( 10 ) 
THE REFERENCE BOOK FOR MICROSCOPISTS. 
Fourth Edition. Illustrated by 53 Plates and numerous "Woodcuts, giving figures of 
nearly 3000 objects. Medium 8vo, £2 12s, 6d, 
GRIFFITH AND HENFREYS 
MICROCRAPHIC DICTIONARY. 
A Guide to the Examination and Investigation of the Structure and Nature of 
Microscopic Objects. Edited by J. W. Griffith, M.D., &c. ; assisted by the Rev. 
M. J. Berkeley, M.A., F.R.S., F.L.S., and T. Rupert Jones, F.R.S., F.G.S., Professor of 
Geology, Sandhurst, &c. - 
GUENET & JACKSON 
Q Successors to MR. VAN VOORST ), 
1, PATERNOSTER ROW, 
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CONDENSERS, &c. 
New Homogeneous Immersion Objectives. 
N.A. 1-28 .. .. £3. J-in.N.A. 1-27 .. .. £12. ^in.N.A.1-26 .. .. £15. 
Correction Collar to either of the above, £1 10s. extra. 
NEW SERIES OF AP0CHR0MATIC OBJECTIVES. 
Dry Achromatic Condenser . . 
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Catalogues free on application. 
C. REICHERT, 
Vienna, VIII. Bennogasse 26, 
MANUFACTURER OF 
= FIRST-CLASS = 
Microscopes and Objectives, 
NEW SEMIAP0CHR0MATICS. 
Catalogues and Price Lists in English, French, Italian, and German. 
THE BRITISH MOSS FLORA. 
By K. BKAITHWAITE, M.D. 
Part X., Tortulac.®, price 10s. Subscriptions to Sect. 4 (10s. 6 d.) may be sent to the 
Author. Vol. I„ price £2 10s., is published by 
LOVELL KEEVE & CO., 5, HENRIETTA STBEET, C0VENT GAKDEN. 
£8 8 0 
£2 0 0 
£12 0 0 
