JUN 1 1907 



TRANSACTIONS 



OF THE 



NATURAL HISTORY SOCIETY 



OF 



NORTHUMBERLAND, DURHAM, 



NEWCASTLE-UPON-TYNE. 



f^N'^-ssBT SeB?ies. 



VOL. 



WILLIAMS AND NOROATE, 



14, HENRIETTA STREET, COVENT GARDEN, LONDON; 



AN]) 



20, SOUTH FREDERICK STREET, EDINBURGH. 



Jr 1904-1 



907. 



