44 
Psyche 
[March 
species is named in honor of Professor William Morton Wheeler, 
renowned authority on ants and their inquilines. 
Acknowledgments 
The authors would like to express their sincere thanks to the 
following institutions and individuals for the loan of specimens in 
their care: J. F. Gates Clarke, T. J. Spilman, and J. M. Kingsolver, 
United States National Museum (USNM), Washington, D. C. ; 
H. S. Dybas, Chicago Natural History Museum (CNHM), Chi- 
cago, 111.; J. Balfour-Browne, British Museum (Natural History) 
(BM), London, England; E. Taylor, Hope Department of En- 
tomology, Oxford, England; A. Martinez, Buenos Aires, Argentina; 
M. A. Vulcano, K. Lenko and W. C. A. Bokerman, Departamento 
de Zoologia, Secretaria da Agricultura, (CDZ), Sao Paulo, Brazil; 
R. W. Hamilton and B. D. Valentine, Ohio State University, 
Columbus, Ohio; M, Alvarenga and T. Borgmeier, Rio de Janeiro, 
Brazil. For determination of ants and other information, special 
thanks are given to R. W. Taylor and E. O. Wilson, Harvard 
University, Cambridge, Mass, and to W. W. Kempf, Sao Paulo, 
Brazil. 
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