2 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 56 



Characters. — Similar to C. americana americana, but larg'er, with 

 stouter bill ; g^reenish-black submalar stripe narrower ; chestnut- 

 rufous pectoral area of male less extended anteriorly (encroaclied 

 upon by white of throat); g^reenish-black pectoral bands of female 

 narrower, more interrupted. Similar to C. americana septentrionalis, 

 but smaller ; wing's more narrowly banded with white; pileum much 

 less distinctly flecked with white anteriorly ; male with under parts 

 more heavily spotted with g-reenish-black. the chestnut-rufous pec- 

 toral area more extended anteriorly (less encroached upon by white 

 of throat); female with broader pectoral bands. 



Measurements. — Type : Wing-, 79.5 mm.; tail. 55.6; culmen, 45.5 ; 

 depth of bill at anterior ang-le of nostril, 9.5 ; width of bill at ante- 

 rior ang-le of nostril, 6.7 ; tarsus, 8.7. 



