ree Sl. a 
18, 
qj 
aq 
q 
q 
fe 3 8 
ddqaqqac 
Miscellanies. 
complanatus, Soland. MSS. 
- ovatus, Say. 
cariosus, Say. 
nasutus, Say. 
cylindricus, Say. 
. subtentus, Say. 
undulatus, Barnes. 
plicatus, Le Sueur. 
. rectus, Lam. 
torsus, Rafinesque. 
mytiloides, Rafin. 
metanever, Rafin. 
scalenius, Rafin. 
. cornutus, Barnes. 
verrucosus, Barnes. 
. tuberculatus, Barnes. 
. gibbosus, 
Barnes. 
19. U. cuneatus, Barnes. 
171 
purpureus, Say. 
rarisuleata, Lam. 
fluvi bee Green. 
ova 
; ovate, Valenciennes. 
pee oe 
rostrata, Valen. 
naviformis, Lam. 
naviformis, Valen. 
alen. 
dombeyana, Valen. 
purpurata, ? Lam. 
recta, Valen 
crassidens? Lam. 
peruvianus, Lam. 
rariplicata, Lam. 
undatus, Barnes. 
nodosus, Barnes. 
rugosus (flat), Barnes. 
{ verrucosa, Valen. 
tuberculosa, Valen. 
mucronatus, Barnes. 
