BOTANICAL WORKS 
FOR SALE AT 
WILLIAM WESLEY & SON, 28, Essex Street, Strand, London, W.C.2. 
Bancroft (K.) A handbook of the fungus diseases of West Indian Plants, 6 plates, 
8vo, boards, 1910. 4s 6d net 
Batters (E.) A catalogue of the British marine algse, 8vo, cloth, 1902. 3s net 
Bews (J.) The grasses and grasslands of South Africa, map and 24 engravings, 8vo, 
cloth , 1918. 9s net 
Borgesen (F.) The marine algae of the Danish West Indies. Vol. 1, Chlorophycese and 
phaecophyeese. Vol. 2 Rhodophyceae, with addenda (to Vol. 1), 605 engravings, 
2 Vols. in 3 parts, roy 8vo., sewed, 1913-20. £2 15s. 
Clements (F.) The genera of fungi, with index, 8vo, cloth, 1909. 12s net 
This work is an outgrowth of a translation of the Keys in the original eighteen 
volumes of Saccardo's sylioge fungorum. 
Cockayne (L.) New Zealand plants and their story, 99 photographs and 14 text figures, 
8vo, cloth, 1919. 7s 6d. 
or sewed 5s. 
Dayey (F.) Flora of Cornwall, being an account of the flowering plants and ferns 
found in Cornwall, including the Scilly Isles, map and 6 portraits, 
8vo, cloth, 1909. (Pub. £1 Is) 10s 6d net 
[Douglas] Journal kept by David Douglas during his travels in North America 
1823-27, with a particular description of 33 species of American oaks 
and 18 species of pinus with appendices containing a list of the plants introduced 
by Douglas. Edited by W. Wilks, portrait, cloth, roy 8vo, 1914 £1 Is net 
Linton (E.) Flora of Bournemouth, including the isle of Purbeck and the country 
within twelve miles of Bournemouth, map, 2nd edition, with appendix, 8vo, 
cloth, 1919. 5s 6d. 
Macvicar (S.) The student’s handbook of British hepatics, 279 engravings, 8vo, cloth, 
1912. 18s 6d net 
Mellor (T.) Common diatoms, with 400 drawings of diatoms from all parts of the world, 
and an introduction, 7 plates, 8vo., sewed, 1920; 6 s * 
“ A real help to all who collect and study diatoms, and to amateurs who are making 
collections of the ‘ common diatoms ’ of various countries. The labour devoted to the 
drawing of four hundred diatoms figured, from all parts of the world, must have been 
considerable and the information given in the introduction is admirably lucid.” 
(From The English Mechanic , March 19th, 1920). 
Small (J.) The origin and development of the Compositse, pp. XII and 334, 12 maps 
and 79 engravings, 8vo, half cloth, 1920. 
% 
TO CAMBRIDGE MICROSCOPISTS. 
Messrs. W. Watson & Sons, Ltd. 
BEG TO ANNOUNCE THAT 
Messrs. Hymans & Cox 
ARE THEIR SOLE AGENTS IN CAMBRIDGE 
for the sale of Microscopes, Objectives and 
accessories and hold a representative stock 
of instruments suitable for Pathology 
Zoology, Botany, etc., at makers’ lowest 
prices. 
WATSON MICROSCOPES & INSTRUMENTS are BRITISH MADE. 
The}' are known and used the world over, and are unsurpassed by the 
productions of any other maker, British or foreign. All local enquiries and orders 
should be addressed to HYMANS & COX, as below. Catalogues free. 
A GOOD SELECTION of SECOND-HAND MICROSCOPES by the best 
known makers—Watson, Swift, Baker, Zeiss, Leitz, etc., usually in stock. 
Good prices given or liberal exchange value allowed for old stands and lenses. 
HAND MAGNIFIERS, DISSECTING INTRUMENTS, 
STAINS & MOUNTING MEDIA, &c., &c., in stock. 
HYMANS & COX, 7, St. Andrews’s St., Cambridge 
