30 PEOCEEDINGS OF THE NATIONAL MUSEUM vol. 66 



This has much the aspect of Aforia circinata Dall, from the Ber- 

 ing Sea, but shows no indication of tlie anterior furrow in the outer 

 lip. 



TURRIS? SIMPLICISSIMA Dall 



Plate 35, fig. 7 



Pleuroiomella simpUcissima Dall, Smithsonian Misc. Coll., vol. 50. p. 140, 

 1907. 

 Okhotsk Sea, 1,800 fathoms. U. S. Nat. Mus. Cat. No. 110542. 



UROSALPINX PERRUGATUS Conrad 



Plate 26, fig. 7 



Fusus perrugatus Conrad, Amer. Journ. Sci., n. ser. vol. 2, p. 397, 1846. 

 Cedar Keys, Florida. U. S. Nat. Mus. Cat. No. 36151. 



VESICOMYA SUAVIS Dall 



Plate 27, fig. 1 



Vesicomya suavis Dall, Proc. U. S. Nat. Mus., vol. 45, p. 597, 1913. 

 West coast of Lower California, off Animas, in 735 fathoms. U. S. Nat. 



Mus. Cat. No. 266881. 



VOLUTA ALFAROI Dall 



Plate 17, fig. 2 



Valuta alfaroi Dall, Smithsonian Misc. Coll., vol. 59, No. 2, p. 8, 1912. 

 Later Tertiary of Costa Rica. U. S. Nat. Mus. Cat. No. 214347. 



VOLUTHARPA AMPULLACEA ACUMINATA Dall 



Plate 35, fig. 3 



Volutharpa ampullacea Middendorff, var. acuminata Dall, Amer. Journ. 

 Conch., vol. 7, p. 104, 1871. 

 Sitka, Alaska, in shallow water. U. S. Nat. Mus. Cat. No. 87862. 



VOLUTOPSIUS HIRASEI Pilsbry 



Plate 31, fig. 3 



Volutopsius hirasei Pilsbby, Proc. Acad. Nat. Sci. Phila. for 1907, p. 243, pi. 

 19, fig. 2. 

 Off Cape Clonard, Japan Sea. U. S. Nat. Mus. Cat. No. 110776. 



VOLUTOPSIUS MINOR, new species 

 Plate 32, fig. 3 



Shell small for the genus, slender, acute, pale chestnut brown Avith a 

 smooth periostracum, and five and a half whorls exclusive of the nu- 

 cleus which is blunt and includes a whorl and a half; suture well de- 

 fined, not appressed, whorls moderately rounded; axial sculpture only 

 of faint incremental lines; spiral scidpture of obscure striae, about 

 three to a millimeter, with wider flattish interspaces over the whole 



