(323) 



In addition to the above list, the following party of 

 students was granted the privileges of the tropical labor- 

 atory at Cinchona during the months of June and July: 

 Professor Duncan S. Johnson, Messrs. W. H. Brown, 

 A. R. Middleton, L. W. Sharp, and H. H. York, from 

 Johns Hopkins University, and S. H. Derickson, from 

 Lebanon Valley College. The party was engaged in the 

 study of ecological and cytological problems. 

 Respectfully submitted, 



Fred J. Seaver, 

 Director of the Laboratories. 



