1040 The American Naturalist. [Nov., 1891.] 
The Bulletin of the Essex Institute just issued (Vol. XXIII., 
Nos. 4, 5, and 6) contains the retrospect of the year 1890—91. 
From it we learn that the total additions to the library number 19, 102, 
of which 2,638 were bound volumes, 6,994 pamphlets, and 9,470 
serial. The receipts for the year were $6,708.71, and the income- 
earning property, $71,269.10. Nine members have died during the 
year. 
Dr. Martin Heidenhain is Prosector of Comparative Anatomy 
in the University of Wiirzburg. 




