74 
Allen’s naturalist' 
s library. 
wi." ““'to'”"’ 
pl.inl, .ipp.d Wirt, whkf 0“^ 
rtitt 24"'* i;,"'aiT°7‘" pei'iy-srcy, tfc „„to 
subVnSr'S .““vwfe' S‘',L2' 
^^lth a black sub-ternunal bar before the black tin • thJ ;n 
auskygrey, ighter grey towards the base, and with the same 
Adult Female. — Similar to the 
length, 17-0 inches; wing, 12-8. 
Adult in Winter Piumagre.— Similar to the summer plumage 
^ streaked with ashy-brovvn a^d 
with the tarsi and toes olivaceous. ^ ° 
Young-. — Brown above, with white nr j 
Eown^t^Xw^ “ottleHith 
immature Herring-Guil, and" isT^h^sanJ^pale 'cl^' "it 
IS, however, easily recognisable from the young o^the latte 
brr’JInS /tCsscr'^Dlack-bacid Gufl 
Dy Its smaller si/ie. J he young birds go through similar 
changes of plumage to those of the allied species of^Gu and 
Mr Saunders says that the bird only gains ils fully adult liVm 
and breeds, when nearly three years old 
Characters. -In its light pearly-grey mantle and back the 
Gull resembles the Herring-Gull, but can always be 
told by Its smaller size, the wing never exceeding 16 incliL in 
male, but smaller. Total 
