(*S Idvertisemrnts. _____ 



N^T>^/ CONTENTS. 



— ^ ■'■ " PAGE 



The Entomological Year {continued).— Albert H. Waters, B.A. .. .. 145 



On the Variation of Species {concluded). — C.W.Dale... . . .. .. 150 



Are British Butterflies disappearing from the British Isles. — C. W. Dale .. .. 152 



The Ash.— J. P. Soutter. . ... .. . . .. .. .. 153 



Jottings from Glasgow. — John Mackey . . . . . . . . . . 162 



Notes from a Naturalists's Diary. — W.H.Warner.. .. .. .. 164 



Haggerston Entomological Society .. . . .. .. . . .. 166 



Our London Letter . . . . . . . . . . . . . . 167 



Notes and Observations, &c. .. .. .. .. . . .. .. 168 



Supplement : Coleoptera for Beginners . . ...... . . . . 1 to S 



The Conductor solicits Articles, Notes and Observations/ Exchanges, &c, 

 in any branch of Natural History, and will especially welcome communications 

 from " Young Naturalists." All papers intended for publication, to be addressed 

 to John E. Eobson, Hartlepool. 



For the greater convenience of Subscribers in the London District, Mr. 

 Ernest Anderson, 1 7 1 , Cassland Koad, South Hackney, Secretary to the 

 Haggerston Entomological Society, has kindly consented to act as Agent for the 

 Young Naturalist, Subscriptions may be paid to him, or he will receive and 

 forward advertisements, or communications for publication. 



FOR BRITISH SHELLS (Marine, Land, and Fresh 

 Water) ; CRUSTACEANS ; ECHINODERMS ; 

 BIRDS' EGGS, &c, write to the " Tenby and South Wales 

 Natural History Depot," Tenby, Pembrokeshire. 



NEW SERIES, Permanently Enlarged. Price 4s. per Annum, post free. 



THE NATURALIST, 



A MONTHLY JOURNAL OF 



NATURAL HISTORY FOR THE NORTH OP ENGLAND. 



Conducted by 



Wm. DENISON ROEBUCK, F.L.S. , and Wm. EAGLE CLARKE, F.L.S. 

 The object of the Journal is the elucidation of the Natural History, Geology, and 

 Physical Features of the ten Northern Counties of England. 



All Communications should be addressed to the Editors :— 9, Commercial Buildings, Park Kow, LEEDS. 

 Recent numbers contain, among others, the following Articles: — The Lepidopterous 

 Fauna of Lancashire and Cheshire— John W. Ellis, L.R.C.P. ; Bibliography of North of 

 England, papers for 1884 ; Strasbruger's New Investigations on the Process of Fertilization 

 in Phanerogams. — Thos. Hick, B.A., B.Sc. ; Merlins and their Training— H. T. Archer ; 

 Ornithology of Upper Coquetdale — John Cordeaux and Abel Chapman ; On a Mega- 

 lichthys from the Yorkshire Coal-field (Illustrated)— Prof. L. C. Mi all, F.L.S., F.C.S. ; 

 The Marine Shells of Yorkshire— Rev. W. C. Hey, M.A. ; Additions to the Wensleydale 

 Flora. — F. Arnold Lees, F.L.S. ; Micro-palaeontology of the Northern Carboniferous 

 Shales— Geo. R. Vine. 



Printed by G. Pearson, 24, High Street, Hartlepool ; and published by Messrs. John 

 Kempster & Co., Bolt Court, 151, Fleet fetreet, London, E.C. 



