68 VARICELLA. 



13d. Var. longa Pils'bry, n. v. PL 13, fig. 20. 



Shell long and slender, pale brown with dark red-brown 

 streaks. Three embryonic whorls long, the first half-whorl 

 smooth, the rest closely sculptured with arcuate, slightly flat 

 riblets wider than their intervals. Subsequent whorls with 

 sitrong riblets, arcuate above, about 24 on the last whorl, 

 where their intervals have 9 or 10 striae, and show very low, 

 weak spiral 'Cords. Aperture long and narrow. Varices in- 

 conspicuous, pale, preceded by a dark streak, two or three on 

 a whorl. The last two whorls are somewhat flattened, the 

 earlier ones convex. Suture deeply impressed;. Length 10.3, 

 diam. 2.6 mm., aperture 3 mm. ; whorls 8%. 



Jamaica (S. L. Schumo). Type 75717 A. N. S. P. 



Colored like V. costulata, but with much heavier riblets 

 and longer whorls. 



13e. Var. MULTISTEIATA Pilsbry, n. v. PL 13, figs. 14, 18. 



The shell is pale yellowish-brown with a few dark dull- 

 red sitreaks. The surface has a golden gleam in a strong 

 light. There are three embryonic whorls, the first half-whorl 

 smooth, the rest very finely rib-striate, the intervals smooth 

 between the rilblets (fig. 18) ; then six ribbed whorls follow. 

 The ribs are arched above, rather stout, but very much nar- 

 rower than their intervals. On the front of the last whorl 

 there are about 2% intervals in 1 mm., or in other words, the 

 distance from crest to crest of the ribs is about .36 mm. 

 There are about 22 wavy striae in each interval. Length 11.7, 

 diam. 2.9, aperture 3.6 mm. 



Jamaica (C. B. Adams coll.). 



Very much like var. longa, but there are twice as many 

 striae in the intervals between the ribs on the last whorl. 

 Fig. 14 is merely in outline. 



14. V. GRACILIOR (C. B. Adams). PL 12, fig. 8. 



''Shell conoidal, but very slender: pale horn color: with 

 about twelve transverse oblique slightly prominent lamelloid 

 ridges, which are more distinct next below the suture : apex 

 rather acute: spire with the outlines nearly rectilinear: 



