WATKINS & DONOASTER 



3©, STRAND, LONDON, IV. C. 



(Five Doors from Charing Croit),| 



Keep in stock every description of 



APPARATUS, CABINETS, BOOKS, AND SPECIMENS 



for Coiiectors of 



BIRDS' EGGS, BUTTERFLIES, MOTHS, ETC. 



Catalogue (96 pages) sent post free on application. 



NATURAL HISTORY BOOKS AND SERIALS. 



JOHN WHELDON & CO. have the largest stock in 

 the country of Books in all departments of Natural History 

 and Science, also Transactions and Journals of Learned 

 Societies, etc, in sets, runs, and single volumes or numbers. 



Libraries or smali parceis purciiased. 



SPECIAL CATALOGUES: Zoological, Ornithological, 



Entomological, Botanical, Geological, Chemical, Gardening, 



etc., ad. each, post free. 



ZS, Great Queen St., Kings way, London, W.C.2. 



Telephone : Gerrard 1412. 



BIBLIOGRAPHY 



OF 



YORKSHIRE GEOLOGY 



1534-1914. 



By T. SHEPPARD, m.sc, f.g.s,, f.r.g.s., f.s.a.(scot.) 



8vo, xxxvi. + 62^ pp. 15/- net. 



This forms Volume XVIII. of the Proceedings of the Yorkshire 

 Geological Society. It contains full references to more than 6,300 

 books, monographs and papers relating to the geology and physical 

 .geography of Yorkshire, and to more than 400 geological maps and 

 sections, published between 1534 and 1914. In its preparation over 

 700 sets of Scientific Journals, Reports, Transactions and Magazines 

 have been examined. There is an elaborate index containing over 

 26,500 references to subjects, authors and localities. 



THE HON. LIBRARIAN, YORKSHIRE GEOLOGICAL SOCIETY. 

 THE UNIVERSITY, LEEDS. 



