No:u ready, 8w, cloth, price 6/- post free. 



LIST OF YORKSHIRE LEPIDOPTERA, 



By G. T. PORRITT, F.L.S. 



Contains copious records of the localities, &c, of the 1,340 species of macro- 

 and micro-lepidoptera known to inhabit the county ; particulars of local variation 

 in species ; with all other necessary information on the subject. 



To be had only from the Hon. Secretaries of the Yorkshire Naturalists' Union. 



WM. DENISON ROEBUCK, Sunny Bank, Leeds ; 



WM. EAGLE CLARKE, 18, Claremont Road, Headingley, Leeds. 



THE YOUNG NATURALIST. 



A Monthly Magazine of Natural History, conducted by John E. Robson, 

 Hartlepool, with the assistance in various departments of — 

 G. C. BIGNELL, Plymouth. C. S. GREGSON, Liverpool. 



G. COVERDALE, London. S. L. MOSLEY, Huddersfield. 



Dr. ELLI, Liverpool. JOHN SANG, Darlington. 



G. ELISHA, London. J. P. SOUTTER, Bishop Auckland. 



Price Six Shillings per annum, post free. 



Monthly Supplements are given, intended to form when complete separate manuals of the 

 various groups treated upon. There is also being issued at present a List of British Lepidoptera 

 for labelling collections, after the arrangement of the late Henry Doubleday, with all the 

 latest corrections and additions. 



All orders and other communications to be addressed to JOHN E. ROBSON, Hartlepool. 



A HANDBOOK OF THE 



VERTEBRATE FAUNA OF YORKSHIRE. 



Being a Catalogue of British Mammals, Birds, Reptiles, Amphibians and Fishes, showing 

 what species are or have, within historical periods, been found in the county. 



BY 



WM. EAGLE CLARKE, F.L.S., 



AND 



WM. DENISON ROEBUCK, F.L.S. 



PRICE 8s. 6d. MAY BE HAD OF THE AUTHORS, OR OF 

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EXTRACTS FROM REVIEWS. 



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 executed with most conscientious care. They have given a short introductory exposition of the 

 principles by which they have been guided, and an excellent brief sketch of the physical aspects 

 of Yorkshire, and the summary of the results of their investigation of its Vertebrata. The Lttle 

 book is a most valuable contribution to British zoological literature.' — Ami. &> Mag. Nat. Hist. 



'The work is an excellent one of its kind.' — Athenceum. 



NOW ENLARGED TO TWENTY PAGES. 



THE NATURALIST'S WORLD. 



Illustrated. Price Twopence Monthly. 



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