CONTENTS 
/ Pages 
No. 1—Some Bacterial Organisms cecurring in the Clam (Mya arenaria) 
which may produce “Blackening” in Tins, by Jennie L. 
syinons, VieSes, MeGill University. >. .00 0.5... gots ee eee 
No. 2—A Study of the Sea Mussel (Mytilus edulis, Linn), by Bessie 
Ke BP: Mossop,eM-aA. - University of Voronton. fe. fcc5 05.4 15-48 
