THE NATURALIST. 



Journal of The YorksMre Naturalists' Union, and General Field-Club Record, 

 Edited by C. P. HOBKIRK, F.LS, and G. T. PORRITT, F.LS. 



Monthly, price 4d., or 4s. per annum in advance. 



Containing Original Articles on Natural History Subjects ; Papers read at Meetings of 

 Natural History Societies and Field Clubs ; Reports of Meetings and Excursions ; Notes 

 and Queries ; Exchanges ; Diary of Meetings, &c. 



The volumes commence with the August number in each year. Vol. IV. commenced 

 August 1878. Post free of 



B. BROWN, Publisher, Huddersfield. 

 NOW READY.— PROFESSOR JOHNSTON'S 



CHEMISTRY OF COMMON LIFE. 



NEW EDITION, REVISED AND BROUGHT DOWN TO THE PRESENT TIME. 



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Author of ' Food, its Sources, Constituents, and Uses.' 

 Ilhistrated with Maps and numerous Engravings on Wood. 



One Volume, crown 8vo, pp. 618, price ys. 6d. 



Summary of Contents : — The Air we Breathe — The Water we Drink — The Soil we 

 Cultivate— The Plant we Rear — The Bread we Eat — The Beef we Cook — The Beverages 

 we Infuse — The Sweets w-e Extract — The Liquors we Ferment— The Narcotics we 

 Indulge in — The Poisons we Select — The Odours v/e Enjoy — The Smells we Dislike — 

 The Colours we Admire — What we Breathe and Breathe for— What, How, and Why we 

 Digest — The Body we Cherish — The Circulation of Matter. 



WILLIAM BLACKWOOD & SONS, Edinburgh and London. 

 On the 1st of every Month, price Sixpence, 24 pp. ^vo, 



THE ENTOMOLOGIST'S MONTHLY MAGAZINE. 



Conducted by J. W. DOUGLAS; R. M'LACHLAN, F.R.S., F.L.S.; 

 E. C. RYE, and H. T. STAINTON, F.R.S., b'c. 



This Magazine was commenced in 1864, and its pages are principally devoted to infor- 

 mation respecting British Entomology. 



London : JOHN VAN VOORST, i Paternoster Row, E.C. 



N.B. — The volumes commence with the June number in each year. Subscriptions (6s. 

 per volume, post free) should be forwarded to the Editors at the above address. 



H. W. MAESDBN, 



BEING in regular communication with the best Collectors in NORTH- 

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EUROPEAN & BRITISH BIRDS' EGGS AND BIRD-SKINS, 



Including many very rare Species. Price Lists on application. 

 SPECIAL ! — Young Birds in the Down, from Lapland, &c., are now on offer. 

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