BIBDS OF NOETH AND MIDDLE AMEEICA. 



305 



edged (except distally) with pale yellowish oHve; upper tail-coverts 



pale buffy yellow; tail dull black, the middle pair of rectrices with 



inner web and inner portion of outer web pale buffy yellow (pale 



naples yellow or straw yellow), the two outer pairs with a broad, 



obUque sub terminal area of the same or pale yellowish buff; auricular 



region plain light yellowish or buffy ohve, the feathers along upper 



: margin with a guttate or cuneate streak of dull white, the general 



; light buffy olive color fading below to pale olive-buffy on chin and 



I throat, this passing into deeper olive-buffy or pale buffy olive (more 



buffy than color of auricular region) on chest and upper breast; rest 



of under parts light buffy yellow (nearly straw or naples yellow) 



rather broadly but not sharply streaked with grayish brown or olive; 



under wing-coverts mostly buff, the inner webs of remiges broadly 



edged with pale yellowish buff or buffy yellow; bill blackish ter- 



^minally, more grayish basally; feet dusky grayish (in dried skins); 



' length (skins), 83-85 (84); wing, 49.5-53.5 (51.4); taU, 24-25.5 (24.6); 



culmen, 10.5-12 (11.1); tarsus, 11.5-12.5 (12); outer anterior toe, 



10-10.5 (10.4).» 



Adult female. — Similar to the adult male, but crown without orange 

 streaks (sparsely and minutely dotted with white), the ground color 

 darksooty brown rather than blackish; length (skin), 76; wing, 50,5; 

 tail, 24; culmen, 12; tarsus, 12.5; outer anterior toe, 10.5.* 



Young male. — ^Essentially hke adults, but dark sooty of pileum 

 ^passing anteriorly into light brownish gray on forehead, nape and 



■^ Four specimens. 

 b One specimen. 



Average measurements of the several forms of this species (according to material 

 examined) are as follows: 



Locality. 



Wing. 



Ex- 

 posed 

 ctilmen, 



Tarsus. 



Outer 

 ante- 

 riortoe. 



MAI.ES. 



Seven adult males of F. o. oUvaceus (from Bogota, Colombia). . 



(No adult males of P. o. granaderisis seen) 



Four adult males of P. o. panamensis (from eastern Panama). . 



Ten adult males of P. o. flavotimtiK from southwestern Costa 



Elca 



S5.8 



28.8 



11.6 



12.4 



10.4 



Three adult males of P. o. dimotus from Honduras (2) and 

 eastern Nicaragua (1) , 



FSMALES. 



One adult female of P. o. olivacem, from Bogota 



Four adult females of P. u. granademis, from near Honda, 



western Colombia 



' One adult female of P. u. panamensis, from eastern Panama. . , 

 Ten adult females of P. o. flavoHnctus, from southwestern 



Costa Rica 



One adult female of P. o. dimotus, from Honduras 



61.4 

 63.1 

 63.3 



64.6 



64.2 

 60.5 



62.7 

 64 



24.6 

 27.7 

 28 



2a6 



27.2 

 24 



27.7 

 27.6 



11.1 



11 



12.3 



10.6 



11.2 

 12 



11 



11 



12 

 12.2 

 12.5 

 12 



12.2 



12.5 



12.2 

 12.5 



10.4 

 10.7 

 11.2 



9.6 



10.5 

 10.5 



10.4 

 10.5 



3622°— Bull. 50, pt 6—14- 



-20 



