NO. 228S. NEW MOLLVSKS OF TEE FAMILY TURRITIDAE—DALL. 45 



spaces wider on the canal; axial sculpture of (on the penultimate 

 whorl about 20) rounded sigmoid ribs with wider or subequal inter- 

 spaces, crossing the early whorls, becoming less evident on the later 

 whorls, and obsolete on the base of the last whorl; the incremental 

 lines are more or less evident; aperture narrow, simple; pillar 

 white, erased, attenuated in front. Height of shell, 11; of last 

 whorl, 7; diameter, 4 mm. Cat. No. 222238, U.S.N.M. 



Range. — Plover Ba}', Bering Sea, south to Boca de Quadra, 

 Alaska. 



LORA SURANA, new species. 

 Plate 14, fig. 6. 



Shell thin, white, small, with about six whorls, the nucleus de- 

 fective, the suture distinct; anal fasciole extending from the suture 

 to a cord which forms a shoulder to the whorl, retractively loop- 

 wrmkled ; axial sculpture in front of the shoulder of numerous low 

 narrow sigmoid riblets with subequal interspaces, obsolete on the 

 base, on the spire crossing the whorls ; spiral sculpture of somewhat 

 unequal flattish threads with equal or wider interspaces, crossing the 

 shell, not nodulous at the intersections; aperture simple, canal 

 short, twisted, developing an evident siphonal fasciole; operculum 

 normal. Height of shell, 9 ; of last whorl, 6 ; diameter, 4 mm. Cat. 

 No. 206590, U.S.N.M. 



Bange.— From off Point Sur to off Point Pinos, California, in 292 

 to 398 fathoms, mud, bottom temperature 41° F. 



LORA TABULATA Carpenter. 



Plate 14, fig. 1. 



Manffclia ? tabula ta Carpenter, Ann. Mag. Nat. Hist., ser. 3, vol. 15, p. 29, 

 Jan., 1865. 



Range. — Sitka, Alaska, to Monterey, California. 



In fully adult specimens there is sometimes a thickening near the 

 anterior end of the pillar which in some individuals approaches a 

 fold, but is not carried into the interior on the pillar. 



LORA NAZANENSIS, new species. 



Plate 15, fig. 8. 

 Shell short-fusiform, white with a brown band in front of the 

 suture and another on the base, or all white, with about five whoris 

 and a very small blunt nucleus, suture distinct, whorls moderately 

 rounded; axial sculpture of (on the penultimate whorl about 25) 

 narrow crowded sigmoid ribs not passing the periphery but extend- 

 ing from the preceding suture with narrower interspaces; spiral 

 sculpture of narrow grooves with wider interspaces, more close to- 

 ward the base and on the spire cutting the summits of the ribs; aper- 

 ture simple, pillar white, erased; canal short, straight. Height of 



