WHELDON ^ WESLEY, LTD., 
38, Great Queen Street, 
KINGSWAY, LONDON, W.C. 2. 
W HELDON &■ WESLEY, LTD., are open to 
purchase libraries, sets of periodicals and early 
printed books. 
They offer expert assistance for the valuation or 
sale of books generally. 
They will send quotations for books in any depart¬ 
ment of the natural and pure sciences from their 
stocks at 38, Great Queen Street and 28, Essex Street, 
Strand, W.C. 2. 
Messrs W. HEFFER & SONS, Ltd., Booksellers, CAMBRIDGE 
are open to purchase at fair market prices, Complete Sets or Long Runs 
of the following: 
Andrews. Roses. 
Annales Agronomiques. 
Annales des Sciences Naturelles. 
Berichte d. Deutschen Botanischen 
Gesellschaft. 
Botanische Zeitung. 
Bulletin de la Societe Botanique. 
Centralblatt fur Agrikulturchemie. 
Centralblatt fur Bakteriologie. 
Curtis. Botanical Magazine. 
Deutsche Landwirtschaftliche 
Presse. 
Edwards. Botanical Register. 
Flora od. Allgem. Botanische 
Zeitung. 
Gartenflora, hrsg. v. Wittmack. 
Librarians, Professors, Executors, and others desirous of disposing of 
the above or any other Scientific Periodicals and Books, including 
complete Libraries (both English and Foreign), are invited to com¬ 
municate with them. 
They also invite enquiries for Scientific Books and Periodicals of which 
they carry an immense stock. 
Now ready — Catalogue 197 , including an important collection 
of Botanical Books from the Library of an eminent Professor. 
Telegrams and Cables “ HEFFER, CAMBRIDGE ” Telephone 826 (2 lines) 
Jahresberichte der Agrikultur¬ 
chemie. 
Journal of Botany. 
Journal fur Landwirtschaft. 
Landwirtschaftliche Jahrbiicher. 
New Phytologist. 
Pringsheims Jahrbiicher. 
Revue generale de Botanique. 
Revue Horticole. 
Roses, Fine Books on, English and 
Foreign. 
Saccardo Sylloge Fungorum. 
Zeitschrift des Vereins der Deut¬ 
schen Zucker Industrie. 
Zeitschrift fur Botanik. 
