XIV. INTRODUCTION. 



F. Basis of Claystone (an earthy or granular Felspar). Clay Porphyry, 



Domite Porphyry. 



G. Basis of Pitchstone, or Obsidian. — Stigmite. 



A LIST OF SOME OE THE PRINCIPAL WOEKS 



ON GENERAL GEOLOGY AND 



PALEONTOLOGY. 



GEOLOGY. 



Ansted, D. T., ' Geology ' — Introductory, Descriptive, and Practical. 



2 vols. 



' The Ancient World ', 1 vol. 



Beudant, F. S., 'Mineralogie et Geologie.' 



Conybeare, Rev. W., ' Eeport on Geology,' in the 1st vol. of ' Reports 



of British Association.' 

 Conybeare and Phillips, ' Outlines of Geology of England and Wales.' 

 De la Beche, Sir H. T., ' Geological Manual.' 

 ' Geological Report on Cornwall, Devon, and 



West Somerset.' 

 Leonhard, ' Agenda Geognostica.' 

 Lyell, C, ' Elements of Geology,' 2 vols. 



' Principles of Geology,' 1 vol. 1847. 



ManteU, G. A., ' Wonders of Geology.' 



' Geological Excursion round the Isle of Wight,' &c. 



A valuable and interesting Hand-Book for the Geological Student 



visiting the Island, and the adjacent coasts. 

 ' The Geology of the South East of England,' 1 vol. 



Morris, J.,* ' A Catalogue of British Fossils,' 8vo, 1843 ; containing 



* I must here mention that an Illustrated Edition of this work has been prepared under 

 the auspices of Mr. Horner, late President of the Geological Society, in which the original 

 figures, cited in Mr. Morris's Catalogue, have been cut from the respective works, and 

 placed on the page with the references, so that any species can be compared at one view 

 without referring to numerous works. These volumes are placed in the Library of the 

 Geological Society for the use of its members. 



