LATELY PUBLISHED BY LONGMAN AND CO. 



NATURAL HISTORY — co.ntixied. 



ESSAYS on NATURAL HISTORY. 



By Charles Waterton, Esq. of Walton Hall; 



Author of " Wanderings in South America." 



1 vol. fcp. 8vo. 8s. cloth lettered. 



" Most heartily do we wish that every student of natural history would, as far ax possible, 

 ground his pursuits and exertions on the example of Mr. Waterloo , scienre would he the 

 gainer not less than humanity. This tittle book abounds with hints and instructions of the 

 greatest mJm to erery lover of natural history." — EXAMINER. 



GEOLOGY, CONCHOLOGY, fr MINERALOGY. 



REPORT on the 

 GEOLOGY of CORNWALL, DEVON, and 



WEST SOMERSET, 



By Order of the Lords Commissioners of Her Majesty's Treasury. 



By Henry T. De la Beche, F.R.S. &c. Director of the Ordnance Geological Survey. 



1 vol. 8vo. with numerous Sections and Plans.— Shortly. 



AN INTRODUCTION to GEOLOGY; 



Intended to convey a Practical Knowledge of the Science ; and comprising the most 



important recent Discoveries; with Explanations of the Facts and Phenomena 



which serve to confirm or invalidate various Geological Theories. 



By Rorert Bakkwell. 



3th Edition, considerably enlarged from the 4th Edition, and with new Section and Cuts, 

 price One Guinea in cloth, lettered. 



NEW SYSTEM of GEOLOGY ; 



In which the areat Revolutions of the Earth and Animated Nature are 

 reconciled to Modern Science and to Sacred History. 



By A. Ure, M.D. F.R.S. 



8vo. with 7 Plates and 51 Woodcuts, 21s. 



CONVERSATIONS on MINERALOGY. 



With 12 Plates, engraved by Mr. and Miss Lowry. 

 3d Edition, enlarged, 2 vols. 12mo. price 14s. in cloth. 



Mr. John Edward Gray, of the British Museum, is preparing a New Edition, 

 thoroughly revised, and with considerable Additions, of Turton's 



MANUAL of the LAND and FRESH-WATER SHELLS 



Of the BRITISH ISLANDS. 

 Also, by Mr. J. E. Gray, 



OUTLINES of CONCHOLOGY; 



Or, a short Account of the Orders, Families, and Genera of Molluscous Animals and 

 their Shells. Illustrated witli 12 Plates. 



INTRODUCTION to LAMARCK'S CONCHOLOGY 



