JUN 25 190* 



TRANSACTIONS 



OF THE 



NATURAL HISTORY SOCIETY 



OF 



NORTHUMBERLAND, DURHAM, 



AND 



NEWCASTLE-UPON-TYNE. 



<Ne~Ktr Series.) 



VOL. II. 



WILLIAMS AND NORGATE, 



14, HENRIETTA STREET, COVENT GARDEN, LONDON; 



AND 



20, SOUTH FREDERICK STREET, EDINBURGH. 



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



JT"1906. 



