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fjaturalists % /Aaqufaeturens ef Br\i®n\e\@§ leal Apparatus ^Gabiqets, 



Keep in Stock Apparatus required by collectors of Insects, Bh*ds' Eggs, Plants, &c., 

 for which particulars apply for our Catalogue, pp. 68, which will be sent ' 

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



climbing the lamp post&), 2s. 6d. 



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



BIRDS AND MAMMALS PRESERVED AND MOUNTED BY FIRST-CLASS WORKMEN, 



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Important Natural History and Botanical Works 



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

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Wilson (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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