



NATURAL HISTORY 



TRANSACTIONS 



OY 



NORTHUMBERLAND, DURHAM, 



AND 



NEWCASTLE-UPON-TYNE. 



VOL. XII -PART I. 



PRICE SEVEN SHILLINGS AND SIXPENCE. 



WILLIAMS AND NOEGATE, 



14, HENBIETTA STREET, CO VENT GARDEN, LONDON ; 



AND 



20, SOUTH FREDERICK STREET, EDINBURGH. 

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



1899. 

 (All Rights Resekved.) 



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