THE ‘BRADY CABINET. 
Ten Shillings per Drawer. 
These Calieets are acknowledged by all purchasers for their 
‘superior workmanship. Drawers 17 in. by 16 in., on an improved 
_dust-tight principle and guaranteed interchangeable. With Plate- 
glass or Mahogany Panels to Doors. . 
Sample Drawer, with copy of Testimonials, sent on application. 
2 ©. BRADY & SONS, 368, Lower Fore St., Edmonton, N., doe | 
“NATURAL HISTORY STORES IN THE HEART OF THE CIT. 
i MESSRS. J. & W. DAVIS, Museum Works, Dartford, 
beg to announce that they have now opened a London Branch at 
29, Paternoster Row, for the sale of their specialities for naturalists, ~ 
- manufactured by them at their Works. 
A large stock of every kind of Entomological Apparatus, Naturalist’s and 
_ Taxidermist’s Requisites ; also British and Exotic Lepidoptera, Birds’ Eggs 
_ {single and in clutches). Skins and Stuffed Birds, Artificial Eyes, Label 
- Lists, Natural History Books, &c., kept in stock. Illustrated Catalogues, 2d. 
‘The Macro-Lepidopterists’ Calendar and Guide,’ 2s. 6d.; stiff cloth, 3s. 
- ‘Larvee Collectors’ Guide,’ 1s. Entomologists’ ‘data’ Books, 1s. 
They hope to be favoured with a visit from their numerous customers 
_ residing in London, and also those who may be visiting the City, to. their 
Showrooms and Offices, which are centrally situated, bemg within a 
minute’s walk of St. Paul’s Cathedral. All orders in future should be 
addressed :— 
J. & W. DAVIS, 29, Paternoster Row, London, E.C. 
A. LION EE CLARKE 
NATURAL-HISTORY AGENT, UU ROAD, GLOUCESTER, 
(Oppost 08 
S1UPPLIES Collectors with every kind of eis for the various branches of 
Natural History: Cabinets, Store Boxes, Butterfly Nets, &c. 
‘BIRDS’ EGGS, SKINS, LEPIDOPTERA and COLEOPTERA, &c., kept 
in stock in large quantities. 
~The Jargest stock of Eaas in England to select from, including many very rare 
species. List of clutches sent if desired. Large buyers liberally dealt with. 
Revised List of British LEPIvoPTERA, now ready, post free. 
NEW AND SECC. D-HAND BOOKS. 
Taxipermy. Birds skinned and prepared for Cabinets or mounted by skilled assistants 
Full general Catalogue and Special List of Eacs and Sxivs, post free. 
N.B.—No agents, and only one address as above. 
EXPERIMENTS ON THE 
SEASONAL DIMORPHISM of LEPIDOPTERA 
By Dr. AUGUST WEISMANN. 
Translated from the German by W. E. Nicnozson, F.E.S. This very interesting paper 
appeared in seven numbers of the ‘Entomologist’ in 1896, and occupies 60 pages in 
its more convenient form as a separate pamphlet. Price 1s., postage 1d. 
_ London: WEST, NEWMAN ¢€ CO., 54, Hatton Garden, E.C. 
