Many species of this genus belong to America, although but two that are well characterized enter into the fauna of the United States. These are easily distinguished as follows:—
Species and Varieties.
C. popetue. White patch on primaries extending over the five outer quills, anterior to their middle portion. No rufous spots on quills, anterior to the white patch.
a. Dark mottling predominating on upper parts; lower tail-coverts distinctly banded.
Wing, 8.00; tail, 4.40. Hab. Eastern Province of United States and Northwest coast … var. popetue.
Wing, 6.90; tail, 4.00. More rufous mottling on scapulars and jugulum, and a decided ochraceous tinge below. Hab. West Indies … var. minor.[103]
b. Light mottling predominating on upper parts; lower tail-coverts only very indistinctly and sparsely banded.
Size of var. popetue. Hab. Middle Province of United States … var. henryi.
C. acutipennis. White patch on primaries extending over only four outer quills, and beyond their middle portion; distinct rufous spots on quills, anterior to the white patch.
Wing, 6.20 to 6.50; tail, 3.90 to 4.10. Hab. South America … var. acutipennis.[104]