MESSRS. LONGMAN AXD CO. S LIST OF 



!3 



WORKS ON NATURAL HISTORY. 



INTRODUCTION TO THE MODERN CLASSI- 



FICATION OF INSECTS : comprising an Account of ihe Habits and 

 Transformations of the different Families; a Synopsis of all Ihe British, and 

 Notice of the more remarkable Foreign Genera. By J. O. WESTVVOOU, 

 Sec. Em. Soc. London, F.L.S. &<:. 2 vols. illustrated with above 130 

 Wood-cnts, comprising about Two Thousand Five Hundred distinct Figures. 

 Price 2/. 8s. cloth lettered. 



A MANUAL OF BRITISH COLEOPTERA; or 



BEETLES; containing a D.sciiption of all the Species of Beetles hitherto 

 ascertained to inhabit Great Britain and Ireland, &r. With a complete Index 

 of the Genera. ByJ. F. STEPHENS, Esq. F.L.S., Author of ' Illustrations of 

 British Entomology." 1 vol. post 8vo. 14s. cloth lettered. 



DR. TURTON'S MANUAL OF THE LAND AND 



FRESHWATER SHELLS OF THE BRITISH ISLANDS. A New 

 Edition, revised and enlarged, by JOHN EDWARD GRAY, Esq. of the British 

 Museum. 1 vol. post 8vo. with Wood-cuts and Twelve coloured Plates, price 

 15s cloth lettered. 



CONVERSATIONS ON MINERALOGY. Third 



Edition, enlarged, with 12 Plates, engraved by Mr. and Miss LOWRY. 

 2 vols. 12mo. 14s. cloth. 



REPORT ON THE GEOLOGY OF CORNWALL, 



DEVON, AND WEST SOMERSET, by Order of the Lords Commissioners 

 of Her Majesty's Treasury. By H.T. D LA BsCHE.F.R.S. &c. Director of 

 the Ordnance Geological Survey. 8vo. with Sections, &c. 14s. 



AN ETYMOLOGICAL AND EXPLANATORY 



DICTIONARY of the TERMS and LANGUAGE of GEOLOGY, with 

 especial regard to Association ; containing also many Terms of Mineralogy 

 and Science. By GEORGE ROBERTS. Foolscap Svo. 6s. cloth lettered. 



BOOK OF NATURE; a Popular Illustration of the 



General Laws and Phenomena of Creation. By JOHN MASON GOOD, M.D. 



F.R.S. 3d Edit. 3 vols. fcp. 8vo. 24s. 



Tie belt fkitaiofkittl iigttt of tke kintl ickiek me tatre Km." Monthly Review. 



TAXIDERMY; or the Art of Collecting and Pre- 

 paring Objects of Natural History. 4th Edition, l'2mo. Plates, It. 6d. 



ESSAYS ON NATURAL HISTORY. By CHARLES 



WATKRTON, Esq. of Walton Hall, Author of " Wanderings in South Ame- 

 rica." Third Edition, with a View of Walmn Hall, and an Autobiography 

 of the Author. One vol. fcp. Svo. 8s. cloth lettered. 



CONVERSATIONS ON BOTANY. 8th Edition 



enlarged, 12mo. with 22 Engravings, 7g. 6d. plain ; 12s. coloured. 



AN INTRODUCTION TO GEOLOGY; intended 



to convey a Practical Knowledge of the Scimce; and comprising the most 

 important recent Discoveries; with Explanations of the Factsand Phenomena 

 which serve to confirm or invalidate various Geological Theories. By ROBERT 

 BAKCWELL. 5ih Edition, considerably enlarged from the 4th Edition, and 

 with new Section; and Cuts, price One Guinea, cloth lettered. 



