Beetle Wings and Horns

Relative size of the horns and wings in 19 female Onthophagus sagittarius beetles.

Usage

Beetles

Format

A data frame with 19 observations on the following 2 variables.

horn.size

a numeric vector

wing.mass

a numeric vector

Source

Emlen, D.J. 2001. Costs and the diversification of exaggerated animal structures. Science 291: 1534-1536.

References

http://www.scienceonline.org/cgi/content/abstract/291/5508/1534

Examples

str(Beetles)
#> 'data.frame':	19 obs. of  2 variables:
#>  $ horn.size: num  0.074 0.079 0.019 0.017 0.085 0.081 0.011 0.023 0.005 0.007 ...
#>  $ wing.mass: num  -42.8 -21.7 -18.8 -16 -12.8 11.6 7.6 1.6 3.7 1.1 ...
xyplot(wing.mass ~ horn.size, Beetles)