98 
ZOOLOGY OF THE VOYAGE OF THE BEAGLE. 
beneath the body pale dusky green, somewhat darker on the breast and 
sides ; uropygium yellowish -green. 
Three specimens of this species are contained in the British Museum, ex- 
hibiting male, female, and young. 
2. Aglaia Yittata. 
Tanagra vittata, Temm. PI. col. 
Maldonado ; not common. 
Pipillo personata. Sivains. 
Plate XXXV. 
P. personata, Swains. Two cent, and a quart, p. 311. 
Maldonado; not common. The stomach of one, which I shot, contained 
seeds. 
Emberizoides poliocephalus. G. R. Gray. 
E. olivaceus, dorsi plumis medio nigro striatis ; capite guldque cinereis, priore plumis 
singulis, medio nigro striatis ; corpore infra rufescenti albo; hypocliondriis tectricibus 
caudce inferioribus obscurioribus ; alarum margine late Jlava, remigibus primariis 
secundariisque nigris ; prioribus pallide olivaceo, posterioribus olivascente Jlavo lath 
marginatis. 
Long. tot. 7f unc. ; alee , 3 J ; caudce , 4 ; tarsi , 1 \ ; rostri, 8 lin. 
Olivaceous, with the feathers of the back marked down the middle with black ; the 
head and throat cinereous, with each feather of the former streaked down the 
middle with black ; beneath the body rufous white, darker on the flanks 
and under tail coverts : the border of the wings bright yellow ; the secon- 
daries and primaries black, the former broadly margined with pale olive, the 
latter with bright olivaceous yellow ; base of bill dusky orange. 
Habitat, northern shore of the Plata. ( May and August .) 
This bird is common both near Monte Video and Maldonado, in swamps. 
Stomach full of seeds : it makes a shrill loud cry : its flight is clumsy, as if its 
tail were disjointed. 
Fam. — COCCOTHRAUSTINiE. 
Genus, Geospiza, Gould. 
Corporis jigura brevissima et robusta. 
Rostrum magnum , robustum, validum, altitudine longitudinem preestante ; culmine 
arcuato et capitis verticem superante , apice sine denticulo, lateribus tumidis. 
Naribus basalibus et semitectis plumis frontalibus. 
