The objections to Salvator Rosa 's brushwork here are similar in thrust to the objections made at MP I:237 to Rosa's clouds and skies in No. 220 of the Dulwich Gallery, and to the objections at MP I:336 to Canaletto 's mechanical treatment of water.
For other references to the brushwork of Salvator Rosa MP I:234, MP I:251 MP I:290. Rosa's rocks and mountains, and truth to nature in his paintings generally, were a key aspect of Rosa's reputation.