1,100,502 specimens across 6 departments, collected since 1754 — 100,256 names, 42,336 type specimens.
3 specimens
Sialia mexicana
BPBM 6238 · W O Emerson, 1901
Catharus guttatus
BPBM 6240 · W O Emerson, 1901
Regulus calendula
BPBM 6243 · W O Emerson, 1906