

S DEC 21 



NATURAL 



fe^art mA §\[0^4iW 



BELFAST 



Natural History and Philosophical Society 



FOR THE 



SESSION 1918-1919. 



BELFAST : 



MAYNE, BOYD & SON, Ltd., 2 CORPORATION STREET 



{printers to the queen's UNtVERSITY). 



1920. 



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