Jean-Philippe Boubli, Short-Term Fellow. "Time Allocation, Diet, and 



Selection of Feeding Substrate in Sanquinus oedipus qeoffroyi of Barro 

 Colorado Island," with Nicholas Smythe, from June 1 to August 31, 1990. 



Christian D'Orgeix, Short-Term Fellow. "Multiple Paternity of the From 



Agalvchnis callidrvas ," with Stanley Rand, from August 10 to November 

 10, 1990. 



Ovidio Duran, Exxon Fellow, University of Panama. "Determinacion del grado de 

 Heterocigosidad Gentica de las Abejas Af ricanizadas en Panama," with 

 David Roubik and Felicita Sousa, from February 1 through April 30, 1990. 



Stephen T. Emlen, Senior Postdoctoral Fellow, University of Michigan. "The 

 Evolutionary Consequences of Behavioral Sex Role Reversal," with A. 

 Stanley Rand, from June 1, 1990 to April 15, 1991. 



Pierre-Michel Forget, Postdoctoral Fellow, Universite de Paris 6. "Seed 



Dispersal by Large Rodents in South American Tropical Forests," with 

 Nicholas Smythe, from November 1, 1989 to October 31, 1990. 



Ulisses Galatti, Latin American Fellow, Intituto Nacional de Pesquisas da 

 Amazonia. "Variation in Morphology Vocalization and Habitat of 

 Leptodactvlus pentadactylus in Panama," with Standley Rand, from May 7 

 through August 7, 1990. 



Manuel Guariguata, Short-Term Fellow, Yale University. "Sprouting Ability in 

 Canopy Tree Juveniles," with Alan Smith, from July 2 through October 10, 

 1990. 



James L. Hamrick, Senior Fellow, University of California, Berkeley. "Causes 

 of Genetic Structure in Tropical Tree Populations," with Alan Smith, 

 from October 1, 1989 to August 31, 1992. 



Edward A. Herre, Visiting Scientist, University of Illinois. "The Biology of 

 Nematode Parasites of Fig Wasps," with Donald Windsor from April 15 to 

 December 14, 1990. 



Kevin Hogan, Visiting Scientist, University of Illinois. "Physiological and 

 Ecological Implications of a Geographic Gradient in Rainfall for Some 

 Tropical Understory Shrub Species," with Alan P. Smith, from December 1, 

 1988 to September 30, 1990. 



Weishan Jin, Short-Term Fellow. "Leaf Lifetime and Plant Antiherbivore 

 Defense," with Alan Smith, from September 12 to December 18, 1990. 



Kenneth G. Johnson, Predoctoral Fellow, University of Iowa. "Testing for 

 Natural Selection on Corals: Patterns of Skeletal Morphology, 

 Fertility, and Genetic Variation in Natural Populations of Manicina 

 areolata (Scleractinia) , " with Nancy Knowlton, from October 1, 1989 to 

 September 30, 1990. 



Frank J. Joyce, Postdoctoral Fellow, Cornell University. "Nest-Site Selection 

 by Two Species of Neotropical Social Wasps," with Mary Jane West- 

 Eberhard, from May 1, 1990 to June 30, 1991. 



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