5. NOTUOl'KOCTA. 551 



Key to the Species. 



a. Feathers of the back distinctly striped with white 



on the sides. 

 a'. Outer primaries barred also on the inner web. taczanowskii,^.55i\ . 

 b' . Outer primaries not barred on the inner web, 

 which is uniform. 

 a" . Breast grey. 



«'". Under wing-coverts regularly barred 



with whitish buff and greyish brown ; 



breast thickly spotted with white . . citierascens, p. 552. 



b'". Under wing-coverts not regularly barred. 



a^. Outer web of the secondaries distinctly 



rufous, barred with brown. 



a^. Upper parts dull greyish, the mesial 



part of the feathers of the back 



much blacker ijerdicaria, p. 553. 



6'. Upper parts of a finer grey, the mesial 

 part of the feathers of the back 



less black coquimbica, p. 554. 



bK Outer web of the secondaries not 

 rufous, but brown, baiTed with ru- 



fescent or whitish buff pentlandi, p. 555. 



b" . Breast and abdomen rufescent curvirostris, p. 556. 



b. Feathers of the back not distinctly striped with 



white on the sides ; breast grey, abdomen ru- 

 fescent ; radii of the upper tail-coverts rather 

 long and disconnected. 

 c'. Larger, wing 7'7 inches ; upper wiug- 



coverts with broader barrings ovnata, p. 557. 



d'. Smaller, wing 7 inches ; upper •wing-coverts 



with narrower barrings branickii, p. 558. 



] . Nothoprocta taczanowskii. 



Nothoprocta taczanowskii, Sclat. if Salv., Tacz. P. Z. S. 1874, p. 564 

 (Maraynioc, C. Peru) ; Sclaf. ».y Salv. t. c. pp. 679, 680, pi. Ixxxiv. 

 (Peru) ; Tacz. Orn. Per. iii. p. 304, Tables, p. 107 (1886). 



Notlioprocta godmani, Tacz. Orn. Per. iii. p. 305 (immat. bird, 

 Chachupata) (1886). 



Adult male. Head dark greyish, changing into lead-grey on the 

 lower fore neck and breast ; feathers of the crown black, edged witli 

 white and tipped with brown ; feathers of the back broadly black 

 on the middle, with a whitish longitudinal stripe on each side, 

 irregularly barred with brownish grey across the middle and at the 

 tip ; upper tail-coverts irregularly barred with white and variegated 

 with black ; cheeks variegated with black ; throat dirty white, 

 leathers of the lower fore neck with two white spots, which on the 

 feathers of the breast become confluent and are surrounded with 

 black ; lower breast, sides, and flanks whitish brown, with greyish 

 bars, edged with a narrow black line ; middle of the breast and of 

 the abdomen and under tail-coverts whitish ; upper wing-coverts 

 brown, with irregular black marks and irregular buff bars; pri- 



