1986] Peeters & Crewe — Male biology in Ophthalmopone 283 
Acknowledgments 
We are grateful to R. H. Crozier for comments on the manu- 
script. We thank the Natal Parks Board for permission to work in 
Mkuzi Reserve, and Peter Goodman for his hospitality. This work 
was supported by grants from the University of the Witwatersrand 
and the Council for Scientific and Industrial Research. 
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