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4
General Operations.
Work performed.
The work, as in previous years, has consisted largely of the labelling determination and registration of new and old material. This branch of our work owing to greater demands on our time from other directions has not progressed as far as in the previous year. Still under the circumstances I believe as much has been done as our opportunities would allow and it has been done in a thorough and efficient manner. 

A considerable amount of time has been spent in putting in order the Lea collection of Unionidae for exhibition. Seven cases have been arranged but the