336 AMERICAN JOURNAL 



24. S. salebrosum, Anth. Figs. 32 — 34. Fusiform, ro- 

 bust, thick ; growth-lines nodulously raised around the upper 

 part of the body whorl ; whorls 5, sub-cylindrical ; fissure 

 open, wave 1, not deep ; aperture large, ovate. Brownish-olive, 

 with 3 dark bands. 



Fig. 32 is typical; Fig. 33 is 8ch. robuMum, Antli. 



25. S. glandula, Lea. Fig. 35. Oval, short, smooth, 

 much inflated, rather thick, minutely striate; spire short, 

 conic; suture much impressd; whorls 6, the last large and 

 swollen ; fissure short, oblique ; aperture rather large, ellipti- 

 cal, white within. Yellowish horn-color, banded. 



26. S. incisum, Z-ea. Figs. 36 — 38. Ovate, smooth, thick, 

 inflated ; spire short ; whorls 4 — 5, flattened ; body whorl 

 large ; fissure wide, oblique, short ; aperture long and narroAV. 

 Yellowish-brown, sometimes banded. 



Fig. 36 is typical; Fig. 37 is S. quadrat urn, Anth.; Fig. 38 is S. virens. 

 Lea. 



