Article Nº 1890 Marine invertebrate Vol. II · pp. 337–338
Jacas mansas (Xantho floridus and X. rivulosus)
Original title: Jacas Mansas. (Xantho floridus e X. rivulosus)
Two small crabs of Madeira's intertidal shores used as bait.
Decapod brachyuran crustaceans that live on the Madeiran coasts, in the part uncovered at low tide. They are used as bait.