Now ready, 8w, cloth, price 6/- post free. 



LIST OF YORKSHIRE LEPIDOPTERA, 



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



The list 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 connected with 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. 



INDISPENSABLE TO STUDENTS AND COLLECTORS. 



THE JOURNAL OF CONCHOLOGY. 



Contains Descriptions and Figures of New Species and Varieties, Geographical 

 Lists, and Original Articles, dealing with all departments of the science, by the 

 leading Conchologists of the day. —Vol. V. commences January 1886. 



Price 4s. per annum. 



London: D. BOGUE, St. Martin's Place, W.C. 

 Leeds : TAYLOR BROTHERS, The Steam Colour Printing Works. 



VOLS. I., II., & III. MAY STILL BE HAD. 



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. ELLIS, 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 he 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 

 LOVELL, REEVE & CO., 5 HENRIETTA STREET, COVENT GARDEN, LONDON. 



EXTRACTS FROM REVIEWS. 



'The authors of this catalogue may take a pride in their work, which has evidently been 

 executed with most conscientious care. They have givei 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 1 ittle 

 book is a most valuable contribution to Britisli zoological literature.' — Attn. &> Mag. .Vat. Hist. 



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



