90 PROCEEDINGS OF THE NATIONAL MUSEUM. 



Accipiter atricapillus striatulus, 



Nirmus fuscus Nitzsch. 

 Buteo borealis calurus. 



Nirmus fuscus Nitzsch. 

 Buteo borealis lucusanus. 



Nirmus fuscus Nitzscli. 



Buteo lineatus. 



Docopliorus huteonis Packard. 



Buteo swainsoni. 



Docoplwrus platystomus Mtzsch. 



Nirmus fuscus Nitzscb. 

 Archibuteo lagopus sancti-johannis. 



Docophorus taurocephalus Kellogg. 



Nirmus fuscus Mtzsch. 



Colpocephahim favescens Mtzsch. 

 Aquila chrysaetos. 



Docophorus pictus Giebel. 



Golpoccphalum flavescens 'Nitzsch. 



Aquila imperialis. 



DocopJiorus platystomus ISTitzsch. 

 Thrasaetos harpyia ("Harpy eagle"; Osborii, Ins. Aff. Dom. An., 1896, 

 p. 247). 



Lcemobothrium giganteum Nitzsch. 

 Haliaetus leucocephalus. 



Docopliorus halieti Osboru. 



Nirmus discoceplialus amhlys Kellogg. 



Lipeurus pustulatus Osborn. 



Colpocephalum flavescens Nitzsch. 

 Falco peregrinus anatum. 



Nirmus fuscus Nitzsch. 

 Falco sparverius deserticola. 



Nirmus fuscus Nitzsch. 

 Falco sparverius peninsularis. 



Nirmus fuscus ISTitzsch. 

 Polyborus cheriway. 



Nirmus splendidus Kellogg. 



Colpocephalum maculatum Piaget. 

 Strix pratincola. 



Docophorus rostratus Nitzsch. 

 Asio wilsonianus. 



Docophorus cursor Mtzsch, 

 Syrnium nebulosum. 



Docophorus speotyti Osborn. 

 syrnii Packard. 



