Robert J. O'Hara, Postdoctoral Fellow, Harvard University. "The Phylogeny of 

 the Swifts (Aves: Apodidae), with an Investigation of the Use of 

 Continuously Varying Characters in Cladistic Analysis," with Richard 

 Zusi, from September 1, 1990 to August 31, 1991. 



Thomas J. Parsons, Postdoctoral Fellow, University of Washington. "Molecular 

 Phylogeny of the Paleognathous Birds," with Michael Braun, from October 

 1, 1990 to September 30, 1992. 



Gustav Paulay, Postdoctoral Fellow, University of Washington. "Pacific 



Bivalve Biogeography : A Mosaic of Historical and Ecological Factors," 

 with Thomas Waller, from January 5, 1990 to January 4, 1991. 



Cynthia Pinkston, Visiting Student, University of Maryland. "Pre-Columbian 

 Collecting at the National Museum of Natural History, " with Candance 

 Greene, from May 15 to August 15, 1990. 



Giovanni Randazzo, Visiting Scientist, Universita di Catania. 



"Sedimentilogical Research on Nile Delta Soil Borings to Define the 

 Recent Evolution of the Nile Delta of Egypt," with Daniel Stanley, from 

 February 15, 1990 to January 14, 1991. 



Kurt Roggensack, Graduate Student Fellow, Dartmouth College. "Mineralogy of 

 Mexican Shield Volcanoes and Cinder Cones," with William Melson, from 

 July 2 to September 10, 1990. 



Fatimah T. Rony, Graduate Student Fellow, Yale University. "Early 



Ethnographic Film in the U.S., France, and England, 1895-1922," with 

 Wendy Shay, from July 1 to August 31, 1990. 



Regas Santas, Visiting Scientist, George Washington University. "The 



Restoration of Massassoit Lake, Springfield, Massachusetts," with Walter 

 Adey, from March 15 to November 14, 1990. 



Annemette B. Scharff, Suzanne Liebers Erickson Exchange Visitor, The Royal 



Academy of Fine Arts. "A Study of Tapa: Causes for its Deterioration 

 and Conservation Problems," with Natalie Firnhaber, from February 1 to 

 August 14, 1990. 



Nikolaj Scharff, Visiting Scientist, University of Copenhagen. "Biogeography 

 and Phylogeny of Spiny Orb-Weaving Spiders," with Jonathan Coddington, 

 from February 1 to July 31, 1990. 



C. Lavett Smith, Visiting Scientist, University of Michigan. "Continuing 

 Studies on the Systematics, Habitat Preferences, and Vertical 

 Distribution of Several Poorly Known Species of Coryphopterus Gobies and 

 Apoqou Cardinal Fishes on the Drop-Off Reef," with James C. Tyler, from 

 November 1, 1989 to May 1, 1990. 



Deborah R. R. Smith, Visiting Scientist, Cornell University. "Isozyme and 



Mitochondrical DNA Analysis of Species in the Spider Genus Anelosimus , " 

 with Jonathan Coddington, from January 1 to December 31, 1990. 



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