JER FALCON. 113 



brown a little extended on each side the shaft. 

 Back and wing coverts, with the central part of 

 each feather, hair, inclining to clove brown, the 

 margin all around being pure white; the greater 

 coverts and secondaries are barred with hair 

 brown. The greater quills have their tips, to the 

 extent of nearly two inches, deep hair brown nar- 

 rowly margined with white ; the exterior circles 

 barred with brown, the interior with imperfect 

 bars, or, as in the first and second quills, with a 

 narrow list of brown along the, side of the shaft 

 The tail is white, except the two central feathers, 

 which are barred with brown ; the bars on the 

 exterior web, imperfect, or not reaching the edge 

 of the feathers. The outermost tail feather on 

 each side is nearly half an inch shorter than the 

 rest. The breast and abdomen are white, each 

 feather having the shaft and a portion on each 

 side of it hair brown, forming gut ti form spots, 

 which decrease in size from the breast down- 

 wards. The breast, the thighs, and under tail 

 coverts, are immaculate white. The bill is of a 

 pale bluish gray, the tooth In the. upper man- 

 dible, and the notch in the lower, both strongly 

 developed. Legs and feet bluish gray. From the 

 manner in which the skin has been taken off 

 and preserved, the correct dimensions cannot be 

 ascertained.* 



* Selby MSS. 

 B 



