Ricinus caruncle promotes the dispersal of the seed by ants (myrmecochory). The name "Ricinus" is a Latin word for tick; the seed is so named because it has markings and a bump at the end that resemble certain ticks. The genus "Ricinus" also exists in zoology, and designates insects (not ticks) which are parasites of birds; this is possible because the names of animals and plants are governed by different nomenclature codes. The common name "castor oil" probably comes from its use as a replacement for castoreum, a perfume base made from the dried perineal glands of the beaver ("castor" in
Castor and Pollux the appearance of James son of Zebedee and his brother John who appear in the narrative by Mark the Evangelist. MacDonald cites the origin of this identification to 1913 when J. Rendel Harris published his work Boanerges, a Greek version probably of an Aramaic name meaning "Sons of Thunder", thunder being associated with Zeus, father of Pollux, in what MacDonald calls a form of early Christian Dioscurism. More directly, the Acts of the Apostles mentions the Dioskouroi in a neutral context, as the figurehead of an Alexandrian ship boarded by Paul in Malta (Acts 28:11). Castor and Pollux Castor and