References/Notes/Attributions:
Source
Data downloaded from http://www.stat.ucla.edu/projects/datasets/seaslug-explanation.html
References
A paper based on these data: Krug, P.J. and R.K. Zimmer. 2000b. Larval settlement: chemical markers for tracing production, transport, and distribution of a waterborne cue. Marine Ecology Progress Series, vol. 207: 283-296.