GEOTHLYPIS. 



219 



Locality. 



When 

 CoUecteU. 



Received from 



Collected by 



Uuiou County, 111. 

 Cherokee Nation. 

 Liberty County, Ga 

 Clioctun, Vera Paz. 

 Guatemala. 



May 15. 

 July].), '49. 



R. Kennicott. 

 Dr. Woodhouse. 

 Prof. Leconte. 

 0. Salvin. 

 Cab. Lawrence. 



R. Kounicott. 

 Dr. Woudhou.se. 



Salvin & God man. 



GEOTHLYPIS, Cab. 



Triclias, Swains. Zool. Jour. 1827, 167 (not of Glogek). 

 Geothli/pis, Cab. Wiegm. Archiv, 1847, i, 316, 349. (Type Tardus iri^ 

 chas, Linn.)— Baihd, Birds N. Am. 1858, 240. 



Species of Geolhlyjyis are found tliroughoiit America, some of 

 them liaviiig a wide distribution. Most, however, belong- to the 

 northern and middle sections of the continent. They may be 

 arranged as follows : — 



Forehead crossed by a broad black mask, which passes over the 

 eyes, cheeks, and ears. Crown and occiput without a pure 

 ashy patch. 



The black mask bordered above and behind by whitish of 

 more or less extent ; nape tinged with brown. 



Beneath yellow ; belly and anal region whitish in 

 distinct contrast ; lining of wings white. Mask 

 narrowly bordered by bluish-gray . . trichas. 



Beneath throughout uniform rich yellow ; lining 

 of wings yellow. Mask broadly bordered by 

 bluish-white ...... vielanops. 



The black mask without whitish border, and extending 

 farther back on the head. 



Beneath, including inside of wings, yellow . . speciosa. 

 Paler green above ; brighter yellow beneath than 



the last ....... semiflava. 



Forehead crossed by a narrow black mask, which extends to 

 the eyes, sometimes through them over the ears ; not bo^-- 

 dered behind by whitish. Top of head ashy, in decided 

 contrast. Beneath yellow. 



The black extending through the eye over the ears. Eye- 

 lids black. 



Bill slender ; the height less than half the distance 

 from nostrils to tip ; culmen nearly straight. 

 Ashy of crown extending over side of head 

 to the black of the ears .... velata. 



Bill stouter ; height about equal to half the dis- 



