CONTENTS. 



r-AGE. 



On the Classification of the Animal Kingdom. — No. 3. By F. M. 



Burton, Esq 117 



Birds' Nests. By 0. S. Round, Esq 127 



On Unity of System 132 



An Entomological Dream 134 



Addenda to the Birds of Nova Scotia. By Major Wedderburn. 136 



Systema Naturae. By The Editor 136 



Miscellaneous Notices. — A Natural Curiosity. Occurrence of the 

 Tree Sparrow in Devonshire. The Common Bittern. The First 



Egg. Insects of the Beetle Tribe 137 



Review. — The Natural History Review 139 



The Querist. — Setting of Hymenoptera 140 



NOTICES TO CORRESPONDENTS. 



Communications have been received from T. K. Atkinson, Esq.; — T. Fuller, 

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 Esq.; — Mr. T. Foggit. 



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 and Parcels, to the care of Messrs. GROOMBRIDGE, 5, Paternoster 

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