124 BULLETIN 117, UNITED STATES NATIONAL MUSEUM. 



(4457) CASSICUS CHRYSONOTUS d'Orbigny and LRfresnaye. 



Cassicus chrysonotus d'ORBiGNY and Lafresnaye, Syn. Av., pt. 2, p. 3 (Yungas,. 

 Bolivia). 



Torontoy. 1. 



(4479) AGELAIUS THILILS (Molina). 



Turdus thilius Molina, Sagg. Storr. Nat. Chile, 1782, p. 211 (Chile). 



Agelasticus thilius Sclater and Salvin, Proc. Zool. Soc, 1869, p. 153 (Tungasuca).. 



Agelaeus thilius Berlepsch and Stolzmann, Ornis, 1906, p. 103 (Suriti; Cuzco), 



Galea, 1. 



Family CORVIDAE. 



CROWS, JAYS. 



(4547) CYANOCORAX VIOLACEUS Du Bus. 



Cyanocorax violaceus Du Bus, Bull. Acad. Brux., vol. 14, 1847, p. 103 (Peru), 



A species of the Tropical Zone. 

 Rio Comberciato, 2. 



(4549) XANTHOURA YNCAS YNCAS (Boddaert). 



Corvus yncas Boddaert, Tabl. PI. Enl., 1783, p. 38 (Peru). 



Cyanocorax incas Sclater and Salvin, Proc. Zool. Soc, 1876, p. 16 (Huiro). 



Xanthoura yncas Berlepsch and Stolzmann, Ornis, 1906, p. 85 (Idma). 



Common in the Subtropical Zone. 



San Miguel Bridge, 6; Santa Rosa, 1; Idma, 2. 



(4555) CYANOLYCA JOLYAEA (Bonaparte). 



Cyanocitta jolyaea Bonaparte, Journ. fiir Omith., 1853, p. 47 (Peru). 

 Xanthoura jolyaea Berlepsch and Stolzmann, Ornis, 1906, p. 85 (Tambillo). 



(4555a) CYANOLYCA VIRIDICYANEA CUZCOENSIS Sclater. 



Cyanolyca viridicyanea cuzcoensis Sclater, Ibis, 1917, p. 465, pi. 8, fig. 1 (Hua- 

 Bampilla, altitude 10,000 feet, Peru). 



Tliis form requires comparison with 0. jolyaea of which I have seen 

 no specimens. It inhabits the forests of the humid Temperate Zone 

 and hence is not found in the treeless Cuzco region. 



Torontoy (9,500 feet), 1. 



