FRINGILLIDA—SNOW-FINCH. 85 
Genus PETRONIA. 
ROCK SPARROW. 
Petronia stulta (Gyme/.) 
Adult Male: Sides of crown and nape dark brown, centre 
paler, shading into whitish on nape ; eyebrows and between the 
eye and nape whitish ; dack dull drown, conspicuously marked 
with darker brown and whitish, ramp unmarked, wings dark 
brown with pale margins and innermost secondaries with 
whitish tips; tail dark brown, outer feathers showing spot of 
white near extremities ; beneath buffy-white, striped with pale 
brown ; large blotch on centre of chest bright yellow ; bill horn- 
colour, paler beneath ; legs and feet brown; irides brown. 
Length about 6 inches ; culmen 0°55 ; wing 3°6 to 3°8; tail 2°15 ; 
tarsus 0°7. 
Adult Female: Similar, but considerably paler above, 
and not showing so much yellow on chest. 
Young: Similar to female, but paler beneath. 
Distribution : Resident in Central and Southern Europe, 
Northern Africa, and Central Asia. 
Habitat: High, uncultivated regions, or low fields and 
roads in winter. 
Genius MONTIFRINGILLA. 
ALPINE SNOW-FINCH. 
Montifringilla nivalis (Zzv7.) 
Adult Male (Summer): Feathers of ead grey, with 
darker centres on crown; éack feathers drown, with dark 
centres ; rump dark brown; primaries blackish, with narrow 
whitish tips, secondaries and wing-coverts chiefly white ; outer 
rectrices white, tipped with black, except outermost pair which 
lack the black tips, central feathers brown, with white margins ; 
chin and ¢hroat black ; rest of under parts white ; bill, legs and 
feet black; irides brown. “Length 7‘2 inches; culmen 0's ; 
wing 4°75 ; tail 3; tarsus 0°75. 
