Report of the President 53 



To cooperate with the Curator, President Osborn has invited 

 the following well-known scientific men to serve as an 

 Appointive Committee for 191 1: 



Dr. Simon Flexner, Director of the Rockefeller 

 Institute of Medical Research. 



Mr. John M. Glenn, Director of the Sage Founda- 

 tion. 



Mr. J. Waldo Smith, Chief Engineer of the Board of 

 Water Supply. 



WOODS AND FORESTRY 

 Mary C. Dickerson, In Charge 



Work has progressed in the arrangement of the trees 

 of the Jesup Collection in natural groups or families with 

 the specimens of market value made prominent in these groups, 

 also on the work on wax models of leaves, flowers and fruits, 

 and on comprehensive descriptive labels. The department 

 has extended its services to many commercial and private 

 interests in and about New York City for identification of 

 woods, and to high schools in the formation of outlines for 

 study of the trees in the Jesup Collection. 



Through the courtesy of the United States Forest Service, 

 Doubleday, Page & Company, and the J. Horace McFarland 

 Company, collections of valuable tree and forest photographs 

 have been obtained to be used in the Forestry Hall for sepia 

 enlargements and colored transparencies. Plans are in hand 

 for increasing the usefulness of the hall at this time when 

 forestry is to all people a question of national importance, by 

 adding correlated exhibits in the alcoves between the cases of 

 the Jesup Collection. These will illustrate forest conservation 

 with effects on soil erosion and soil fertility, practical work in 

 growing trees, as well as the value of trees for public health — 

 thus embodying the original interests of Mr. Jesup. 



The department has in press a Guide Leaflet, Trees and 

 Forestry, to accompany the Jesup Collection. It presents the 

 status of the forest conservation question in 19 10, gives 

 elementary facts concerning the life and structure of a tree, 



