NATURAL HISTORY 



TRANSACTIONS 



NOETHDMBERLAOT) AND DURHAM. 



VOL. I. PART III. 



WILLIAMS AND NORGATE, 



14, HENRIETTA STREET, COVENT GARDEN, LONDON; 



AND 



20, SOUTH FREDERICK STREET, EDINBURGH. 



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



