Black and white engraving of three types of whales: Right whale (Baleine Franche), Balaenoptera physalus (Baleinopt̬re Gibbar), Blaenoptera rorqual (Baleinopt̬re Rorqual). With no inscription, most likely a copy of diagram taken from Bernard Germain de Lac̩p̬de's Histoire Naturelle des C̩tac̩es (Paris, France: Chez Plassan, 1804).
