"83. S. jenneyi.
More slender 1.15 by .40; frontal bar low, nearly absent in center; costae confined to ultimate and penultimate whorles, low, narrow. and often absent; yellowish-white, marked with ziz-zag streakings of pale yellow-brown. Anderson's Key, scattered on bushes along shore. 1131. Plate 31, figs. 9. 10." (Maynard and Clapp in Maynard,1921a:134)