JAMES SWIFT & SON, | 
Manufacturers of Optical and Scientific Instruments, 
Contractors to all Scientific Departments of H.M. Home 
and Colonial and many Foreign Governments. — 
ee eee 
Grands Prix, Diplomas of Honour, and Cold 
Medals at London, Paris, Brussels, etc. 
MICROSCOPES | 
AND OTHER 
INSTRUMENTS FOR 
ALL BRANCHES OF 
GEOLOGY, 
MINERALOGY, 
PETROLOGY. 
Sole Makers of the 
“DICK”? MINERALOGICAL 
MICROSCOPES. 
Dr. A. HUTCHINSON’S 
UNIVERSAL CGONIOMETER. 
University Optical Works 
81 TOTTENHAM COURT ROAD, 
LONDON. 
NOW READY. 
THE FLOWERING PLANTS 
OF AFRICA : 
AN ANALYTICAL KEY TO) THE GENERA Or 
AFRICAN PHANEROGAMS. 
BY : 
FR. THONNER. 
XVI and 640 Pages, 150 Plates, | Map. Cloth. 
Price 15s. Net. ; 
o 
DULAU & CO., Ltd., 37 Soho Square, London, W. 
