60 BULLETIN 117, UNITED STATES NATIONAL MUSEUM. 



(650) SPIZIASTUR MELANOLEUCUS (Vieillot). 



Spizaetus melanoleueus Vieillot, Nouv. Diet. d'Hist. Nat., 1816, vol. 4, p. 482 



(Guiana). 

 Geranoaetus melanoleueus Sclater and Salvin, Proc. Zool. Soc, 1869, p. 155 



(Tungasuca). 



(658) CHONDROHlER.\X UNCINATUS (Temminck). 



Falco uneinatas Temminck, PI. Col., vol. 1, 1824, pis. 103-105 (Rio Janeiro). 

 Leptodon undnatus Berlepsch and Stolzmann, Ornis, 1906, p. 99 (Echarate). 



Tdma, 1 female. 



(6G9) FALCO FUSCO-CAERULESCENS Vieillot. 



Falco fusco-caerulescens Vieillot, Nouv. Diet. d'Hist. Nat., vol. 11, 1817, p. 90 



(Paraguay). 

 Eypotriorchis femoralis Sclater and Salvin, Proc. Zool. Soc., 1869, p. 155 (Tinta). 



La Raya, female adult. 



(677) CERCHNEIS SPARVERIA subspecies. 



Tinnunculus sparverius Sclater and Salvin, Proc. Zool. Soc, 1869, p. 155 (Tinta); 



1876, p. 17 (Maranura; Potrero). 

 Tinnuncv.lus sparverius dnnamoviinus Berlepsch and Stolzmann, Ornis, 1906, 



p. 100 (Santa Ana). 



The sparrow hawk ranges from the Tropical Zone to the Puna and 

 is everywhere more or less common. Pending a revision of the 

 forms of this species, for which we have been some time securing 

 specimens, I make no attempt to determine subspecifically the fol- 

 lowing examples. 



Santa Ana, 1 female; Toiontoy, 1 female; OUantaytambo, 3 males, 

 3 females; Chospiyoc, 1 female; Ttica-Ttica, 1 male, 1 female; Calca^ 

 1 male; Cuzco, 1 male, 2 females. 



Order STRIGIFORMES. 



Family BUBONIDAE. 



OWLS. 



(684) BUBO VIUGINIANUS NACIRUTU (Vieillot). 



Strix nacurutu Vieillot, Nouv. Diet. d'Hist. Nat., vol. 7, 1817, p. 44 (Paraguay). 

 Bubo virginianus Sclater and Salvin, Proc. Zool. Soc, 1869, p. 155 (Tinta). 



Two specimens appear to be inseparable from a male from Corumba, 

 Brazil, and a female from Fort Wheeler, Paraguay, both of which 

 may be considered as topo typical of iiacurutu. These four birds are 

 quite unlike tliree from the Straits of Magellan region (Tierra del 

 Fuego, London Island, Rio GaUogos). The latter have the black 

 markings, especially of the upper parts, of greater extent more in- 

 tense and without a brownish tinge, the ocliraceous markings much 

 paler and less extensive and the pattern above much fmer, tlie 



