FAMILY FORMICARIES 



cc. Narrowly and more distinctly barred on 

 upper parts. 



d. Black barred with white 



. . . Cymbilaimus lineatus fasciatus, male 

 dd. Black becoming rufous on head; barred 



with buff 



Cymbilaimus lineatus fasciatus, female 



bb. Both upper and lower parts spotted, throat 



and chest black, upper breast rufous tawny, 



remainder of plumage pale olive brown with 



black spots 



. .Phanostictus me. mcleannani (sexes alike) 



aa. Barred or streaked only on lower parts, stout, 

 terrestrial ant birds with long legs, tail exces- 

 sively short. 

 b. Larger, length 175 mm. (6.90 in.), upper parts 



vandyke brown, top of head black. 



c. Feathers of throat black with chestnut tips, 



under parts white with heavy U-shaped 



bars of black . .Pittasoma m. michleri, male 



cc. Throat white, feathers tipped with black and 



chestnut, under parts buffy white with 



lighter U-shaped bars of black 



Pittasoma m. michleri, female 



bb. Smaller, length 125 mm. (4.95 in.), upper parts 

 dark olive brown, under parts white, heavily 

 streaked with black on breast and tinged 



with tawny 



Hylopezus p. perspicillatus (sexes alike) 



AA. Upper and lower parts without conspicuous bars,. 



spots or streaks. 

 a. With white on under parts. 



b. Under parts immaculate white; larger, length 



162 mm. (6.40 in.); bill stout, 

 c. Black above. . . Tar aba t. transandeana, male 



cc. Chestnut above 



Taraba t. transandeana, female 



bb. Under parts partially white; smaller, length 

 150 mm. (5.90 in.) or less, bill narrow, 

 terrestrial. 



c. Throat, chest, and breast white, the chest- 

 nut of remainder of plumage encroaching 

 in an irregular outline on white area of 



chest and breast 



Gymnopithys b. bicolor (sexes alike)* 



240 



