BIRDS OF NORTH AND MIDDLE AMERICA. 447 



hb. Lateral crown-stripes deeper ohestnut-1)rown or chestnut, sharply contrasted 

 with the grayish median stripe. 

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

 more or le.ss huffy. {Arremuiiops supercUiosus.) 

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

 sides of head more buffy than chest; under wing-coverts brighter yel- 

 low ; wings rather brighter olive-greenish. ( Pacitic coast of Costa Rica. ) 

 Arremonops superciliosus superciliosus (p. 449) 

 «?(?. Lateral t'rown-stripes and postocular strij^e clearer chestnut; throat and 

 sides of head not more buffy than chest; under wing-coverts paler vel- 

 low; wings rather duller olive-greenish. 

 ('. Median crown-stripe, l>ack, etc., more decidedly olive-greenish. (South- 

 western ]\Iexico, State of Oaxaca to Colima. ) 



Arremonops superciliosus sumichrasti (p. 450) 

 ee. Median crown-stripe, back, etc., grayer. (Western ^lexico, in State of 

 Sinaloa and Territory of Tepic. ) 



Arremonops superciliosus sinaloae (p. 450) 

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

 head grayish (becoming white on throat). (Yucatan. 1 



Arremonops verticalis (}). 451) 

 «o. Lateral crown-stripes black or blackish brown. 



L Wing less than 69.85; lateral crown-stripes brownish l)lack, sometimes streaked 

 with brown. (States of Chiapas, Campeche, and Tal)asc(), soutliern Mexico; 



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



III). 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 strongly grayish. 

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

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

 duras to Panama Railroad. ) Arremonops conirostris richmondi i p. 458 ) 



ARREMONOPS RUFIVIRGATUS RUFIVIRGATUS (Lawrence). 

 TEXAS SPARROW. 



Adults (.srrfv.y alih'). — Above plain grayish olive-gTeen (wing's and 

 tail l)rig-hter). the pileimi with two broad lateral .stripe.s of che.stnut- 

 l»i-own. separated by 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 al)domen). 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. — Above 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. 



Adn/f /««/^.— Length (skins). 134.62-152.40 (145.03): wing, 62.23- 

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



