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NATURAL HISTORY 



TRANSACTIONS 



0? 



NORTHUMBERLAND AND DURHAM. 



PART I. VOL. IM,;^,,.. ...u^, 



Ijl 12 1926 -^j 



WILLIAMS AND NORGATE, 



14, HENRIETTA STREET, COYENT GARDEN, LONDON; 



AND 



20, SOUTH FREDERICK STREET, EDINBURGH. 



F. & W. DODSW^RTH, NEWCASTLE-UPON-TYNE. 



1869. 



