13. OLAUCIDIUM. 189 



tributed over the entire Neotropical region, and extending into the 

 Southern States of North America. 



Keij to the Species. 

 a. Head spotted oi- streaked, not repidarly barred 

 across, sometimes uearly uniform. 

 a'. Crown of head spotted with white or fulvous 

 white, ireuerally in the form of circular dots; 

 round the hiud neck a less pronoimced rufes- 

 cent collar. 

 a". Interscapidary region barred or spotted 

 with fulvous. 

 a'". Tail regularly banned across, the trans- 

 verse bars continuous. 

 a*. Tail blackish, crossed with ten or 

 eleven bars of white ; toes scantily 



haired namtm, p. 190. 



h*. Tail brown, with six or seven bars of 

 white. 

 «\ Toes thickly feathered ; the head 

 dotted all over with rounded white 

 spots ; breast with longitudinal 

 dark brown marks ; sides of face 

 white, barred with dark brown . . passen'mwi, p. 101. 

 b\ Toes scantily haired ; the head 

 sparsely dotted with tiny longi- 

 tudinal streaks of bull': breast with 

 heart-shaped rufous spots ; sides 

 of face dull whitish, barred with 

 brown, and naiTow fulvous sti'eaks 



on the ear-cf>verls sijii, p. 103. 



b"'. Tail with white spots or bars, not con- 

 tinuous across the feather. 

 c*. Tail with seven or eight hands ; back 

 and scapulars thickly varied with 



zigzag fulvous .spots r/noinrt. p. 194. 



f/^. Tail-bands not exceedincr si.x. 



e'. Tail deep black, darker than the 

 wings ; general aspect of upper sur- 

 face blackish brown, with ochra- 



ceous bars and spots jardinii, p. 207. 



(P. Tail pale brown ; upper siu"face light 



brown, with white spots perlattim, p. 209. 



b" . Interscapidary region imiform. 



<•'". Head brown like the back ; spots on tail 



four or tive ^mmilum, p. 198. 



d'". Head greyish, contrasting with the 



back ; spots on tail five or six griseiceps, p. 196. 



e'". Head and back rufous, with a few lighter 



rufous spots ; spots on tail seven .... cohaneme, p. 199. 

 6'. Crown of head streaked with whitish or 

 fulvous, with a few spots occasionally inter- 

 mingled y'(?;-ojrand allies, pp. 200 



c'. Crown of head uniform grey like the back ; -205. 

 tail with ttve white spots on inner web of 

 middle feather ; sides of body rufous, with 

 browner streaks on the abdomen . fephrnnotiiin, p. 211. 



