Alder J. & Hancock A. (1845-1855). A monograph of the British nudibranchiate Mollusca: with figures of all the species. The Ray Society, London. Published in 8 parts: Part1 Fam.3 Plate 26 *Eolis olivacea Alder & Hancock, 1842 synonym Cuthona foliata (Forbes & Goodsir, 1839) accepted name