WHELDON & WESLEY, Ltd. 
THE SCIENTIFIC AND NATURAL HISTORY BOOKSELLERS, 
Have in stock nearly all requirements in books, pamphlets, and periodicals relating to Chem- 
istry, Agriculture, Gardening, Forestry, Botany (Systematic, Economic, and Geographical), 
Zoology, (including Ornithology, of which the stock is prolDably the largest in the world. 
Systematic and Economic Entomology, works on Mammalia,' Reptilia, Fish and Fisheries, 
Mollusca, Invertebrata, etc) 7 Microscopy, Geology, Palaeontology, Mineralogy, Mining, 
Metallurgy, etc., both new and second-hand. 
Catalogues of any subject, price 2d. each. Any book quoted 00 application, and those 
not in stock sought for without charge. 
We beg to draw attention to the fact that we hold the largest stock in the country of 
JOURNALS AND TRANSACTIONS OF SCIENTIFIC SOCIETIES, 
Including Transactions and Proceedings, etc, of the Royal Society, Linnean Society and 
Zoological Society of London, Journals of the Chemical, Chemical Industry, Geological, 
Geographical, Royal Microscopical, Royal Agricultural, Horticultural, Astronomical, Physical, 
and other Societies, Proceedings of numerous local Natural History Societies, also Nature, 
Ibis, Zoologist,, Curtis's Botanical Magazine, Journal of Botany, and numerous other Period- 
icals, British and Foreign, 
Sets, runs, odd vols., and numbers quoted for on application. 
Subscriptions taken for all Scientific and other Journals, which will be posted regularly 
on issue. 
Libraries and parcels of Natural History and Scienti^c Books purchased. 
38, GREAT QUEEN STREET, KINGSWAY, LONDON, W.C. 2. 
Telephone: .GERRARD 1412, 
AND 28, ESSEX STREET, STRAND, W.C. 2. 
(Telephone: CITY 2322). 
BOOKBINDING UNDERTAKEN BY EXPERIENCED WORKMEN. 
PHOTOMICROGRAPHS 
HIGH GRADE RESULTS MADE FROM YOUR MATERIAL 
BLACK AND WHITE OR DIRECT COLOR PHOTOS 
ORDINARY OR POLARIZED LIGHT 
LANTERN SLIDES OR PRINTS FURNISHED 
PLAIN OR HAND-COLORED SLIDES OF BOTANICAL 
SUBJECTS FOR SALE 
oAsk for subjects desired 
ARTHUR G. ELDREDGE 
Box 83, Univ. Sta. Urbana, Illinois 
Always mention the JOURNAL OF BOTANY when answering our advertisements. 
