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THE WORLD OF INSECTS ; a Guide to its Wonders. 

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ELEMENTS OF ENTOMOLOGY; an Outline of the Na- 

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A MANUAL OF BRITISH BUTTERFLIES AND 

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PRACTICAL HINTS RESPECTING MOTHS AND 

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THE NATURAL HISTORY OF THE TINEIN^. By 

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ON THE VARIATION OF SPECIES. By T. Vernon 

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ON A TRUE PARTHENOGENESIS IN MOTHS AND 

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THE ENTOMOLOGIST'S ANNUALS for 1855, 1856, 

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