Scale of Charges for Advertisements. 

 Whole Page! £3- Half Page £1 Us. 6d. Quarter Page 17s. 



Lowest charge, 7s. up to 5 lines; Is. per line afterwards. 

 Repeated or continuous Advertisements per contract. 

 There is no charge for Lists of Duplicates and Desiderata. 



All payments and applications for the above should be made to 



R. W- LLOYD, I. 5, Albany, Piccadilly, W. 



"NATURE," 



A WEEKLY ILLUSTRATED JOURNAL OF SCIENCE. PRICE, 6dL. 



" Nature " contains Original Articles on all subjects coming within the domain of 

 Science, conti'ibuted by the most eminent scientific writers of the day. It also 

 contains Reviews of all recent scientific works ; Correspondence Columns, which 

 form a medium of scientific discussion and of intercommunication among men of 

 Science ; Accounts of the leading Scientific Serials ; Abstracts of the more 

 valuable papers which appear in foreign journals ; Reports of the Proceedings of 

 the Principal Scientific Societies and Academies of the World ; and Notes on all 

 matters of current scientific interest. 



Yearly ... 

 Half- Yearly 

 Quarterly 



Money Orders to be made payable to MACMILLAN and CO., 

 Office: St. Martin's Street, London, W.C. 



THE NJLTXJRALIST: 



A MONTHLY ILLUSTRATED JOURNAL OF 



NATURAL HISTORY FOR THE NORTH OF ENGLAND. 



EDITED BY 



T. SHEPPARD, F.G.S., and T. W. WOODHEAD, F.L.S., 



Museum, Hull; Technical College, Hudderspield ; 



WITH THE ASSISTANCE AS REFEREES IN SPECIAL DEPARTMENTS OF 



J. GILBERT BAKEH, F.R.S., F.L.S. GEO. T. PORRITT, F.L.S., F.E.S. 



PROF. PERCY F. KENDALL, F.G.S. JOHN W. TAYLOR. 



T. H. NELSON, M.B.O.U. WILLIAM WEST, F.L.S. 



This Journal is one of the oldest Scientific Periodicals in the British Isles, dating 

 back to 1 833, and is circulated widely amongst the principal Naturalists of the country, 



London : A. Bbown and Sons, 5, Farringdon Avenue, E.C. 



PRICE, SIXPENCE NET. BY POST SEVENPENCE. 



Annual Subscription, 6s. 6d., post free; through Booksellers, 6s. Net, 



