PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 95 

 List of Specimens Examined.* 



Locality. 



10400 



r. S. 



1C431 



r. s. 



16430 



r. s. 







S.&G. 







S, <fc G. 



_ 



S.&G. 





S&G. 





S. Sc. G. 





S.iG. 





S.iG. 





G.X.L. 





G. W. L 





G. ST. L 



50946 



U. S. 



7r05 



M.CZ. 



30966 



U. S. 





S-jcG. 





S.&G. 





S.& G. 





G. XL- 



2270 



RE. 



30416 



r. s. 



67376 



U.S. 



€T,s" 



r. s. 



9 r. 

 I £• 



£ Si. 

 —jut. b. 



— br. 



— Br. 

 ad. r. 

 atLb. 

 ad.g. 

 rf g. 



S r. 



2g. 

 ad. g. 

 ad. r. 



cf r. 



ail. g- 



ad. g. 



ad.g. 



ad. g. 

 juv. b. 

 juv. b. 



Buenos Ayres 



Paragnav*. 



Brazil 



do 



do 



Brazil (Bahia) 



do 



do 



Brazil (St. Catherine's) 



Brazil 



do 



Brazil (Bahia) 



do 



Southern Brazil 



Brazil (Pernambnco) ... 



Ecuador (Xapo) 



Colombia (Medellina) . . 

 do 



Columbia (Bogota) 



do 



Guatemala 



Costa Eica (San Joee) .. 



Costa Eica 



do 



Date. 



June, 



Aug., 



1859 

 1=59 



6.00 

 6. -25 

 6.20 

 6. 00 

 7.90 

 6.90 

 6.60 

 6.25 

 6.40 

 7.50 

 6.10 

 CeO 

 7.00 

 7.50 



5.20 

 4.+) 

 4.00 



a 70 



4.00 

 4.90 



3.80 

 4.30 



4.:o 



4. 



40 4.30 



30 4.50 



15 4.40 



00 4. 10 



.65 



.52 

 .52 

 .52 

 .65 

 .60 



'.*60 



20 

 9) 



1.40 



1.26 

 1-20 

 1.03 

 1.-20 

 L50 

 L15 

 1.30 

 L£0 

 L26 

 1.15 

 1.25 

 L20 

 L 12 



.35 

 .90 

 .35 

 1. CO 

 .95 

 . -5 

 . 75 



LOO 



.r5 

 .93 

 -9S 

 .98 



1. >> 



.90 

 .95 

 .90 



*In these tables, the initials in tbe column headed Museum stand for the following : "" "T. S."'.=United 

 States National Museum: "S. i G.",= Museum Sal v in <fc Godaian : " G. X. L ".= Museum of George X. 

 Lawrence, esq. ; "M C Z.".= Museum of Comparative Zoology. Cambridge. Mass. : "'E.E. . = Museum 

 of B. Bidgway. In the next column, the letters or, r, and & indicate tbe gray, ru/us. and brown »or 

 intermediate) phases respectively. The measurement of the culnien does not include the cere : the 

 tail is measured to the extreme base of the coccyx, and the middle toe to the base of the claw. 



3. atricapiUust 



TShrix atricapilla, "Natt.", Temm., PI. Col. II, 1838, pi. 145. 



Scops atricapilla, Stephens, Shaw's Gen. Zool. XIII. pt. 2, 1=26, p. 51. pi. 39. — Cuv., 

 Reg. Anim. ed. 2, 1829, 347.— Boxap., Coiisp. I. 18C0. 46.— Kaup. Codtt. Orn. 

 1852, 112.— Strickl., Orn. Syn. I, 1^55, 202.— Burh., Th. Bras. II, IS "36, 128. 

 Ephialiies atricapilla, Gray, Genera B. I, 1844, 38, pi. 13, fig. 2 (head).— Pelz., 



Orn. Bras. 1870, 9 (?). 

 Megascops atricapilla, Kaup, Trans. Zool. Soc. Lond. IV. 1859. 228. 

 Asio atricapillus, Boxap., Rev. et Mag. de Zool. 1854. 543. 

 f Epkialites iratsoni, Cass., Pr.Acad. Nat. Sci. Phila. IT, Dee. 1848,123: Journ. Phila. 

 Acad. II, 1852, 95, pi. xii, fig. 1. 

 Scops tcatsoni, Boxap., Consp. 1, 1850, 46. — Gray, Hand-1. 1, 1869, 47. 

 Asio icatsoni, Boxap., Eev. et Mag. de Zool. 1854, 543. 



Diagnosis. — Adult male, gray phase (Mas. O. S. & F. D. G., Engento do 

 Gama, Brazil, Aug. 18, 1326; batterer). — Wing, 6.S0; tail, 4.00: cnlmen, 

 .55; tarsns, 1.15; middle toe, .SO. Facial circle, ear-tufts, and pileum 

 sooty-blackish, on the latter broken by minute grayish and faint falYous 

 mottling, this prevailing on the forehead and eyebrows; outer webs of 

 ear-tufts nearly uniform blackish, but inner webs conspicuously spotted 

 or indented with pale fulvous and whitish. Orbital region dusky — con- 

 spicuously so in front of and above the eye — the face growing paler on 

 the cheeks, next the blackish facial ring, where the color is pale grayish, 



