264 BIRDS OF THE REPUBLIC OF PANAMA — PART 3 



18. Wings and back plain ; larger, wing more than 80 mm. 



Adult male, One-colered becard, Platypsaris homochrous 



homochrous, p. 286 

 Scapulars and wings marked prominently with white 19 



19. Under surface plain gray. 



Adult male, White-winged becard, Pachyramphtis 

 polychopterus similis, p. 281 

 Under surface whitish to yellowish, barred narrowly with dark gray. 



Barred becard, Pachyramphus versicolor costaricensis, p. 273 



20. Tail black, tipped with white ; forehead white. 



Adult male, Black-and-white becard, Pachyramphus 

 albogriseus ornatus, p. 284 

 Tail gray, forehead black, like crown. 



Adult male. Cinereous becard, Pachyramphus rufus, p. 279 



21. Lower surface partly or wholly pale yellow 22 



Lower surface cinnamon-buff to nearly white 23 



22. Crown and back grayish brown, smaller, wing less than 75 mm. 



Female, White-winged becard, Pachyramphus polychopterus 



similis, p. 281 

 Crown bright brown, with a black band on sides and nape. 



Female, Black-and-white becard, Pachyramphus 

 albogriseus ornatus, p. 285 



23. Larger, wing more than 80 mm. 



Adult female, One-colored becard, Platypsaris homochrous 



homochrous, p. 286 

 Smaller, wing less than 80 mm 24 



24. Alula and outer primary coverts wholly or partially black. 



Female and immature male. Cinereous becard, Pachyramphus rufus, p. 279 

 Alula and primary coverts brown. 



Cinnamon becard, Pachyramphus cinnamomeus, p. 275 



COTINGA RIDGWAYI Zeledon: Ridgway's Cotinga, 

 Cotinga de Ridgway 



Cotinga ridgwayi Zeledon, in Ridgway, Proc. U.S. Nat. Mus., vol. 10, April 25, 

 1887, p. 1, pi. 6, figs. 3, 4. (Pozo Azul de Pirris, Costa Rica.) 



Medium size ; male bright blue, throat and spot on breast purple ; 

 female, bufify on lower surface, spotted with dusky. 



Description. — Length 170-185 mm. Male, with ninth and tenth 

 primaries definitely shorter than the eighth, the tip of the ninth much 

 narrowed ; female with the eighth and ninth slightly narrower ; upper 

 tail coverts shorter, not more than two-thirds length of tail. Adult 

 male, bright blue (the feathers black at base) ; wings and tail black, 

 with the wing coverts and secondaries edged with bright blue; a 

 narrow black orbital ring; a narrow line of black on forehead at 

 base of bill and on anterior lores ; chin bright blue mixed with black ; 

 throat, foreneck. and upper margin of breast blackish purple ; center 

 of breast and upper abdomen dark purple; rest of lower surface 



