The IRISH NATURALIST for 1916 (twelve parts) wHI be sent to any Address 
for 5s. Subscriptions should be sent to IVIessrs. Eason and Son, Ltd., 42 Great 
Brunswick Street, Dublin. 
THE NATURALIST. 
A Monthly Illustrated Journal of 
NATURAL HISTORY FOR THE NORTH OF ENGLAND. 
EDITED BY 
T. SHEPPARD, M.Sc, F.G.S., F.R.G.S., F.S.A., Scot., 
The Museum, Hull; 
AND 
T. W. Wb^liHE^Ab, Ph.D., M.Sc, F.L.S., Tech. Coll., 
iHbDDERSFIELD. 
WITH fEE ApSl^li'iiiffCE'AS feEFEREES IN SPECIAL DEPARTMENTS OP 
J. GILBERt ^AKER, F.R.S., F.L.S., GEO. T. PORRITT, F.L.S., F.E.S. 
PROF. P. F. KEIVDALL, IM.Sc, F.G.S., JOHIV W. TAYLOR, NI.Sc. 
T. H. NELSON, IVI.Sc, M.B.O.U., RILEY FORTUNE, F.Z.S. 
This Journal is one of the oldeat Scientific Periodicals in the British Isles dating back to 1833. | 
London : A. BROWN & SONS, Ltd., 5, FARRINGDON AVENUE, iE.C. 
Prepaid Subscription, 6/6 per annum, post free. 
Communications to be addressed to the Editors of the Naturalist, The Museum, HuUi 
NATURE. 
A WEEKLY ILLUSTRATED JOURNAL OF SCIENCE. 
PRICE SIXPENCE. 
" NATURE" contains Original Articles on ail subjects coming within 
the domain of Science, contributed by the most eminent scientific writers 
off the day. it also contains Reviews off all recent scientific works ; 
Correspondence Columns, which fform a medium off scientific discussion 
and of Intercommunication among men off Science ; Accounts off the 
leading Scientific Serials ; Abstracts off the more valuable papers which 
appear in fforeign journals ; Reports off the Proceedings of the Principal 
Scientific Societies and Academies off the World ; and Notes on all matters 
off current scientific Interest 
. SUBSCRIPTIONS TO "NATURE." 
£ e. d. 
Yearly 18 0 
Halff-yeariy 1 14 6 
Quarterly 0 6 8 
{To all places Abroad) £ 9. d. 
Yearly 1 10 
Halff- Yearly .. 0 15 
Quarterly 0 8 
A charge of Sixpence is made for changing Scotch and Irish Cheques. 
Cheques and Money Orders to be made payable to Macmillan & Co., Ltd, 
Martin-st., London, W.C. 
