROSER, B.S.

Feap 8vo. cloth, price 2s. 6d.

Our Common Insects.

First Steps to Entomology. By Mrs. E. W. Co

Crown 8vo., price 58., illustrat

The Book of the Pike.

A Practical Treatise on the various met]
an analysis of the Tackle employed, th
Also a Chapter on Spinning for Trout
H.CHOLMONDELEY-PENNELL

[Ready Shortly

In Monthly parts, at 5s. To be completed in about 66 parts.

Sowerby's English Botany:

Containing a Description and Life-Size Drawing of every British
Plant. Edited and brought up to the present standard of scientific
knowledge by T. BOSWELL SYME, F.L.S., &c. With Popular
Descriptions of the Uses, History, and Traditions of each Plant, by
Mrs. LANKESTER, Author of "Wild Flowers worth Notice,"
"The British Ferns," &c. The Figures by J. E. SowERBY,
JAMES SOWERBY, F.L.S., J. DE C. SOWERBY, F.L.S., and J.
W. SALTER, A.L.S.

The Distinctive Characteristics of this edition are,

1. A life-size drawing of every British plant, arranged according to the Natural System of De Candolle.

2. Where necessary, the plates are accompanied by illustrations of the structure of the various organs of the plant, especially of those structures discovered within the last few years by the use of the microscope.

3. All the illustrations are full-coloured, instead of half-coloured, and the utmost care is taken to adhere as closely as possible to nature.

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"Under the editorship of T. Boswell Syme, F.L.S., assisted by Mrs. Lankester, whose work on Wildflowers worth Notice' is so well appreciated by the public, we have the best guarantee that 'Sowerby's English Botany,' when finished, will be exhaustive of the subject, and worthy of the branch of science it illustrates. In turning over the charmingly executed hand-coloured plates of British plants which encumber these volumes with ri hes, the reader cannot help being struck with the beauty of many of the humblest flowering weeds we tread on with careless step. Our fields, woods, and hillsides, are paved with riches we all too much neglect. We cannot dwell upon many of the individuals grouped in the splendid houquet of flowers presented in these pages, and it will be sufficient to state that the work is ledged to contain a figure of every wild flower indigenous to these isles."-The Times, 3, 1865.

be the most complete Flora of Great Britain ever brought out. This great find a place wherever botanical science is cultivated, and the study of our ts, with all their fascinating associations, held dear."-Athenæum.

haru lowints,

... A clear.

can exceed the beauty and accuracy of the coloured figures. They are an advantage which every young amateur will recognize who has vainly vings in which a celandine is as big as a poppy-they are enriched DEAR MR.ations of print, petal, anther, and any organ which happens to be m-and not a few plates are altogether new. I hav enables the reader to take in at a glance the arrangement and And Mrs. Lankester has added to the technical description ely interesting popular sketch, which follows in smaller type. German popular names are given, and, wherever that deliat all practicable, their derivation also. Medical properties, were every Parish and poetic tributes and illusions follow. In short, there collect, as Wimbledesired."- Guardian.

find scarcely any and exhaustive. British Natural

J. TOYNBEE, Esq.

parts be as good, the work, when complete, will be without

erver.

the standard work on Botany, and indispensable to s are most accurate and beautiful, and the entire work nded to all who are interested in Botany."-Illus

Cox & Wyman, Prin

CKE, 192, PICCADILLY,

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