ACKNOWLEDGMENTS

I am grateful to the Costa Rican Park Service and to a succession of directors at Sirena Station for allowing long-term research in Corcovado Park. Many past students and associates have helped gather data, have provided unpublished manuscripts, reprints, and discussions, or have helped in other important ways. Thanks to W. Benson, J. Billington, C. Boggs, S. Boinski, S. Bramblett, K. Brown, R. Canet, P. Chai, M. Condon, P. DeVries, C. Duckett, N. Greig, K. Kernan, M. Linares, J. Longino, J. Mallet, R. Moore, D. Murawski, P. Phillips, C. Reis, A. Simpson de Gamboa, J. Smiley, K. Spencer, R. Srygley, and C. Thomas. Support for Heliconius research at Sirena has been supported by NSF BSR-8315399, NSF DEB 790633, and World Wildlife Fund grants to L.E.G. as well as NSF, National Geographic, and WWF grants to associated students. My sincere thanks to M. Singer and J. Lanza for critical reviews of the early drafts of this chapter. Special thanks to M. Singer and S. Bramblett for major efforts in editing and typing, respectively.


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