
WATKINS & _DONCASTE! R 
NATURALISTS, . 
‘ . 86, STRAND, LONDON, W.C. 
(Five Doors from Charing Cross), 
Keep in stock every description of 
APPARATUS, CABINETS, BOOKS, AND SPECIMENS 
for Collectors of 
BIRDS’ EGGS, BUTTERFLIES, MOTHS, ETC. 
Catalogue (96 pages) Sent post free on application. 

Map of Watsonian 
Vice Counties of Yorkshire 
| Prepared with the assistance of 
Mr. W. DENISON ROEBUCK. 
Printed on stout paper, size 6 X 8, with a space for notes. 
25, 10d.; 50, 1/6; 100, 2/6; 500, 10/6. 
Post free im cable case. 
THE publishers have pleasure in announcing that at the suggestion 
of readers of The Naturalist, the Map appearing in the December 
number has been re-issued separately. The map is of special service 
to naturalists, as it enables them to record their captures according 
to the vice-counties as given in Watson’s Topographical Botany. 
A. BROWN & SONS, Ltp., 40 GEORGE §$T., HULL. ;, 
‘THE NATURALIST’ for 1915. 
EDITED BY 
T. SHEPPARD, M.Sc., F.G.S., and T. W. WOODHEAD, M..Sc., Ph.D., F.L.S. 
- Tastefully bound in Cloth Boards, 7/= net. 
Contains 420 pages of excellent reading matter, and numerous 
illustrations throughout ‘the text, 

The Volume includes many valuable and attractive articles 
by some of the most prominent ‘naturalists and leading scientific 
men in the country, and forms a handsome, well illustrated, and ~ 
“most acceptable present to all interested in outdoor life. 
A. BROWN & SONS, Lrp., 40 Grorce Street, Hunt. 
RS errr ——————— 
Printed at Browns’ SAVILE Press, 40, George Street, Hull, and published by 
A. Brown & Sons, Limited, at 5 Farringdon Avenue, i in the City of London. 
March Ist, 1916. 
ir, eee 



