Amnon Freidberg, Visiting Scientist, Tel Aviv University. 



"Systematic Research on Old World Fruit Flies, Especially 

 Important Pest Species of the Genera Ceratitis and Dacus," 

 with Wayne Mathis, from October 3, 1988 to October 2, 1989. 



Ronald Fritzsche, Visiting Scientist, University of California, 

 San Diego. "Survey of the Ichthyo Fauna of Twin Cays, 

 Belize," with G. David Johnson, from November 1, 1988 to 

 May 15, 1989. 



Jon Gelhaus, Postdoctoral Fellow, University of Kansas. 



"Systematics and Biogeography of the Tipula ( Lunatipula ) 

 Tergata Species Group (Diptera: Tipulidae) , H with Wayne 

 Mathis, from January 16, 1989 to January 15, 1990. 



Marian Hansson, Visiting Scholar, University of Oklahoma. "The 

 Kiowa at the Smithsonian or Getting the Collection Back to 

 the People," with William Merrill, from December 1, 1988 to 

 August 31, 1989. 



Valerie Haskins, Predoctoral Fellow, Washington University. 



"Health and Disease of the Archaic Shell Mound Inhabitants 

 along the Green River, Kentucky," with Donald Ortner, from 

 March 1, 1989 to February 28, 1990. 



Peter Heaney, Postdoctoral Fellow, Johns Hopkins University. "X- 

 Ray Powder Diffraction of Microcrystalline Silica 

 Varieties," with Jeffrey Post, from July 24, 1989 to July 

 23, 1990. 



Gordon Hendler, Visiting Scientist, The University of 



Connecticut. "An Electrophysiological and Behavioral 

 Investigation of the Ophiuroid Photoreceptor System," with 

 David Pawson, from February 1 to May 1, 1989. 



Teruaki Ishii, Senior Postdoctoral Fellow, University of Tokyo. 

 "Petrological and Mineralogical Studies of Modern and 

 Ancient Submarine Arc-Volcanism and Arc-Evolution along the 

 Hakone-Izu-Ogasawara Arc," with Richard Fiske, from June 1, 

 1989 to March 31, 1990. 



Paul Koch, Postdoctoral Fellow, University of Michigan. "The 

 Effects of Weathering on the Carbon and Oxygen Isotope 

 Composition of Bone," with Anna Kay Behrensmeyer , from 

 September 18, 1989 to September 17, 1990. 



Carey Krajewski, Postdoctoral Fellow, University of Wisconsin, 

 Madison. "A Molecular Systematic Study of the Extinct 

 Tasmanian Wolf (Marsupialia: Thylacinidae ) , " with Michael 

 Braun, from August 1, 1989 to July 31, 1990. 



Kim Lanphear, Postdoctoral Fellow, State University of New York, 

 Albany. "The Health of Southern Slaves Compared to that of 

 the Laboring Population of the Northeastern U.S.," with 

 Douglas Owsley, from September 1, 1989 to August 31, 1990. 



70 



