& Burt, A. Recurrent invasion and extinction of a selfish gene. Proc. NatL 246 Acad. Sci. 96, 13880-13885 (1999). 247 28. Iii, C. V. R., Riper, S. G. Van, Goff, M. L. & Laird, M. The Epizootiology and Ecological 248 Significance of Malaria in Hawaiian Land Birds. EcoL Monogr. 56, 327-344 (1986). EFT