"91. S. carnale.
More slender, .90 by .35; frontal bar low; costae 22, a little narrower than interspaces, low; pale ash-brown; costae, margin, and within paler. West of Morgan's Bluff. Not common. 266. Plate 33, figs 5, 6." (Maynard & Clapp in Maynard, 1921a:136)