"147. S. migratoria.
Larger, 1.10 by .40; aperture .30, oblique; costae 27, narrower than interspaces; ochre-white. obscurely and sparingly marked with red-brown. Grounds directly about Methodist Sunday School building Sherley St., Nassau. Not common, 75. Plate 43. flgs. 3, 4." (Maynard and Clapp in Maynard, 1921b:147)