Great bi.ack-headed gull. 51 
colonies Tnrl 
feeds on si winter is more or less gregarious. It 
accordinf^ also catches insects on the wing, 
Goatsuckp ^eebohm, after the manner of a Swallow or a 
Princimii wmter the same observer states that it feeds 
up on til/ L*’ animals of various kinds, which it picks 
on the shore or finds floating on the water. 
Wre'b;;/ 7 /f°f Meves on Lake Ladoga 
than the lining toeing finir 
Eggs. — Three in number, but sompt:, „ 
colour olive-brown to clay-brown spotted ultf Ground- 
inclining to blackish, the m in sevei ‘^I’ooolate brown, 
showing a tendency to forn/ronflnent 1 i"f examined 
end, the underlvinrnu/r n larger 
nent. The siinilaritv 2 P™mi' 
the eggs ofZ. it is doubtful whether some of 
those of Sterna fljtviatilh Scebohm collection are not really 
comllLy’Sh^thi Esthonia in 
for egg-colkcto \s Wb “ ™fo^lt'nate circumstance 
specg arfabtfutelv iSS 'T’l 1 two 
them by the colour of rb oUi^hable. Meves distinguished 
the Gull, and ochre-vid/^ ^ ^i^as rich orange-red in 
uver, Seebol the Tern. Apropos of this, how- 
that he obtained e-<rs /f ib informed by J. E. Palmer 
tbp.p of the Herring Gull in Ireland, and that 
naa a dark around. ppIp,,, b„.i j.... , 
— '-'ULcHlJ^JQ QCTCTC |*\f TT • * j, jl dliUCl 
those eggs which had a dn 1 Gull in Ireland, and that 
yolks, whilst those with a' ^ Sround-colour had deep-coloured 
Axis, I ’ 5 - 1 '8 inches ; diain "/ Sioiind-colour had pale yolks. 
r 5 ~i 25. 
"• black-headed guit 
^arus icktkyaetus, Pall. Reise P . 'CHThvaktus. 
l i/rT: Eur. viii. p ”• P- in (1773); 
List Brit. B. p. igo (i^ 8 o 3 f 9 , pl. 598 (1873I; B. O. U. 
L- 111. p. 5og (iSSal ■ Id ^‘lunders, ed. Yarrell’s Brit. 
Lilford, Col. Fig. Btit’ ^‘'m- .Brit. B. p. 653 (1889); 
E. Brit. Mus. X.XV. p. '176^%*’^™'"' J Saunders, Cat. 
E 2 
