1904.] NATURAL SCIENCES OF PHILADELPHIA. 37 



convex, the suture deep but not in the least channelled, the shoulder of 

 the last whorl rounded. Aperture of the usual shape, the thin outer 

 lip ^rched forward in the middle, moderately retracted above. Colu- 

 mella concave, with a very inconspicuous fold above. 



Length 4.7, diam. 2 mm. 



Hirado, Hizen. Types Xo. 85,984, A. N. S. P., from No. 1,271a of 

 Mr. Hirase's collection. 



Remarkable for the total absence of a channel at the suture. 



Tornatina decorata n. sp. PI. V, fig. 51. 



Shell straightly cylindric, white under a pale yellow cuticle, which 

 is closely decorated with red-brown spiral lines; sculptured with 

 slight gro\\'th-Unes only. Spire short. Postnuclear whorls about 3^, 

 parted by a deeply channelled suture, which does not descend much 

 except at the last whorl. Aperture of the usual shape, the outer lip 

 moderately arched forward in the middle and retracted above, deeply 

 slit at the suture. Columella callous, flattened, slightly concave, with 

 a low fold above. 



Length 6.8, diam. 3.9 mm. 



Hirado, Hizen. Types No. 85,985, A. N. S. P., from No. 1,235 of 

 Mr. Hirase's collection. 



Readily known by the brown lineolation and short spire when in 

 good condition; but the color is solely cuticular. No similar species 

 has been reported from the northwest Pacific. 



