159 



spots below larger and more numerous ; 

 9 under parts (except throat) much deeper, 

 in some specimens dull rufous, obscurely 

 streaked and spotted with blackish ; vent 

 and thighs clear buff. 

 309c. CercJineis ciimamomina fernandensis 

 Chapm., Bull. Am. Mus. N.H., xxxiv., 

 p. 379 (1915). [Masatierra I., Juan Fer- 

 nandez Is., type in Am. Mus. N.H.] 

 Juan Fernandez Kestrel. 



Juan 



Fernandez 

 Islands, 

 off Chile. 



310. 



Smaller and paler ; ^ length 9.50; wing 7 ; 

 tail 5 in. ; head and nape bluish slate, 

 without rufous when fully ad. ; above ru- 

 fous, with only one or two small specks of 

 black ; wing-coverts slate blue, slightly 

 spotted with black ; primaries with black 

 bars more or less obsolete, not extending 

 across webs ; tail with black subterminal 

 band 15-25 mm. wide, and white tips ; 

 outer web of outer feather white, inner 

 rufous ; below light pinkish cinnamon, 

 unspotted (except in less mature birds) ; 

 thighs and vent white ; $ below isabelline, 

 with a few fine streaks and spots of pale 

 brown on chest and sides of breast ; nape 

 often with rufous patch or tinge. [Specific 

 distinctions : small size, slate crown, and 

 unspotted under parts.] 

 Cerchneis isabellina isahellina Swains., 

 Anim. in Menag., p. 281 (1838). [Demarara, 

 type in Brit. Mus.] 

 Isabelline Kestrel. 



Length cJ 9 in. ; wing 7-7.25 ; tail 5 in. ; 

 ? wing 7.50-7.70, tail 5.25 in. ; S above 

 darker rufous, with only a few black spots 

 and bars ; head blackish slate with no 

 rufous patch when adult ; primaries 



Guiana 

 and E. 

 Venezuela 

 (E. to 

 Caracas,? 

 S. to Rio 

 Branco, 

 N. Brazil). 



