152 Zoologica: N. Y. Zoological Society. [I; 6 



Part III. 



Two young Broad-winged Hawks were taken from a nest in 

 Chemong Park, Peterboro County, Ontario, Canada, by Mr. 

 David Bull about August 12th, 1907. They were brought to 

 New York and sent to me at the Zoological Park on September 

 11th. 



Both parents had been shot and were normal as regards the 

 number of toes, and one of the young birds showed nothing out 

 of the usual. In the second young hawk an extra toe appears 

 on the left leg. It arises from the posterior surface of the tarsus 

 about 14 mm. above the hind toe. Its insertion however is on 

 the inner angle of the large scutes. It is extremely degenerate, 

 the single phalanx forming a mere scaly nodule only 4 mm. in 

 length. The claw is long and thin, measuring full 11 mm. in 

 length and is curved outward across the whole width of the tar- 

 sus. (Fig. 50.) 



