OCT 31 1916 



TRANSACTIONS 



OB' THE 



NATURAL HISTORY SOCIETY 



OF 



NORTHUMBERLAND, DURHAM, 



AND 



NEWCASTLE-UPON-TYNE. 



(TSte>-ii%r Series.) 



VOL. IV-PART II, 



LONDON : 



WILLIAMS and NQRGATE, 

 14, Henrietta Street, Covent Garden, 



1916. 

 Price Three Shillings and Sixpence. 



