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2
[[Letter-head pre-printed in red]]
UNITED STATES NATIONAL MUSEUM
UNDER DIRECTION OF
THE SMITHSONIAN ISTITUTION
WASHINGTON [[/Letter-head]]

Some further experiments on the action of atropine on the heart, and blood of different temperatures upon the same form the subject of separate small papers published, in the proceedings of this museum.

2nd. [[underlined]] Chemical Work.[[/underlined]] Several specimens of Cinchona barks from Guatemala and Costa Rica have been chemically and quantitatively examined and theirs alkaloids determined. A chemical examination of all the different species of Cinchona barks in this collection, numbering over 100, was begun early in June and is still in progress. The results promise to be of great importance in a commercial point of view and will be embodied in a special report. 

3rd. [[underlined]] Microscopical Work [[/underlined]] A study of the structure and anatomy of Glottidea pyramidata  has been completed and  the manuscript with four plates of drawings handed to the Asst. Director of this