250 BIRDS OF THE REPUBLIC OF PANAMA — PART 2 



22. Base of tail chestnut ; secondaries dusky black, like rest of wing. 



Goldman's hummingbird, Goldmania znoliceps, p. 320 

 Base of tail broadly buff to cinnamon-buff ; inner secondaries cinnamon-buff 

 at base, forming a distinct spot. 



Pirre hummingbird Goethalsia bclla, p. 322 



23. Small ; with a distinct white or buff band across the rump 24 



Small to large ; without a light-colored rump band 26 



24. Tail feathers distinctly narrowed and elongated, with undersurface of 



shafts white Green thorntail, Popelairia conversii, p. 302 



Tail feathers of usual broadened form 25 



25. Breast and sides metallic green ; crown prominently cinnamon-buff. 



Rufous-crested coquette, Lophornis dclattri lessoni, p. 298 



Breast and sides cinnamon-buff ; crown and crest in male pure white ; in 



female sooty to green Adorable coquette, Lophornis adorabilis, p. 300 



26. Foreneck, upper breast and sides entirely metallic green; lower breast and 



abdomen pure white. 



Snowy-breasted hummingbird, Amazilia cdward, p. 327 

 Lower surface not as above 27 



27. Both upper and underside of entire tail glittering golden-green to bronze- 



green Blue-throated goldentail, Hylocharis eliciae earina, p. 318 



Tail not uniformly colored as above 28 



28. Base, or all, of tail buff, cinnamon-buff, rufous, or reddish purple 29 



Base, or all, of tail green or blue 42 



29. Small, wing less than 45 mm 30 



Larger, wing more than 50 mm 37 



30. Throat with a glittering colored gorget (adult males) 31 



Throat finely spotted or plain (adult female, immature male) 34 



31. Throat (gorget) metallic grayish green to dull purplish gray. 



Volcano hummingbird, Sclasphorns flammula torridus, adult male, p. 373 

 Throat (gorget) glittering orange-red, or purple-red 32 



32. Throat (gorget) glittering orange-red; very small, wing less than 36 mm. 



Scintillant hummingbird, Selasphorus scintilla, adult male, p. 377 

 Throat (gorget) deep red (purple-red) ; larger, wing 39 mm. or more. . 33 



33. Gorget with lower margin elongated laterally ; smaller, tail shorter, less 



than 30 mm. 



Glow-throated hummingbird, Selasphorus ardens, adult male, p. 375 

 Gorget with lower margin rounded, not elongated laterally ; tail longer, 

 more than 31 mm. 



Costa Rican wood-star, Philodice bryantac, adult male, p. 369 



34. Throat plain, without spots (except in young males as scattered feathers 



of the brilliant adult gorget begin to appear) 35 



Throat finely and uniformly spotted 36 



35. Throat cinnamon-buff like sides of abdomen ; tail shorter, less than 17 mm. 



Gorgetted wood-star, Accstrura heliodor heliodor, female and 



immature male, p. 372 

 Throat white to pale buff, definitely paler than sides ; tail longer, more 

 than 20 mm. 

 Costa Rican wood-star, Philodice bryanfae, female and 



immature male, p. 369 



