1918. J NATURAL SCIENCES OF PHILADELPHIA. 249 



l)ill horn color, mandible yellow at base almost all yellow in female, 

 feet yellow. 



The latter bird was shot from a perch in low bushes in the forest 

 near a small marshy stream. Its stomach was filled with remains of 

 slugs, batrachians and small lizards. 



[80.] Geranospizias niger (DuBus). Blackish Crane Hawk. 

 [81.] Accipiter collaris Kaup. Semi-collared Hawk. 

 [82.] Accipiter bicolor (Vieillot). Four-banded Hawk. 

 *[83.] Accipiter velox (Wilson). Sharp-shinned Hawk. 

 *84. Buteo platypterus (Vieillot). Broad-winged Hawk. 



Adult male, Gatun, December 13, 1911, and female in striped 

 plumage, Gatun, November 30, 1911. Iris grayish-brown, bill black 

 bluish at the base, cere greenish-yellow, feet yellow. 



Male shot in the heavy forest, the other in a clearing near the edge 

 of the forest. 



*85. Buteo swainsoni Bonaparte. Swainson's Hawk. 



Female, Mindi, October 22, 1911. Quite dark above and below. 

 Iris brownish-gray, bill grayish-blue with dusky tip, cere dull green- 

 ish, feet pale yellow. 



Another specimen was given to the U. S. Biological Survey. 



86. Asturina nitida (Latham). Shining Buzzard Hawk. 



Male, Gatun, November 3, 1911. This interesting specimen is in 

 immature striped plumage and is referred to this species on the basis 

 of comparison with adults, as I have no authentic specimens in this 

 stage of plumage. The light bases and margins to the feathers of 

 the head are pale buff, those of the back and wings more strongly 

 rusty. Below the throat is nearly white, but the rest of the ground 

 color tawny-buff. The brown spots are very coarse. The primaries 

 are cream with blackish tips, with a rusty suffusion where the colors 

 join. There are narrow dusky cross bars, fewer on the primaries 

 than on the secondaries, so that the under part of the. closed wing is 

 almost uniform creamy buff, except for the dusky terminal portion. 

 Iris grajdsh-brown, bill black, cere and feet yellow. 



Stomach contained a large lizard and the gullet a fair sized mouse. 



87. Rupornis magnirostris ruficauda (Sclater and Salvin). Large-billed Hawk. 



Female, Trinidad River, eight miles south of Gatun, March 24, 

 1912. Iris bright yellow, bill black, bluish at base, cere and feet j'el- 

 low. 



[88.] Busarellus nigricollis (Latham). Black-collared Hawk. 

 [89.] Urubitinga urubitinga (Gmelin). Brazilian Eagle. 



