DEC 23 1321 



TRANSACTIONS 



, OF THE 



NATURAL HISTOllt SOCIE IT 



OF 



NORTHUMBERLAND, DURHAM, 



AND 



NEWCASTLE-UPON-TYNE. 



VOL. V. 



LONDON : 



WILLIAMS AND NORGATE, 

 14, Henrietta Street, Covent Garden. 



1918-1921. 



C 



