THE lAlSH NATURALIST for 1909 (twelve parts) will be sent to any 

 Address for 5s. Subscriptions should be sent to Messrs. Eason and 

 Son, Ltd., 40 Lower Sackville-street, Dublin. 



3sr-<gLTXJn.j9LXjisn7 



--/ Monthly Illustrated /oiiriial of 



NATURAL HISTORY FOR THE NORTH OF ENGLAND. 



Edited by T. SHEPPARD, F.C.S., and T. W. WOODHEAD, F.L.S,, 



Museum, Hull. Technical Collkqe.Huddersfield 



.vith the assistance as referees in special departments op 



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



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



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



Ttiis Journal is one of the oldest Scientific Periodicals in the British Isles, dating back to 1833. 

 London : A BROWN & vSONS, Ltd , 5, FARRINGDON AVENUE, E C. 



PRICE SIXPENCE NET. BY POST SEVENPENCE. 



Annual Snhsvviption, (is. Otl., post free ; thvotiffh liitoUsellers, 6s. Net. 



Communications to be addressed to the Editors of the Naturalist, The Museum, Hull. 



NATURE. 



A WEEKLY ILLUSTRATED JOURNAL OF SCIENCE. 



I'BKJE SIXPENCE. 



"NATURE" contains Original Articles on ail subjects coming within 

 the domain of Science, ccntributed by the most eminent scientific writers 

 of the day. It also contains Reviews of all recent scieniit.c works ; 

 Correspondence Columns, which form a medium of scibniirx oiscussion 

 and of intercommunication among men of Science ; Accounts of the 

 leading Scientific Serials ; Abstracts of the more valuable papers which 

 appear en 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. 



SUBSCRIPTIONS TO "NATURE." 



£ •<•■• (/■ ( Tu all places Abroad.) £ «. d. 



Yearly . .. 18 Yearly 1 10 6 



Half-Yearly 14 fi Half-Yearly .. .. 15 G 



Quarterly 7 6 Quarterly .. 8 

 A chi:r^'c of Sispenee is made for changing Scoleh and Irish Cheques. 



Chequetj aua .Muaey Orders to be made payable to Maomillan <fe Co., Ltd., St. Martin's-st., 



LOKDON, W.C. 



, 



