BIRDS OF NORTH AND MIDDLE AMERICA. 447 



bb. Lateral erown-stripes deeper chestnut-l)ro\\ii or i-hestnut, nharply rontrasted 

 with tlie grayish median stripe. 

 c. Lateral crown-stripes uniform chestnut; anterior under parts and sides of head 

 more or less huffy. {,lrreiniiii,op,i superciliosus.) 

 d. Lateral crown-stripes and postocular stripe darker chestnut; throat and 

 sides of head more huffy than chest; under wing-t:overts brighter yel- 

 low; wings rather brighter olive-greenish. { Pacific coast of Costa Rica.) 

 Arremouops superciliosus superciliosus (p. 449) 

 dd. Lateral crown-stripes and postocular stripe clearer chestnut; throat and 

 sides of head not more bulfy than chest; under wing-coverts paler yel- 

 low; wings rather duller olive-greenish. 

 e. Median crown-stripe, back, etc., more decidedly olive-greenish. (South- 

 western Mexico, State of Oaxaca to Colima. ) 



Arremonops superciliosus sumiclirasti (p. 450) 

 ee. Median crown-stripe, back, etc., grajwr. (Western ilexieo, in State of 

 Sinaloa and Territory of Tepic. ) 



Arremonops superciliosus siualose (p. 450) 

 fc. Lateral crown-stripes streaked with black; anterior under parts and sides of 

 head grayish (becoming white on throat). (Yucatan.) 



Arremonops verticalia (p. 451) 

 aa. Lateral crown-stripes black or blackish brown. 

 b. AVing less than 69.85; lateral crown-stripes brownish black, sometimes streaked 

 with brown. (States of Chiapas, Campeche, and Tabasco, southern ]Mexico; 



Guatemala; British Honduras. ) Arremonops chloronotus (p. 452) 



bb. Wing not less than 69.85; lateral crown-stripes deeper black, never streaked 

 with brown. {Arremonops conirostris.) 

 c. Back, etc., lighter and duller olive-greenish; chest less stronglj' grayish. 

 (Colombia to Panama Railroad. ) . .Arremonops conirostris conirostris (p. 453) 

 K. Back, etc., deeper and brighter olive-green; chest distinctly ash gray. (Hon- 

 duras to Panama Railroad. ) Arremonops conirostris richmondi ( p. 453 ) 



ARREMONOPS RUFIVIRGATUS RUFIVIRGATUS (Lawrence). 

 TEXAS SPARROW. 



Adults {sexes aliJi'e). — Above plain grajdsh oli-^'e-green (wings and 

 tail brighter), the pileum with two broad lateral stripes of chestnut- 

 brown, sepai'ated bj^ a median stripe of olive or grayish olive-green; 

 sides of head dull grayish, relieved by a postocular and loral streak of 

 chestnut-brown; a narrow orbital ring of dull white, interrupted before 

 and behind; under parts dull whitish (pure white on abdomen), the 

 chest, sides, and flanks shaded with buffy grayish; edge of wing light 

 yellow; bill dusky brown, the mandible paler; iris brown; legs and 

 feet light horn brownish, the toes rather darker. 



Young.— AboYQ dull brownish, including pileum, the remiges and 

 rectrices edged with olive-greenish, the wing-coverts edged and tipped 

 with fulvous; beneath similar, but rather paler, becoming buffy or 

 fulvous on abdomen. 



Adidt male.— Length, (skins), 134.62-152.40 (145.03); wing, 62.33- 

 67.31 (65.79); tail, 62.23-69.85 (65.28); exposed culmen, 12.19-13.97 



