Ridgway.] 92 [May 21 



parts varying from speckled with lighter. Upper 

 brownish gray to chocolate-brown ; ground-color of 

 the lower parts pure white. 



Tail, and stripes on sides, not darker than the 

 back; tail-bands 6, and continuous; toes rather 

 thickly feathered, wing, 3.90; tail, 2.20; cul- 

 men, .55; tarsus, .50. Hah. Northern por- 

 tion of the Palsearctic Realm. 



var. passerinum. 



Tail, and stripes on the side, much darker than 

 the back; tail bands 7 (d") -8 ($), not con- 

 tinuous; toes only scantily haired; wing, 

 3.50-4.00; tail, 2.50-2.80; culmen, .43-48; 

 tarsus, .60 ; middle toe, .55. Hah. Western 

 Province of Neartic Realm (Pacific coast 

 and Arizona; Mus. S. I.; Colorado; Aiken; 

 Mexico — table-lands? Coll. G.N.Lawrence). 

 var. californicum. 



2. G. pumilum. Tail dusky brown, or brownish black, with 



4-5 white or whitish bands, these composed of spots, 

 most distinct on the inner webs. Sides of the breast 

 not speckled with lighter. Above, chocolate-brown, 

 the head more grayish. Stripes on the sides more 

 rufescent. Wing, 3.30-3.70; tail, 2.10-2.15; cul- 

 men, .40; tarsus, .50; middle toe, .60. Hah. Trop- 

 ical America, from Brazil to Guatemala. 



3. G. lansbergii. Tail dark brown, with 7-8 continu- 



ous bands of bright rufous. Sides of the breast with 

 or without lighter spots. Above bright ferrugin- 

 eous, with transverse bars of lighter ; beneath, light 

 rufous, the stripes on the sides deeper rufous. Wing, 

 4.10-4.20; tail, 2.80-2.90; culmen, .45; tarsus, .70; 

 middle toe, .70. Hah. Brazil. 



4. G. jarbini. Tail deep black, with seven transverse 



series of elliptical spots of pure white. Sides of the 

 breast with transverse spots of whitish ; sides almost 

 continuous umber-brown, variegated with irregular 

 longitudinal spots posteriorly. Above, very dark sepia- 

 brown, variegated on the wings and scapulars with 

 transverse spots or bars of whitish. Wing, 3.90- 



