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NATURAL HISTORY 



TRANSACTIONS 





NORTHUMBERLAND AND DURHAM. 



VOL. IV. PART I, 



W/fl 



"*A 



^ JUf 12 1926 *. 



WILLIAMS AND NOKGATE, 



14, HENRIETTA STREET, COVENT GARDEN, LONDON; 



AND 



20, SOUTH FREDERICK STREET, EDINBURGH. 



F. & W. DODSWORTH, NEWCASTLE-UPON-TYNE. 



1871. 

 (PRICE NINE SHILLINGS.) 



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