title: Observation, natural history, and an early post-Darwinian view of plant-animal interactions.
authors.affiliation: Cornell University.
authors.forename: Anurag A
authors.initials: AA
authors.lastname: Agrawal
mesh_terms: D000818:Animals; D031108:Asclepias / Q000502:physiology*; D005075:Biological Evolution; D005247:Feeding Behavior; D060434:Herbivory; D049672:History, 19th Century; D007313:Insecta / Q000502:physiology; D007840:Latex; D019021:Natural History; D054817:Pollination; D012098:Reproduction
chemical_list: D007840:Latex