PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 95 



List of Speclmena Examined* 



Locality. 



Buenos Ayres . 



Paraguay 



Brazil 



do 



do 



Brazil (Babia) 



do 



do 



Brazil (St. Catherine's) . 



Brazil 



do.... 



Brazil (Bahia) 



, do 



Southern Brazil 



Briiiiil (Pernambuco) ... 



Ecuador (Napo) 



Columbia (Medellina) . . . 



do 



Columbia (Bogota) 



Guatemala 



Costa Rica (San Jos6) . . 



Costa Rica 



do 



Date. 



June, 1859 

 Aug., 1859 



6. 55 

 6. 55 

 6.40 

 7.00 

 C.65 

 6.25 

 6.20 

 6.00 

 7.90 

 6.90 

 6. CO 

 6.25 

 0.40 

 7.50 

 6. 10 

 G. to 

 7.00 

 7.50 

 7.40 

 7.30 

 7.15 

 7.00 



4.00 

 4.00 



4.05 

 4.30 

 4.20 

 4.00 



3.80 

 5. 20 

 4.40 

 4.00 

 3.70 

 4.00 

 4.90 

 3.80 

 4.30 

 4.20 

 4.60 

 4.30 

 4.50 

 4.40 

 4.10 



.58 

 .58 

 .00 

 .05 

 .60 

 .57 

 .60 

 .55 

 .65 



.52 

 .52 

 .52 

 .65 

 .60 



.60 

 .70 

 .60 

 .55 

 .65 

 .58 



1.10 

 1.20 

 1.20 

 1.20 

 1.30 

 1.20 

 1.20 

 1.10 

 1.40 

 1.28 

 1.20 

 1.05 

 1.20 

 1.50 

 1.15 

 1.30 

 1.20 

 1.28 

 1.15 

 1.25 

 1.20 

 1.12 



.82 

 .90 

 .85 

 .90 



.85 

 .90 

 .85 

 1.00 

 .95 

 .85 

 .75 



1.00 

 .85 

 .98 

 .98 

 .98 



1.00 

 .90 

 .95 

 .90 



*In these tables, the initials in the column headed Museum stand for the following : " U. S.",=United 

 States National Museum; "S. & G.",= Museum Salvin (fcGodman; "G. N. L.",= Museum of George N. 

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

 of R. Ridgway. In the next column, the letters g, r, and h indicate the gray, rufas, and brown (or 

 intermediate) phases respectively. The measurement of the culmen 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. atricapillus? 



tStrix atncapiUa, "Natt.", Temm., PI. Col. II, 1838, pi. 145. 



Scops atricapilla, Stephens, Shaw's Gen. Zool. XIII, pt. 2, 1826, p. 51, pi, 39.— Cuv., 



lihg. Anim. ed. 2, 1829, 347.— Bonap., Cousp. I, 18uO, 46.— Kaup, Coutr. Oru. 



1852, 112.— Stkickl., Orn. Syn. I, 1855, 202.— Burm., Tb. Bras. II, 1856, 128. 

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



Orn. Bras. 1870, 9 (?). 

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

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

 f Ephialites ivatsoiii, Cass., Pr. Acad. Nat. Sci. Pbila. IV, Dec. 1848,123; Journ. Phila. 



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

 Scojys tvatsom, Bonap., Cousp. I, 1850, 46.— Gray, Haud-1. 1, 1869, 47. 

 Asio tvatsoni, Bonap., Rev. et Mag. de Zool. 1(:54, 543. 



Diagnosis. — Adult maU, gray plime (Mus. O. S. & F. D. G,, Engento do 

 Gama, Brazil, Aug. 18, 1S2G; batterer).— Wing, 0.80; tail, 4.00; cnlmen, 

 .55; tarsus, 1.15; middle toe, .80. Facial circle, ear-tufts, and pileum 

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

 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, 



