

NATURAL HISTORY 



TRANSACTIONS 



NORTHUMBERLAND AND DURHAM. 



VOL. IV. PART li. 



WILLIAMS AND NORGATE, 



14, HENRIETTA STREET, COVENT GARDEN, LONDON ; 



AND 



20, SOUTH FREDERICK STREET, EDINBURGH. 



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



1872. 



(PRICE SEVEN SHILLINGS AND SIXPENCE.) 



