Plate XVI. 



SPARKUW HAWK. 

 Length, 1100 inches. Male, back reddish brown and black, wing-coverts 

 slaty blue, tail reddish brown marked with black and white ; under parts 

 washed with rusty and spotted with black. Female, back, wings, and tail 

 barred with reddish brown and black ; under parts white, streaked with red- 

 dish brown. 



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