BIIV DING 
THE NATURALIST 
Volumes of THE NATURALIST for 
any year can be bound in a serviceable 
and attractive Cloth Case, dark blue 
and gilt lettered on back and side, price 
2>j§per volume, or post free 4/3. 
A. BROWN <& SONS, LIMITED 
40 GEORGE STREET, HULL 
WATKINS & DONCASTER 
NATURALISTS, 
36. STRAND. LONDON. W.C.2 
(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. 
GEOLOGICAL BOOKS, ETC., FOR SALE 
Prices include carriage or postage. Near offers considered 
especially for several items. 
4 Yorkshire Geological Society,’ from i860 (except 1861) to 1917 complete — 
5 vols. in cloth, remainder in paper covers — £ 4 . 
4 The Naturalist,’ 1889 to 1907, in cloth ; 1908 to 1917, in parts, £ 2 . 
Would consider applications for dividing above two publications 
to suit purchasers if necessary. 
West Yorkshire, by Davis and Lees. 1880, bound, 6/-. 
Geological Survey, Isle of Wight. 2nd edit., 1889, bound, out of print, 6/- . 
Geological Record. 1875-1889, 8 vols., bound, all published, 12 /-. 
Prices’ Manual of the Gault. 1880. 4 /-. 
Tempest Anderson’s Volcanic Studies. Vol. I., 1903, bound, 12 / 6 . 
Murchison’s ‘ Siluria.’ 1872, 2 vols., bound, text and plates, 8/-. 
Kayser-Lake, Text Book Comparative Geology, illustrated, bound, 4 /-. 
Mantell’s Pictorial Atlas of Fossil Remains, 74 plates, bound, 7 / 6 . 
Huxley’s Life and Letters, 2 vols., 3 portraits, ex-Library copy, bound, 7 / 6 . 
Prestwich’s Life and Letters, 1889, bound, 4 /-. 
Dr. Kane’s Arctic Explorations and Life, 3 vols., bound, fine engravings, 
10 /-. 
‘ Halifax Naturalist,’ 1896-1901, 5 vols. unbound (part 1 missing), but 
Flora of Halifax complete, 6 /-. 
30 Palaeobotanical Micro Slides, mostly by Lomax Co., varying in size from 
3X1 to 5x3 inches; also several vols. and pamphlets relating to 
Palaeobotany. Particulars and prices on receipt of stamped addressed 
envelope. 
WANTED. — Mills’ and Philips’ Diatomaceae of Hull District. 
Replies to— PLATT, Cartrefle, Wynnstay Road, 
Old Colwyn, North Wales. 
