AET. 17 ILLUSTRATIONS OF TYPES OF SHELLS DALL 21 



MOHNIA BUCCINOIDES Dall 



Plate 33, fig. 10 



Molmia buccinoides Dall, Proc. Acad. Nat. Sci. Phila. for 1913, p. 503. 

 Off Hondo, Japan, in 905 fathoms. U. S. Nat. Mus. Cat. No. 110778. 



MOHNIA CLARKI Dall 



Plate 30, fig. 2 



MoJinia clarki Dall, Smithsonian Misc. Coll., vol. 50, p. 163, 1907. 

 Okhotsk Sea, in 682 fathoms. U. S. Nat. Mus. Cat. No. 110497. 



MOHNIA JAPONICA Dall 



Plate 32, fig. 6 



MoJinia japonica Dall, Proc. Acad. Nat. Sci. Phila. for 1913, p. 503. 



Off Sado Island, Japan, in 225 fathoms. U. S. Nat. Mus. Cat. No. 205244. 



MOHNIA HONDOENSIS Dall 



Plate 32, fig. 4 



Molmia hondoensis Dall, Proc. Acad. Nat. Sci. Phila. for 1913, p. 504. 

 Off Hondo, Japan, in 76 fathoms. U. S. Nat. Mus. Cat. No. 205253. 



MOHNIA KURILANA Dall 



Plate 34, fig. 1 



Mohnia kurilana Dall, Proc. Acad. Nat. Sci. Phila. for 1913, p. 503. 



Off the Kuril Islands, in 229 fathoms. U. S. Nat. Mus. Cat. No. 205224. 



MOHNIA MICRA Dall 



Plate 30, fig. 9 



Mohnia micra Dall, Smithsonian Misc. Coll., vol. 50, p. 162, 1907. 



Off Sado Island, Japan Sea, in 200 fathoms. U. S. Nat. Mus. Cat. No. 110499. 



MOHNIA SORDIDA Dall 



Plate 30, fig. 3 



Mohnia sordida Dall, Smithsonian Misc. Coll., vol. 50, p. 162, 1907. 



Sugaru Strait, Japan, in 300 fathoms. U. S. Nat. Mus. Cat. No. 11049G. 



MOHNIA VERNALIS Dall 



Plate 2, fig. 2 ; plate 30, fig. 4 



Mohnia vernalis Dall, Proc. Acad. Nat. Sci. Phila. for 1913, p. 502. 

 Off Tillamook Bay, Oreg. in 786 fathoms. U. S. Nat. Mus. Cat. No. 213334. 



MUREX (PTEROPURPURA) ESYCHUS, new species 



Plate 32, fig. 9, plate 33, fig. 6 



Shell small, short, with three sharp varices, a smooth blunt nucleus 

 of nearly two, and three rapidly enlarging subsequent whorls ; suture 

 distinct, not deep or appressed; axial sculpture of three broad, 



