520 Dr. A. L. Thomson : Eesvlts of a Study of [Ibis, 



COMMON GULL (Larus camts Linn.). 

 One (Case 376) marked as a cbick on the mainhand, 

 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 Aroyllshire 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 vear twelve miles north of Gothenburg, Sweden. 

 (Little is known of the movements of this species, which 

 frequents the open sea from August until March.) 



CORNCRAKE {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, 

 Franco. 



MOORHEN {Gallinula chloroims 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. 



RED GROUSE (Lagopus scoticiis 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 



