The outer layer of the procuticle of certain crustaceans and arthropods, which contains cuticulin, chitin, and phenolic substances that are oxidized to produce the dark pigment of the cuticle;nThe hard and usually darkened layer of the cuticle lying between the endocuticle and epicuticle. [ http://purl.obolibrary.org/obo/BTO_0001602 ]
This is just here as a test because I lose it