by William Swainson, Zoological Illustrations — Vol II. Pl… (1820)
“ Ach. (div. 2.) Shell elongated, cream colour, with green and yellow bands; aperture ovately rounded, white; outer lip notched in the middle; base emarginate. A new and very delicate species, which may have been overlooked as a variety of A. virginea, from which it differs in the comparative length of the basal whorl, which in that is remarkably short, in being a much more elongated shell, in the mouth being oval, but above all, in having a conspicuous notch in the middle of the outer lip, where the green band commences; the aperture (excepting the inner lip) is pure white. ”
