ASSOCIATES OF THE INSTITUTION. 



HEADS OF DEPARTMENTS OF RESEARCH. 



Louis A. Bauer, Director, Department of Terrestrial Magnetism. 



Francis G. Benedict, Director, Nutrition Laboratory. 



Benjamin Boss, Director, Department of Meridian Astrometry. 



Charles B. Davenport, Director, Department of Experimental Evolution. 



*Arthur L. Day, Director, Geophysical Laboratory. 



George E. Hale, Director, Mount Wilson Observatory. 



J. Franklin Jameson, Director, Department of Historical Research. 



Daniel T. MacDougal, Director, Department of Botanical Research. 



George L. Streeter, Director, Department of Embrj'ology. 



Alfred G. Mayor, Director, Department of Marine Biology. 



OTHER INVESTIGATORS PRIMARILY CONNECTED WITH THE INSTITUTION. 



William Churchill, Associate in Primitive Philology. 

 Frederic E. Clements, Associate in Ecology. 

 Oliver P. Hay, Associate in Paleontology. 

 Elias a. Lowe, Associate in Paleography. 

 Sylvanus G. Morley, Associate in American Archeology. 

 George Sarton, Research Associate in the History of Science. 

 Esther B. Van Deman, Associate in Roman Archeology. 

 George R. Wieland, Associate in Paleontology. 



INVESTIGATORS PRIMARILY CONNECTED WITH OTHER ORGANIZATIONS. 



Carl Barus (Brown University), Research Associate in Physics. 

 Henry Bergen, Research Associate in Early EngUsh Literature. 

 V. Bjerknes (Geofysisk Institut, Bergen, Norway), Research Associate in Meteorology. 



E. C. Case (University of Michigan), Research Associate in Paleontology. 

 W. E. Castle (Harvard University), Research Associate in Biology. 



T. C. Ch.cmberlin, (University of Chicago), Research Associate in Geology. 



J. C. W. Frazer (Johns Hopkins University), Research Associate in Chemistry. 



John F. Hayford (Northwestern University), Research Associate in Physics. 



Henry M. Howe (Columbia University), Research Associate in Metallurgy. 



J. C. Kapteyn (University of Groningen), Research Associate of the Mount Wilson Solar 



Observatory. 

 L. B. Mendel (Yale University), Research Associate in Physiological Chemistry. 

 T. H. Morgan (Columbia University), Research Associate in Biology. 

 Frank Morley (Johns Hopkins University), Research Associate in Mathematics. 

 H. N. Morse (Johns Hopkins University), Research Associate in Chemistry. 



F. R. MouLTON (University of Chicago), Research Associate in Mathematical Physics. 

 E. L. Nichols (Cornell University), Research Associate in Physics. 



A. A. No YES (Massachusetts Institute of Technology), Research Associate in Chemistry. 

 Thomas B. Osborne (Connecticut Agricultural Experiment Station), Research Associate 



in Physiological Chemistry. 

 tH. L. Osgood (Columbia University), Research Associate in History. 

 T. W. Richards (Harvard University), Research Associate in Chemistry. 

 H. C. Sherman (Columbia University), Research Associate in Chemistry. 

 Edgar F. Smith (University of Pennsylvania), Research Associate in Chemistry. 

 John S. P. Tatlock (Leland Stanford Jimior University), Research Associate in Literature. 



♦Resigned October 1, 1918. fDied September 11, 1918. 



(V) 



