GASTEROPODA. 275 
shell; tip black; aperture very small and narrow, one-half the length 
of the shell; lip thin, sharp, a little plicate; columella four-plicate, 
with a copious posterior callus. 
Length seven-twentieths of an inch; breadth one-fifth of an inch. 
Inhabits the Feejee Islands. 
A small, very decidedly marked species, most remarkable for the 
deeply incised, somewhat punctate, dark, revolving lines, on an ash- 
coloured ground, its wave-like folds, and its short rhomboidal form. 
Figures 356, 356 a, two views of the shell, enlarged; 3564, natural 
size. 
Mirra FipicuLa (Gould). 
T. lanceolato-fusiformis, livido-crocea fascia albida unica cincta, plicis 
acutis albidis ad duodecim lirata; sptra anfractibus novem planu- 
latis postice tabulatis, apicalibus (ultimo quoque ad basim) spirahter 
striatis: apertura angusta, intus tenui-striata ; columella quadri-pli- 
cata; fauce rufa; canali stphonali curto, fere recto. 
Mitra fidicula, Goutp; Proceed. Boston Soc. Nat. Hist., ill. 170. 
January 1850. Expedition Shells, 72. 
SHELL small, fusiform, elongated, turreted; whorls nine, angular 
above, ornamented with numerous sharp, regular, whitish ribs or folds, 
which are sometimes a little nodular at the angle of the whorl, and 
with a belt of whitish; the upper whorls and the large whorl at its 
base are spirally striated; the spaces between the ribs are smoothly 
fluted, displaying delicate incremental lines; colour deep saffron, 
sometimes a little livid, disposed in darker and lighter zones. Aper- 
ture narrow, less than half the length of the shell; throat brownish 
within, and delicately striated, the stri# not attaining the edge of 
the lip. Columella four-plaited; siphonal notch broad, canal short 
and straight. 
Length three-fourths of an inch; breadth three-tenths of an inch. 
