THE 



ESSEX NATURALIST 



BEING THE 



Journal of tbe jBbbc^ Jfiel^ Club, 



EDITED BY 



WILLIAM COLE, F.L.S., F.E.S. 



Honorary Secretary. 



VOLUME XII. 



JANUARY, 1901— DECEMBER, 1902. 



" Men that undertake only one district are much more likely to advance 

 natural knozvledge than those that grasp at more than they can possibly he 

 acquainted with. Every kingdom, every province, should have its own 

 Monographer.'' — Gilbert White, of Selborne. 



"Call tilings by their right names.'' — Robert Hall. 



[The authors alone are responsible for the statements and opinicns contained in then 



respective papers] 



PUBLISHED BY THE CLUB, AT THE ESSEX MUSEUM 

 OF NATURAL HISTORY, STRATFORD, ESSEX. 



1902. 



