1,100,502 specimens across 6 departments, collected since 1754 — 100,256 names, 42,336 type specimens.
3 specimens
Littorina littoralis
BPBM 196823
H.G. Barnacle; Joseph Swift Emerson, 1930Europe?
Littorina littorea
BPBM 196911
H.G. Barnacle; Joseph Swift Emerson, 1882Europe
BPBM 196988
H.G. Barnacle; Joseph Swift Emerson, 1882British Isles