96 



ZOOLOGY OF THE VOYAGE OF THE BEAGLE. 



top of the head, ears, sides of the neck and breast, grey mixed with rufous ; 

 the lines from the nostrils reaching behind the eyes and cheeks, white ; the 

 space between the bill and eye, and the throat, deep black ; the primaries 

 and secondaries blackish, margined with yellow ; the tail, with the middle 

 feathers, olivaceous black, with the three external nearly wholly pale yellow; 

 the middle of the abdomen yellowish white, with the flanks darker. 

 Young : Upper surface brownish white, with the middle of each feather black ; 

 the throat lighter ; the wing coverts and secondaries margined with white 

 and brown ; the primaries with yellow ; the tail blackish, with their outer 

 margins yellow, and the external feather wholly pale yellow white; beneath the 

 body pale yellowish white, streaked on the breast and flanks with a darker tint. 



Habitat, East Falkland Island {March), and Santa Cruz, Patagonia (April). 



This bird is extremely abundant in large scattered flocks in the Falkland 

 Islands. 



2. Chlorospiza ? xanthogramma. G.R. Gray. 



Plate XXXIII. 



C. cinerascenti olivacea, rufo paulo tincta ; linen a naribus pone ocidos transiente 

 genisque flavis ; plumis inter rostrum et oculos guldque atris ; remigibus secundariis 

 nigrescentibus, cinereo et olivaceo lath marginatis ; primariis nigrescentibus, flavo 

 anguslb marginatis ; caucld cinerascenti nigra, plumis externis albis ; corpore infra 

 flavescenti albo, hypochondriis obscurioribus . 



Long. tot. 7-f unc. ; aloe, 3g ; caudw, 3; tarsi, 1 ; rostri, 7 lin. 



Adult : Greyish olive, very slightly mixed with rufous, a line from the nostrils 

 reaching behind the eyes and cheeks, yellow; the space between the bill and 

 eye, and the entire throat, deep black ; the secondaries blackish, broadly 

 margined with grey and olive ; the primaries blackish, slightly margined 

 with yellow ; the tail greyish black, with the outer feathers white ; beneath 

 the body yellowish white, darker on the flanks. 



Female : Upper surface brownish white, with each feather blackish brown in the 

 middle, the head and throat paler ; the wing-coverts and secondaries blackish, 

 margined with brownish white; the primaries blackish, slightly margined 

 with yellow ; the tail blackish white-margined, with the outer feathers nearly 

 wholly white ; beneath the body yellowish white, streaked with brown on 

 the breast and flanks: and the space from the nostrils reaching to behind the 

 eyes and cheeks, yellowish. 



Habitat, East Falkland Island (March), and Tierra del Fuego (February). 



