250 PROCEEDINGS OF THE ACADEMY OF [June-Oct., 



90. Urubitinga anthracina (Nitzsch). Mexican Black Hawk. 



Male, Ft. Lorenzo, January 7, 1912. Iris brown, bill blue-black, 

 base and cere and feet yellow. 



Shot from a palm tree. It had been feeding on carrion in the marsh. 



[91.] Leucopternis semiplumbea Lawrence. Semiplumbeous Hawk. 

 92. Leucopternis ghiesbreghti (DuBus). Ghiesbrecht's Hawk. 



Female, Gatun, February 22, 1911, and another not now in the 

 collection, July 28, 1912. Iris dark brown, bill grayish-blue dusky at 

 tip, cere and orbital ring bluish, feet pale yellow. 



Shot in the thick forest. Had a peevish whistled note. Another 

 female was shot previously at the same spot; it is always found in the 

 jungle timber, and had apparently just deposited eggs. 



[93.] Morphnus guianensis (Daudin). Guiana Crested Eagle. 

 [94.] Thrasaetus harpyia (Linnaeus). Harpy Eagle. 

 [95.] Spiziastur melanoleucus (Vieillot). Black and White Eagle. 

 [96.] Spizaetus ornatus (Daudin). JManduit's Hawk Eagle. 



97. Spizaetus tjrrannus (Wied.). Tyrant Hawk Eagle. 



Female, Gatun, February 4, 1912. Iris l^right orange, bill blue- 

 black, cere slaty, toes yellow. 

 Shot in the forest. 



98. Harpagus bidentatus (Latham). Double-toothed Hawk. 



Male, Gatun, June 9, 1912. Iris purplish-red, bill black, slaty on the 

 sides and beneath, cere greenish, tarsi yellow. 



[99.] Herpetotheres cachinnans (Linnseus). Laughing Hawk. 



[100.] Elanoides forficatus (Linnaeus). Swallow-tailed Kite. 



[101.] Leptodon uncinatus (Temmink). Red-collared Kite. 



[102.] Ictinea plumbea (Gmelin). Plumbeous Kite. 



*[103.] Falco columbarius Linnaeus. Pigeon Hawk. 



104. Falco albigularis Daudin. White-throated Hawk. 



Female, Toro Point, August 4, 1912. Iris brown, bill black, blue- 

 gray at base, cere and feet rich yellow. 

 Shot flying along the beach. 



*105. Cerchneis sparveria sparveria (Linnaeus). Sparrow Hawk. 



Male, Gatun, January 29, 1911. Several others killed and given 

 away— March 5, 1911, April 4, 1911. 



[106.] Pandion haliaetus carolinensis (Gmelin). Osprey. 



TYTONIDiE. 

 107. Tyto perlata guatemalae (Ridgway). Central American Barn Owl. 



^Nlale, Gatun, August 1, 1911. Iris black, bill whitish ivory. 

 One of a pair living in ventilators of a l)uilding in the town. Always 

 came out at dusk and flew in the same direction. 



