520 Dr. A. L. Thomson : Results of a Study of [Ibis, 
COMMON GULL (Larus canus Linn.). 
One (Case 376) marked as a chick on the mainland, 
Shetland Isles, on 22 June, 1912, was recovered in Norfolk 
on 8 September of the same year. Two (Cases 253 and 
276) marked as chicks in Argyllshire in July 1911, were 
recovered later in the same year in the neighbouring 
county of Dumbarton, one on 11 September and the other 
on 30 December. 
GUILLEMOT (Uria troille Linn.). 
One (Case 111) marked as a chick on the Aberdeenshire 
coast on 11 July, 1910, was shot on 29 November of 
the same year twelve miles north of Gothenburg, Sweden. 
(Little is known of the movements of this species, which 
frequents the open sea from August until March.) 
COENCEAKE (Crex crex Linn.). 
One (Case 249) was caught and marked as an adult 
bird in Aberdeenshire on 3 September, 1910, and was re¬ 
covered in September 1911 at Naillat in the Department 
of Creuse, France. A second (Case 428) was marked as a 
chick in Cumberland on 8 July, 1912, and was recovered 
on 21 September of the same year at Beguey-sur-Garonne, 
France. 
MOOEHEN (Gallinula chloropus Linn.). 
One (Case 837) marked as a chick in Aberdeenshire on 
4 June, 1911, was found dead in Lancashire on 21 February, 
1917. A second (Case 429), also marked in Aberdeenshire, 
was recovered at the place of marking a year later. 
EED GEOUSE (Lagopus scoticus Latham). 
Three imported birds turned down in Inverness-shire on 
21 October, 1911, were recovered near the place of 
marking after intervals of seven, ten, and twenty-three 
months, respectively. Four marked as chicks near Crieff, 
Perthshire, in 1913, were shot in the same district, two in 
the autumn of 1914 and two in the autumn of 1915 : of the 
former both had wandered a few miles, and of the latter one 
