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WATKINS & DONCASTER, 



sralists % /Mqufaeturers ef Er\ien\®\e§ ieal Apparatus ^Gabiqets, 



jep in Slock Apparatus required by collectors of Insects, Birds' Eggs, Plants, &c, 

 for which particulars apply for our Catalogue, pp. G8, which will be sent 

 post free to any address on application. 



"DIXON" LAMP NET (invaluable for taking Moths off street lamps without 



climbing the lamp justs), 2s. Gd. 



A very Large Stock of British and Foreign Insects and Birds' Eggs. 



1 AND MAMMALS PRESERVED AND MOUNTED BY FIRST-CLASS WORKMEN. 

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W. P. COLLINS, 



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t?pt tmhu 



Butterflies.) 



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WITH 664 COLOURED PLATES, 



PRICE OF THE WHOLE WORK, £26, 

 Published in 65 Parts, each with 10 Coloured Plates— Price of each Part, 8/-. 



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Important Natural History and Botanical Works 



3FFERED FOR SALE BY JOHN H. KNOWLES, NEW AND SECOND-HAND BOOKSELLER, 

 15, Rush Hill Road, Lavender Hill, London, S.W. 



ilson (W.) Bryologia Britannica : Mosses of Great Britain and Ireland. 



61 plain plates ; 8vo cloth ; 1855. £3 3s. Od. 

 ANOTHER COPY. Text complete (title-page and plates missing) ; new cloth. £1. 



A Catalogue of Natural History Works recently issued. Post free. 



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