1972] 
Gotwald — Oecophylla 
355 
Acknowledgments 
I am grateful to the following individuals for providing facilities 
and assistance during my field studies in Ghana: Professor D. W. 
Ewer, Chairman, Mr. Dennis Leston, Senior Research Associate, 
and Mr. Jonathan Majer, graduate student, Department of Zoology, 
University of Ghana; Dr. E. J. A. Asomaning, Director, and Dr. 
Harry Evans, Pathologist on the British Research Team, Cocoa Re- 
search Institute of Ghana; Mr. Asibey, Chief Game and Wildlife 
Officer, and Mr. G. A. Punguse, Department of Game and Wild- 
life. I am also grateful to Dr. William L. Brown, Jr., Cornell 
University, for critically reading the manuscript, and to my wife, 
Joanna, for typing the several drafts of the manuscript. The re- 
search was supported by National Science Foundation Grant GB- 
22856. 
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