Spermatophore Mass in Fireflies
Measurements of spermatophore mass (milligrams) in 35 fireflies (Photinus ignitus).
A data frame with 35 observations of one variable.
inferred from Cratsley, C.K. and S.M. Lewis. 2003. Female preference for male courtship flashes in Photinus ignitus fireflies. Behavioral Ecology 14: 135-140.
str(Fireflies) histogram(~sp.mass, Fireflies, n=12)
Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.