2M 



Species of the Genus Pipra. 



f With a dark green jugular band sharply- 

 defined against the clear yellow ab- 

 domen. Wing 57 mm P exquisita 2 . 



25. \ Throat and fore -neck dull greenish 

 olive, this colour insensibly passing 

 into the yellow of the abdomen. 

 ^ Wing 53 mm P. serena § . 



f-ci i j , ,1 I P. coronata 2 . 



rorehead and crown dark grass-green I ^ 



,.,,,,, {P. velutma V . 



like the back + 



j I P. cceruleocapula 2 ■ 



> Forehead and crown yellowish olive, 



decidedly different from the dark 



green back P. isidorii 2 • 



Wing never exceeding 53 mm. — 28. 



Wing always more than 55 mm. — 29. 



Outermost rectrix much narrowed and 



shortened, at least 10 millimetres less 



than the longest. A large bright 



28. -j yellow vertical patch P. virescens rf 2 . 



Outermost rectrix quite as long as the 



middle pair and not abnormally 



. shaped. No yellow vertical spot . . P. stolzmanni J 2 • 



„ /Throat dull yellow J £ "'" * ' 



:9. < J I P. fascucauda § . 



(Throat greenish or greyish. — 30. 

 fAxillaries and under-wing-coverts dull 

 grey. Head above slate - grey or 

 j mixed with grey. — 31. 



30. \ Axillaries and under-wing-coverts pale 

 yellowish or whitish. Head above 

 pure olive-green like the back, with- 

 out any greyish admixture. — 32. 



("Top of the head green, mixed with slate- 

 grey. Tail shorter, 25-30 mm P. leucocilla 2 . 



31. ■{ Top of the head pure slate-grey. 



| Tail 30-34 mm. P. I. coracina 2 ■ 



) Tail 36 mm. P. I. comata $ . 



(-Tail strongly rounded, the outermost 



rectrix being about 5 mm. shorter 

 39 J 



than the longest P. chloromeros 2 ■ 



iTail square. — 33. 



00 (Tail very short, 21-24 mm P. erythrocephala 2 • 



' j Tail always more than 25 mm. — 34. 



fAxillaries and under-wing-coverts pale 



yellow. Under-parts strongly washed , P. mentalis 2 ■ 



34. <J with olive-green jP. m. ignifera 2 ■ 



Axillaries and under-wing-coverts dirty ( P. m. minor 2 ■ 



[_ whitish; under-parts greyish green. . P. rubrocapilla 2- 



