MI Ao 
Sec: 
q 
a 
heel. ot selec ee 
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. 
cuneatus, Barnes. 
purpureus, Say. 
rarisulcata, Lam. 
coarctata, Lam. 
purpurascens, Lam. 
rhombula, Lam. var. 
georgina, Lam. 
sulcidens, Lam. 
caroliniana, Bosc. 
fluviatilis, Green. 
ovata, Lam. 
ovata, Valenciennes. 
luteola, Lam. 
cariosa, Lam. 
crassus, (old) Say. 
171 
carinatus,(rayed) Barnes. 
ellipticus,(young) Barnes. 
rostrata, Valen. 
naviformis, Lam. 
naviformis, Valen. 
! 
| 
: 
peruvianus, Lam. 
rariplicata, Lam. 
crassus, Barnes. 
undulata, Valen. 
| dombeyana, Valen. 
crassidens? Lam. 
I 
J prelongus, Barnes. 
nasuta, Lam. 
) purpurata,? Lam. 
{ recta, Valen. 
undatus, Barnes. 
; nodosus, Barnes. 
rugosus (flat), Barnes. 
verrucosa, Valen. 
tuberculosa, Valen. 
mucronatus, Barnes. 
