"44. S. marmorosa.
A little larger, 1.30 by.47; costae few, 17. interspaces wide and irregular; pale, blue-white, very dark brown internally. paler on margin. Well Key. a little north of Leward Stocking Key; not common; on bushes, palms, and ground. Plate 24. figs. 6, 7." (Maynard and Clapp in Maynard, 1920d:125)