310 CYLICHNA. 



B. (Cylichna) concitina AD., Thes. Conch., p. 59:^, pi. 125, f. 142. 

 C. rnnrinn'1 E. A. SMITH, Ann. Mag. N. H., (4), xvi, p. 113. 



C. BREVISSIMA A. Adams. PI. 40, fig. 92. 



Shell ovately cylindrical, a little contracted in the middle, trans- 

 versely spirally striated ; apex umbi Heated, umbilicus partly cov- 

 ered by the columellar callus; aperture narrow, linear, contracted 

 in the middle, above produced, below dilated ; columella reflexed, 

 rather callous. (Ad.). 



China Sea, (Cuming) ; Sea of Japan (Ad.). 



B. (Cylichna) brevissima AD., Thes., p. 593, pi. 125, f. 144. 

 Haminea brevissiinu A. Ad., Ann. Mag., (3), ix, p. 155. 



C. PYRAMIDATA A. Adams. PI. 27, fig. 88. 



Shell subcylindrical, acuminated above, hardly dilated at the 

 base, white, shining, longitudinally grooved, faintly striated trans- 

 versely above and below ; spire hardly obvious, apex deeply umbili- 

 cated ; aperture narrowly linear, produced above, dilated below ; 

 columella reflected, rather callous, umbilicus covered. (Ad.). 



China Sea (Cuming). 



B. (Cylichna) pyramidata AD., Thes., ii, p. 595, pi. 25, f. 149. 



Jeffreys says that this is the same as Cylichna (or Retnsa) *tri'ttn- 

 rbe*. 



C. iNvoi.rTA A. Adams. PL 27, fig. 83. 



Shell cylindrical, posteriorly truncated, white, solid, transversely 

 entirely striated; aperture narrow, linear; outer lip straight, its 

 angle produced, rounded ; inner lip anteriorly tortuous, with a sin- 

 gle fold. (Ad.). 



in.a Sea (Cuming). 



B. (Cylichna) im-o/ntn An.. Tin-., ii, p. 595, pi. 125, f. 151. 



Thi.- i- ii"t the ('ii/ir/ni,i nimluio Xevill, which i- a species of 

 I 



C. BIFLICATA A. Adams. PL 27, fig. 85. 



Shell cylindrical, slender, posteriorly somewhat rounded, engraved 

 with rather distant spiral stri:- : aju-x deeply umhilicatcd ; aper- 

 ture narrow, linear, produced above, dilated below: columella cal- 

 lous, with two plait- : covered with a reddish-brown epidermis. 



( 'Ii ina Sen (Cuming) ; Suez (Cooke). 



