48 U.S. NATIONAL MUSEUM BULLETIN 221 



178429. Adult male. Great Nicobar Island, Nicobar Islands, Bay of 

 • ^ ' Bengal northwest of Sumatra. March 20, 1901. Collected by William 

 L. Abbott. 

 Richmond gives as the exact type locality Pulau Kunyi, but reference to 

 Boden Kloss (In the Andamans and Nicobars, pp. 141-153, 1903) shows 

 that the bird may have been shot anywhere within an area bounded on the 

 west by Pulau Kunyi village, on the east by the Dagniar River, and on the 

 south by the shore of Casuarina Bay. 

 Spilornis abbotti Richmond 



Proc. U.S. Nat. Mus. 26: 492, February 4, 1903. 

 =Spilornis cheela abbotti Richmond. See Meise, Joum. fiir Orn. 87: 71, 



January 1939. 

 179094. Adult male. Simalur Island, Barussan Islands, eastern Indian 

 Ocean off Sumatra. December 13 (not 1), 1901. Collected by William 

 L. Abbott. 



Family FALCONIDAE: Falcons, Caracaras 

 Genus PHALCOBOENUS D'Orbigny 



Ibycler circunicinctus Scott 

 Auk 27 (2) : 152, April 1910. 



=Phalcoboenus albogularis Gould. See Peters, Checklist of birds of the 

 world 1:280, 1931. 



335166. Adult male. Near the settlement of Chubut, Territory of Chubut, 

 Argentina, February 1896. Collected by 0. A. Petersen? Original 

 number 8. Received from the Princeton Museum of Zoology (where it 

 was No. 8993), which institution acquired it from the Museo de La 

 Plata. 



Genus POLYBORUS Vieillot 



Polyborus Audubonii Cassin 



Proc. Acad. Nat. Sci. Philadelphia, p. 2 (not earlier than January 31), 

 1865. 

 =Polyborus cheriway audubonii Cassin. See Peters, Checklist of birds 



of the world 1:281, 1931. 

 1977. Immature (sex not indicated). Saint Augustine, Saint Johns 

 County, Florida. Received from Spencer F. Baird, who acquired it 

 from John J. Audubon. 

 Audubon's type specimen of the Florida caracara was shot for him by 

 his assistant on November 27, 1831, at Saint Augustine; while he later saw 

 other specimens, he seems to have had but one in his own collection. The 

 bird was sent to Dr. Richard Harlan of Philadelphia (see Burns, Wilson Bull. 

 21: 103-104, 1909). 



Cassin (loc. cit.) states: "The specimen now described is Mr. Audubon's 

 type from Florida, presented by him to this Academy"; Stone, however 



