Ridgway.] 



46 [Maya, 



Falco (Dissodeetes) ardesiacus Vieillot. 



1469, 9 ad. Senegal. Lafr. Coll., No. 465. 



Falco (iEsalon) lithofalco Gmel. 



a. var. lithofalco Gmel. (192.) 



1466, d" ad. Europe. Lafr. Coll., No. 462. 



1467, c? " " " " " 463. 



1468, ? " " " " " 464. 



452, d" juv. " J. F. Bumstead. (Labelled F. subbuteo.) 



b. var. columbarius Linn. (193.) 



1459, ? ad. North America? Lafr. Coll., No. 455. (Labelled 

 U F. subbuteo, young, Europe.") 



1470, d" " Cuba. Lafr. Coll., No. 466. (Very dark.) 



1471, ? " Guadeloupe " " 467. 



d" " San Jose, California. Jan., 1871. Wm. Holden. 



7, d " Boston. Dr. A. Binney. 



73, d" juv. Dane Co., Wisconsin. S. Kumlein. 



— d" " " " " " Sept. 4, 1869. 



9 " " " " " Sept. 6, 1869. 



71, 9 ad. Sonoma Co., California. 



? 



9 " Spanishtown, Jamaica. W. T. March. 

 72, 9 " Boston. Dr. Binney. 



Falco (Rhynchofalco 1 ) femoralis Temm. (194.) 



1472, d" ad. Brazil. Lafr. Coll., No. 468. 



1473, 6 " " " " " 46 9. 



1474, d juv. " " " " 470. 



9 ad. South America? J. A. Reynolds. 

 9 juv. " " ? A. Vattemare. 



i Pihynchofalco Nobis. Similar to Hypotriorchis, bujt frontal scutellae of the 

 tarsus and toes large, well-defined, and scarcely interrupted in the region of the 

 digito-tarsal joint. Two outer primaries with inner webs cut. Bill very strong, 

 the cere more elongated than in Hypotriorchis and allied subgenera, its length on 

 top being about one-third the chord of the culmen. Type, Falco femoralis Tern- 

 minck. 



