DIRECTOR'S REPORT. 19 



ROBERT A. HARPER, Professor of Botany, Columbia University. 



E. NEWTON HARVEY, Assistant Professor of Physiology, Princeton 

 University. 



WINTHROP J. V. OSTERHOUT, Professor of Botany, Harvard Uni- 

 versity. 



II. INSTRUCTION. 



IVEY F. LEWIS, Professor of Biology, University of Virginia. 

 WILLIAM RANDOLPH TAYLOR, Instructor in Botany, University of 



Pennsylvania. 

 CONRAD ZIRKLE, Instructor in Botany, University of Virginia. 



LIBRARY. 



ROBERT P. BIGELOW, Librarian and Associate Professor of Zoology and 

 Parasitology, Massachusetts Institute of Technology. Librarian, 



PRISCILLA B. MONTGOMERY (Mrs. Thomas H. Montgomery, Jr.). 

 Assistant Librarian. 



CHEMICAL SUPPLIES.* 



OLIVER S. STRONG, Associate Professor of Neurology, Columbia 

 University, New York City, Chemist. 



SUPPLY DEPARTMENT. 



G. M. GRAY, Curator. A. M. HILTON, Collector. 



JOHN J. VEEDER, Captain. J. MC!NNIS, Collector. 



E. M. LEWIS, Engineer. F. G. GUSTAFSON, Collector in 

 A. W. LEATHERS, Head of Shipping Botany. 



Department. RUTH WINKLEY, Clerk. 



F. M. MACNAUGHT, Business Manager. 



HERBERT A. HILTON, Superintendent of Buildings and Grounds. 



* Compound microscopes, with two oculars and two objectives, rack and pinion 

 and fine adjustment, may be rented for the season at $7.00 each, provided notice 

 is received by the Business Manager not later than June 15. Microscopes are not 

 otherwise supplied by the Laboratory. See under Department of Chemical 

 Supplies (p. 29). 



