139 
JFUSUS errans. 
TAB, CCCC. 
Spec. Chak. Oblong-ovate, conical at both 
ends, transversely striated; whorls bicarina- 
ted ; upper carina largest. 
Svn, Strombus errans, Mr under, 42. 
Besides the principal earinse, there are several lesser 
intermediate ones that do not materially interfere with 
the general outline ; the transverse striae are elegantly 
decussated by minute lines of growth, especially above 
the largest carina ; the aperture is oblong, angular 
towards its upper part; the columella nearly straight ; 
some specimens are less ventricose than others, but all of 
them have more than one keel, by which, and its size 
this species differs from F. bifaciatus (M. C. t. 2*28. 
Not a very common production of Barton or Hordwell 
CJiffs ; Miss Beminster has however liberally supplied 
us with a series. 
J. Holloway Esq. has also found it at Stuhbingtpn, 
and sent me several individuals filled with Pyrites, 
It appears to be unknown in France. 
