


NEW APPARATUS 
FOR 
PHOTOMICROGRAPHY 
OF TRANSPARENT AND OPAQUE OBJECTS 
FROM LOWEST TO HIGHEST MAGNIFICATION. 
SPECIAL APPARATUS FOR WHOLE INSECTS. 
NEW APPARATUS 
FOR THE 
DIRECT PROJECTION 
in Natural Colours of MICROSCOPICAL SLIDES, 
LANTERN SLIDES, OPAQUE OBJECTS (such as 
Book Illustrations, Photo Prints, Diagrams, Skin 
Diseases, &c.), and SPECTRA; all combined in 
one apparatus, or separately, as desired. 
Projection Microscopes. Eiectric Lanterns. Also 
Microscopes, Microtomes and Knives, Aplanatic 
Pocket Lenses, Prism Field Glasses, &c. 
E. LEITZ, 
(NOTE NEW ADDRESS) 
18, BLOOMSBURY SQUARE, LONDON, W.C. 
(A few doors from the British Museum.) 

POR SALE.—Arctic, Iceland, and Greenland Birds’ Skins. 
Well prepared; low prices. Particulars from G. DINESEN, 
- Saltvig, Bandholm, Lolland, Denmark. 


ANTED. —Information as to places such as Caves, Old 
Houses, or Church-towers, where BATS hibernate in numbers. 
FE. J. COX, “ Fairfield,’ Western Road, Tring, Herts. 

Cloth extra, Foolscap 8vo. Price 1s. 6d. Postage 2d. 
INSECT HUNTER’S COMPANION 
By tHe Rev. JOSEPH GREENH, M.A. 
Behe He Deed © IN. 
Entirely revised, and extended, by A. B. FARN. 
DB The Chapter on Coleoptera by Epwarp Newman; on Hymenoptera by 
FREDERICK SMITH; on Breeding Galiflies by WDwarD A. Fircu. 
London: WEST, NEWMAN 4 CO., 54, Hatton Garden, E.C. 

