1873.] 93 [Eidgway. 



4.20; tail, 2.70; culmen, .45; tarsus, .75; middle 

 toe, . 70. Hab. New Granada to Guiana. 

 b. Markings on the crown in form of longitudinal streaks, or 

 lines. 



5. G. ferrugineum. Tail dark brown, crossed by 7-9 



continuous bands of bright rufous, about the same 

 width as the brown ones. Above, varying from gray- 

 ish brown to bright ferrugineous, without lighter trans- 

 verse bars on the dorsal region ; beneath, varying from 

 pure white to pale rufous, the stripes on the sides 

 grayish brown, or rufous. Sides of the breast never 

 speckled with lighter. Wing, 3.70-4.15; tail, 2.20- 

 2.90; culmen, .45-.50; tarsus, .70-.80; middle toe, 

 .70-. 75. Hab. Tropical America, from southern bor- 

 der of U. S., (Arizona, Bendire ; and probably Texas) 

 to southern Brazil. Both coasts of Middle Amer- 

 ica, but apparently only the Atlantic slope of South 

 America. 



6. G. infuscatum. Tail dark brown, crossed by 6-7 



non-continuous bands of white, narrower than the 

 dark ones. Above, varying from grayish brown to 

 reddish umber and sepia (apparently never rufous). 

 Beneath white, the stripes on the sides grayish brown, 

 or dark brown. Sides of the breast not speckled. 



Above, dark sepia, or blackish brown. Tail 

 brownish black, or deep black. Wing, 3.70- 

 3.90; tail, 2.50-2.90; culmen, .45; tarsus .65- 

 .80; middle toe, .65-.70. Ilab. Eastern South 

 America (Paraguay to New Granada). 



var. infuscatum. 



Above, grayish, or reddish, umber. Tail clear 

 dark brown, or grayish umber. Wing, 3.60- 

 3.90; tail, 2.35-2.75; culmen, .45-.50; tarsus, 

 .65-.80; middle toe, .60-. 70. Hab. Whole of 

 Middle America, from the Eio Grande (per- 

 haps in Texas) to Panama. . . var. gnoma. 



7. G. nanum. Tail brown, crossed by 8-12 continuous 



bands of reddish white, or rufous, not more than half 

 as wide as the brown ones. Brown of the sides 

 much broken anteriorly by white spotting, and forming 



