» * 
T ss Shells of ee. 337.. 
II. p. 287. "This species has bán found in. consid». 
erable numbers in the harbour of Dartmouth, dun 
the past summer, (1840). It is much less in size 
' any other spécies of this genus on our shores. When 
young, the shell does not appear fusiform, and un- . 
fortunately the figure was drawn from such a speci- 
men. It has also been found in New Bedford har- 
bour. ssh 
Jaminia seminuda. Nob. Journ. of this Soc., 
Vol. II. p. 280. Of this species I have not been able 
to obtain any more living individuals, but have found 
it in considerable numbers in a bed of mud, in New 
Bedford harbour. All the specimens were more or 
less cretaceous from decay. Some - them —_ 
.22 inch in "— l 
Janihia fusca. Nob. Pyramis fusca, Nob. m. 
of this Soc., Vol. IL p. 282. At Fairhaven, in a cove 
east of the town, this species is sometimes found 
abundantly, in company with the Jaminia producta, 
Nob. Many of the speciniens are larger than those 
from which the description was written. Some are 
.25 inch long, and .Í broad. 
Dr. Gould has pointed out to me an obtuse fold on 
the columella. In many individuals this fold cannot 
be seen distinctly without removing a portion of the 
labrum, and it therefore escaped observation. The 
species should be referred to the genus Jaminia. 
The several species, J. erigua, Couth., J. seminuda, 
J. fusca, J. producta, and Acteon trifidus, Totten, 
all evidently belong to the same genus. Unfortu- 
nately, the only knowledge, which we have been 
VOL. III. — NO. Il. 43 
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