His descendants, either under Dorus or under a later king Aegimius, occupied Histiaeotis, a district of northern Thessaly, and afterwards conquered from the Dryopes the head-waters of the Boeotian Cephissus 'between Mount Parnassus and Mount Oeta.
This represents the Argive Dorians as having come by sea (apparently from the Maliac Gulf, the nearest seashore to Parnassian Doris), accompanied by survivors of the Dryopes (former inhabitants of that Doris), whose traces in south Euboea (Styra and Carystus), in Cythnus, and at Eion (Halieis), Hermione and Asine in Argolis, were held to indicate their probable route.
Hence (4) they moved south to the Parnassian Doris, which had been held by Dryopes: and hence finally (5) to Peloponnese.
Elsewhere he assigns the expulsion of the Dryopes to Heracles in co-operation not with Dorians but with Malians.
From Trachis he wages successful war against the Dryopes and Lapithae as ally of Aegimius, king of the Dorians, who promised him a third of his realm, and after his death adopted Hyllus, his son by Deianeira.
The southern part was occupied by the Dryopes, part of which tribe, after having been expelled from their original seats in the south of Thessaly by the Dorians, migrated to this island, and established themselves in the three cities of Karystos, Dystos and Styra.