THE MARINE BIOLOGICAL LABORATORY. 293 



WILLIAM RANDOLPH TAYLOR, Instructor in Botany, University oi 

 Pennsylvania. 



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.), As- 

 sistant Librarian. 



CHEMICAL SUPPLIES.* 



OLIVER S. STRONG, Associate Professor of Neurology, Columbia 

 University, New York City, Chemist. 



SUPPLY DEPARTMENT. 



G. M. GRAY, Curator. A. W. LEATHERS, Head of Ship- 



JOHN J. VEEDER, Captain. ping Department. 



E. M. LEWIS, Engineer. A. M. HILTON, Collector. 



J. MelNNis, Collector. 



F. M. MACNAUGHT, Business Manager. 



HERBERT A. HILTON, Superintendent of Building and Grounds. 



2. INVESTIGATORS AND STUDENTS 1921. 



INDEPENDENT INVESTIGATORS Zoology. 



ADDISON, WILLIAM H. F., Professor of Histology and Embryology, University 

 of Pennsylvania. 



ADOLPH. EDWARD F., University of Pittsburgh. 



ALLEE, WARDER C., Assistant Professor of Zoology, University of Chicago. 



ALLEN, EZRA, Head of Biology Department, Ursinus College. 



BAKER, HORACE B., Instructor, University of Pennsylvania. 



BIGELOW, ROBERT P., Associate Professor of Zoology and Parasitology, Massa- 

 chusetts Institute of Technology. 



BORING, ALICE M., Associate Professor of Zoology, Wellesley College. 



BOWEN, ROBERT H., Instructor in Zoology, Columbia University. 



CALKINS, GARY N., Professor of Protozoology, Columbia University. 



CAROTHERS, ELEANOR E., University of Pennsylvania. 



CARROLL. MITCHELL, Professor of Biology, Franklin and Marshall College. 



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

 pinion and fine adjustment, may be rented for the season at $7.00 each, pro- 

 vided notice is received by the Business Manager not later than June i. 

 Microscopes are not otherwise supplied by the Laboratory. 



