152 



ANNUAL REPORT SMITHSONIAN INSTITUTION, 1952 



and at no expense to the Government. This research should receive 

 every encouragement. 



During the 1952 fiscal year, 48 scientists were on the island. The 

 high cost of transportation to the Canal Zone still keeps many from 

 coming, and some of those who do come cannot spend as much time 

 on the island as they would like. A list of the season's investigators, 

 with a brief summary of their researches, follows : 



Principal intereat or 



special *tudy 



Inspection of facilities for 



scientists. 

 Inspection of termite tests 



Investigator 



Atwater, Mr. and Mrs. R. M., executive secretary, 

 American Public Health Association. 



Beale, Dr. James A., in charge of division of forest 

 insect investigations, U. S. Bureau of Ento- 

 mology and Plant Quarantine. 



Blair, J. P., New York Zoological Society. 



Bourliere, Dr. F., professor of medicine, Faculty 

 de M6decine, Rue Huysmans, Paris. 



Brunn, Dr. Anton H., director of oceanographic 

 exploration, Danish Deep Sea Expedition 

 (1950-52). 



Bull, John L., Jr., secretary, Linnaean Society of 

 New York. 



Cherbonnier, Mr. and Mrs. E. C, member of advis- 

 ory council, Agricultural Research Administra- 

 tion, St. Louis. 



Dickinson, Sam, artist, University of Kansas, 

 Lawrence, Kans. 



Dunn, Dr. and Mrs. Emmett R., professor 

 zoology, Haverford College, Haverford, Pa. 

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



of 



Ellis, Dr. Hazel R., head of biology department, 

 Keuka College, Keuka Park, N. Y. 



Fairchild, Dr. Graham B., staff entomologist, Gor- 

 gas Memorial Laboratory, Panama City. 



Hall, Dr. E. Raymond, professor of zoology, Uni- 

 versity of Kansas, Lawrence, Kans. 



Ingles, Dr. and Mrs. Lloyd C, professor of zoology, 

 Fresno State College, Fresno, Calif. 



Jackson, Dr. William, Johns Hopkins University, 

 Baltimore, Md. 



Johnson, Hon. and Mrs. Leroy, Member of Con- 

 gress from California. 



Kelly, Mrs. Junea W., president, northern di- 

 vision, Cooper Ornithological Club, Alameda, 

 Calif. 



Study of tropical environ- 

 ment. 



Ecology of mammals, particu 

 larly primates. 



General observation. 



Birds and insects. 



Mammals and birds. 



Collection and preparation of 

 material for tropical-habi- 

 tat museum group. 



Reptiles and amphibians. 



Birds; published first com- 

 plete annotated list of birds 

 of island during year. 



Bird behavior ; fruit crow ; 

 general biology. 



Photography of tropical en- 

 vironment. 



Collection and preparation of 

 material for tropical- 

 habitat museum group. 



General zoology ; photo- 

 graphic record ; made first 

 record of 5-toed armadillo 

 (Cabassous centralis) on 

 the Island. 



Ecology of ants. 



Conservation. 

 Birds. 





