Heads of the adult males of the genus Icterus

Heads of the adult males of the genus Icterus
from

by

chromolithograph
By Charles Augustus Keeler.

text from the plate

Heads of the adult males of the genus Icterus

Lith. Britton & Rey, S.F.

C.A.K. del.

Icterus cucullatus

Icterus cucullatus nelsoni

Icterus bullocki

Icterus galbula

Icterus parisorum

Icterus spurius