676 PATAGONIAN EXPEDITIONS: ZOOLOGY. 



late in Nov.); Aplin, Ibis, 1894, p. 193 (Uruguay, probably resident, 



not observed breeding). 

 Otus brachyotus var. cassini, Oust. Miss. Scient. Cap Horn, Oiseaux, pp. 



42, 324 (1890: Oa?y Harbour: Orange Bay, May). 

 Asio accipitrinus var. cassini, Schalow, Zool. Jahrb. Suppl. IV. p. 698 



(1898: Cabo Espiritu Santo, East Fuegia, Feb.) 



GENERAL DESCRIPTION. 



Size. Adult male, P. U. O. C. 8693. La Plata, Argentina, August, 

 1898. S. Pozzi, collector. 



Total length, 14.25 inches. 



Wing, 12.00 inches. 



Culmen, 0.60 inches. 



Tail, 6.00 inches. 



Tarsus, 1.75 inches. 



Female birds average a little larger than males. P. U. O. C. 7879, 

 Pacific Slope, Cordillera, Patagonia, 13 March, 1897. J. B. Hatcher, col- 

 lector. Or. No. 610. Length, 15.40; wing, 12.50; tail, 6.50 inches. 



FIG. 345. 



Asio flammeus, showing the hairy bristles about the bill. Natural size. 



Color. Adult male cited. 



General color: Ground-color throughout, pale buffy yellow, or ochraceous. 

 Marked generally with median stripes of dark brownish, varying in width 

 and definition. 



Head : Small, inconspicuous ear-tufts above the facial disk. Eyebrows 

 and loral region whitish, with strong bristles having black shafts ; facial 

 disk whitish, finely striped on the outer margin with deep brown ; on the 

 inner part, around the eye, this brown pervades, the lighter color hardly 



