SECRETARY'S REPORT 



143 



many cases, curtails the length of stay. A list of the season's in- 

 vestigators, with a brief summary of their interests, follows: 



Investigator 

 AJeUo, Dr. Libero, U. S. Public Health Service, 



Atlanta, Ga. 

 Anderberg, T., Sweden. 



Andrew, Dr. Warren, Bowman Gray School of 



Medicine, Winston-Salem, N. O. 

 Ansley, Dr. Hudson R., Columbia University, 



New York, N. Y. 

 Bloedel, Prentiss, University of California, 



Berkeley, Calif. 

 Blomberg, Dr. Rolf, Sweden and Ecuador. 



Boberg, Walter, Sweden. 



Bradley, John 0. Waterbury, Conn. 

 Bromfield, Louis, Malabar Farm, Lucas, Ohio. 

 Buchanan, Charles, Puerto Rico. 

 Burk, Gordan, Scripps Institution of Oceanog- 

 raphy, La Jolla, Calif. 



Chamberlain, Mrs. Florence, Des Moines, Iowa. 

 Clark, Dr. Walter, Eastman Kodak Research 

 Laboratories, Rochester, N. Y. 



Orookchewit, Hans, Amsterdam, Holland. 



Drury, Dr. William, Harvard University, Cam- 

 bridge, Mass. 



Dunn, Dr. and Mrs. E. R., Haverford College, 

 Haverford, Pa. 



Eisemnann, Dr. Eugene, New York, N. Y. 



Erickson, Clarence O., Paramount Pictures, 



Hollywood, Calif, 

 Geysa, Vanita von, Illinois. 

 Goelet, Dr. Robert, New York Zoological Society, 



New York, N. Y. 

 Goodale, Dr. Robert L., Boston, Mass. 

 Graham, Dr. E. H., U. S. Soil Conservation Sers^- 



ice, Washington, D. C. 

 Griffin, Dr. Donald R., Cornell University, 



Ithaca, N. Y. 

 Hartman, Dr. Frank M., Ohio State University, 



Columbus, Ohio. 



Helm, Boger, Museum 

 Paris, France. 



of Natural History, 



Principal interest or special 



study 

 Environmental factors. 



Member of Blomberg expedi- 

 tion. (See Dr. Rolf Blom- 

 berg.) 



Land mollusks. 



Sex determination in centi- 

 pedes. 

 Orientation in bats. 



Color photography, stills, and 

 sound recordings ; intensive 

 study of tropical wildlife. 



Member of Blomberg expedi- 

 tion. (See Dr. Rolf Blom- 

 berg.) 



Mollusks. 



Tropical flora and birds. 



Bird survey and habitats. 



Mammals and birds. 



Bird survey and nests. 



Review of Eastman Kodak ex- 

 posure tests; color photog- 

 raphy and sound recordings. 



Birds. 



Forest topography as affecting 

 bird life. 



Amphibians and reptiles and 

 rearrangement of island col- 

 lection. 



Continuation of long-range 

 bird studies. 



Appraisal of island for motion 

 film of army ants. 



Continuation of her painting. 



Birds, mammals, and flora. 



Bird studies. 

 Wildlife and flora. 



Orientation in bats. 



Continuation of studies on 

 adrenals of birds and mam- 

 mals. 



Fungi and environment. 



