Dan Polhemus, Postdoctoral Fellow, University of Utah. 



"Systematics and Zoogeography of Neotropical Rhagovelia 

 (Insecta: Hemiptera: Veliidae)," with Richard Froeschner, 

 from December 1, 1988 to November 30, 1989. 



Kenneth Rasmussen, Postdoctoral Fellow, University of North 



Carolina, Chapel Hill. "Marine Biolithic Hardgrounds of 

 Northern Great Bahama Bank: Genesis, Development, and 

 Geological Significance," with Ian Maclntyre, from 

 September 1, 1989 to August 31, 1991. 



Susan Rasmussen, Postdoctoral Fellow, Indiana University. "A 



Balancing Act: Artistic Form and Sociopolitical Power in 

 Tuareg Aesthetics and Cosmology," with Mary Jo Arnoldi, 

 from June 1, 1989 to May 31, 1990. 



Cynthia Rebar, Short-Term visitor, Kansas State University. "A 

 Study of Relative Brain Size in the New World Family of 

 Rodents, Heteromyidae, " with Don Wilson, from January 1 to 

 May 15, 1989. 



Janet Reid, Senior Postdoctoral Fellow, North Carolina State 

 University. "Copepoda (Crustacea) from Semiterrestrial 

 Habitats in Central Brazil," with Thomas Bowman, from 

 October 1, 1988 to September 30, 1989. 



Judith Rhymer, Postdoctoral Fellow, Florida State University. 

 "Evolutionary Relationships in the Mallard Complex Using 

 Restriction Enzyme Analysis of Nuclear DNA," with Michael 

 Braun and Eugene Morton, from September 1, 1989 to August 

 31, 1991. 



Clive Roberts, Postdoctoral Fellow, Victoria University, 



Wellington, New Zealand. "A Survey of the Ctenoid Scale 

 Morphology in Percomorph Fishes and Analysis of its 

 Phylogenetic Significance," with G. David Johnson, from 

 March 1, 1989 to February 28, 1990. 



Jorge Rodriguez, visiting Scientist, Universidad Nacional de La 

 Plata. "Relations between Precolumbian Cultures of North 

 Eastern Argentina and the Tropical Lowlands to the North," 

 with Betty Meggers, from May 1, 1989 to April 30, 1990. 



Gene Sattler, Visiting Student, University of Maryland. 



"Breeding Introgression in Chickadee Contact Zones," with 

 Michael Braun, from January 1, 1989 to December 31, 1990. 



Patricia Sawaya, Visiting Student, University of Cincinnati. 



"A Molecular Investigation of Speciation in the Chickadees 

 Parus carolinensis and Parus atricapillus , " with Michael 

 Braun, from November 14, 1988 to June 13, 1990. 



72. 



