LUCINA,” 
wae ae I scant hel oval, compressed, obscurely cancellated ; 
3; beaks nearly central; teetl three 
iene valves anterior muscular enpressiod profoundly ——; 
lunule excavated, minute. Length, one inch and one fourth, 
Locality.—Claiborne, Alab. London clay. ‘This shell is allied 
to Lucina mutabilis, Lam. 
» 2. L. dolabra. Shell paneer ae distant concentric imbrica- 
ted and obscure radiating stri@; posterior submargin profoundly chan- 
neled, beaks prominent and curved forwards; lunule impressed, cor- 
date; inner margin crenulated. Length, half an inch. 
ec —Claiborne, Alab. London clay. 
CYTHEREA. 
"C. ait alapdies: Shell obtusely ovate, smooth, thick ; ere 
obtusely rounded posteriorly ; lunule ovate-acute and slightly impres+ 
sed; hinge with the anterior tooth very robust. rims 
. This shell is from the upper marine formation; it is about the size 
and niger of Venus SEED Ea A is sue abundant i the bank of 
in no other lager stati I ce spends. pe: Tee - i gabe 
~ 3 NOC AL 2328 RO eee ee 
#5 oN ‘bella. Shell ovate elongated, rostrated, with numerous 
regular concentric striz, and two carinated lines on the anterior sub- 
margin diverging from the apex ; on the posterior side is a slight fur- 
row from the apex tothe base. Length, half an inch, 
: Locality.—Claiborne, Alab. London clay. 
2. N. celata. Shell ovate elongated, with irregular undulated 
ridges ; anterior sub-margin with three minutely crenulated Piet a 
_ a from the apex; beaks nearly central. 
pet —Found with the preceding species: sas ae ‘ 
FULGUR. 
Pp ineilis. Shell fusiform, with coarse slidingaée with ie spi- 
ral strie; spire elevated; whorls five, rounded, flattened a little above, 
but crowned with a cantonal line; suture broadly and profoundly 
channeled; body whorl ventricose. € 
~ ocah y.—Yorktown, Va. Upper ma 
this shell is about the size of F. ss shila; it a 
