192 FOKMICARIIDJE. 



feathers wliite ; tail lilaok, outer pair of rcctrices slightly tijjped 

 with wliito : whole length (5 inches, wing 2-S, tail 2'5. Female. 

 Similar, hnt rather duller. 



Huh. Costa Eica and Veragua. 



a. c? ad. sk. Costa Rica (C'armiol). Salvin-Codman Coll. 



b, c. c? 5id. sk. Bugaba, Chiriqui (Arce). Salvin-Godmau Coll. 

 d, e.(S ^ ad. sk. Mina de Chorcha, Chiriqui Salviu-Godmau Coll. 



{Arce). 

 f, !/• d ad. sk. Chiriqui (Arce). Sclater Coll. 



Sect. D. Of smaller size ; general plumage plumbeous ; wings 

 mostly with white spots or edgings. 



Key to the Sjjecies. 



A. Larger-sized; wing 3 inches or more. 



a. AVing-coverts with white terminal 



spots ; tail uniform 19. 2}lu»il^<^us, p. 193. 



b. AVing-coverts edged with white ; tail 



tipped with white. 



j Outer rectrix without a white bar 20. cinereo-nic/er, p. 193. 

 I Outer rectrix with a white bar .. 21. iiiyro-cmereus, ^. 194. 



B. Smaller-sized ; wing less than 3 inches. 



c. Head with white shaft-stripes. 



1 Wings and tail blackish 22. bridffesi, p. 194. 



j AVings and tail rufous 23. nigricejis, p. 194. 



d. Head uniform black or plumbeous. 



a' . Without a white bar on the outer 

 rectrix. 

 a". Greater wing-coverts with white 

 tips. 

 «'". Cap blackish. 



I Bill broader; tail shorter. ... 24. stellaris, p. 195. 

 I Bill naiTower ; tail longer . . 25. tristis, p. 195. 



h'". Cap cinereous 26. murinus, p. 195. 



b". Greater wing-coverts not white- 

 tipped. 



\ Cap black 27. capitalis, p. 196. 



I Cap plumbeous 28. simplex, p. 197. 



b'. With a white bar on the outer rec- 

 trix. (Group of Th. navius.) 

 c". Intermediate rectrices unspotted. 

 c'". Cap black. 



«*. Bar on outer rectrix narrow. 

 «'. Interscapidium cinereous. 



\ Nape blackish 29. nccviiis, p. 197. 



] Nape cinereous 30. cinereinucha, p. 198. 



6'. Interscapulium black .... 31. amazonicus, p. 199. 

 b^. Bar on outer rectrix broad- 

 ened. 



I Belly cinereous 32. insignis, p. 199. 



•j Belly white 33. ccendescens, p. 200. 



( Belly rufous 34. maculatus, p. 201. 



d'" . Cap cinereous 35. cinereicepjs, p. 201. 



d". Intermediate rectrices spotted . . 36, amhiguus, p. 201. 



