CATALOGUE. 



55 



Nyctale albifrons. The taking of this young bird renders it 

 probable that Nyctale acadica breeds on the islands ; but it is 

 not abundant, as no others were taken. 



A few days later, on Byron Island, while taking an even- 

 ing stroll, a small Owl circled silently around me for several 

 minutes, which, from the momentary glimpses obtained of it 

 in the uncertain light, I believed to be the present species. 



56. CIRCUS CYANEUS var. HUDSONICUS, (L.) Cs. 

 (MARSH HAWK.) 



A rather common species. I saw it several times at 

 House Harbor, and once on Byron Island. Mr. Perham 

 killed a specimen on Bird Rock. 



Probably breeds. 



57. ACCI PITER FUSCUS, (6V;/.) Rp. 



(SHARP-SHINNED HAWK.) 



Observed what I believed to be this Hawk at Hospital 

 Island, but was unable to approach within shot of it. 



