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POP ULAR SCIE NCE. 

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BY WILLIAM KIRBY, M.A.,F.R.S., AND WILLIAM SPENCE, ESQ., F.R.S. 



FROM THE 8IXTH LONDON EDITION, WHICH WAS CORRECTED AND CONSIDEBAELY ENLARGED. 



■ In one large octavo volume, extra cloth. 



"We have been greatly interested in ninninff over the pages of this treatise. There is scarcely in 

 the wide range of natural science, a more interesting or instructive study than that of insecls'or 

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" The popular form of letters is a<lopted by the authors in imparting a knowledge of the subject 

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THE ANCIENT WORLD, OR. PICTURESQUE SKETCHES OF CREATION. 

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PROFESSOR OP GEOLOGY IN KINO'S COLLEGE, LONDON. 



In one very neat volume, fine e.ttra cloth, with about One Hundred and Fifty Illustrations. 

 The object of this work is to present to the general reader the chief results of Geological investj- 

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 work is got up in a handsome maimer, with numerous illustrations, and forms a neat volume for tiie 

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GEOLOGY AND MIN ERAlTgY, 



WITH INSTRUCTIONS FOR THE QUALITATIVE ANALYSIS OF HHNERALS. 



BY JOSHUA TRIMMER, F. G. S. 



With two Hundred and Twelve Wood-Cuts, a handsome octavo volume, bound in embossed cloth. 



This is a systematic introduction to Mineralogy, and Geology, admirably calculated to instruct 



the student in those sciences. Tlie organic remains of the various formations are well dlustrated 



by numerous figures, wluch are drawn with great accuracy. 



NEW AND COIVIPLETE MEDICAL BOTANY. 



NOW READY. 



TiiTimcAi, BOT.A.n"y, 



OR, A DESCRrPTTON OF ALL THE MOKK UIPOKTANT PLANTS USED IN MEDICINE. 



AND OF THEIR PKOPEKTIES, USES AND .MODLS OF ADMINISTRATION. 



BY R. EGLESFEIiD GRIFFITH, M. D., &;c., .fee. 



In one large octavo volume. With about three hundred and fifty lllustrulioiis on Woo<;L 



A POPULAR TREATIsON^V^m^^^ 



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A TREATISE ON COMPARATIVE ANATOMY AND PHYSIOLOGY, 



BY W. B. C A R PR NTER. 



REVISED AND MUCH IMPROVED BY TILE AUTHOR. WITH BEAUTIFUL STEEL PLATES. 

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OARPBI^TSa'S ASTIlVIAr, PHYGIOLOGir, 



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