ABERDEEN UNIVERSITY BIRD-MIGRATION INQUIRY 343 



near Walls, Shetland, in June 1912, and recaptured in the Terrington 

 Marshes, near King's Lynn, Norfolk, in the following September. 



Herring-gull, Larus argenfafiis, Pontopp. 



Eight examples of this species were recovered. Of two birds 

 ringed near Cruden Bay, Aberdeenshire, in July 1912, 

 one was recaptured at Old Deer, in the same county, in 

 the following September; while the other was taken at Macduff, 

 Banffshire, about six weeks after ringing. 



The other six cases are of more interest. All were marked as 

 young birds except case 375. The details are as follows :— 



Case 369 : ringed near Cruden Bay, Aberdeenshire, in June 

 191 1 ; captured at King's Lynn, Norfolk, in the following 

 February. 

 Case 370 : ringed near Cruden Bay, Aberdeenshire, in June 



191 2; taken in Heligoland in the following September. 

 Case 371 : ringed near Cruden Bay, Aberdeenshire, in July 191 2 ; 

 recaptured near Newport, Monmouthshire, in the following 

 September. 

 Case 373 : ringed near Collieston, Aberdeenshire, in July 

 191 1 : .captured near Bridlington, Yorkshire, in November 

 1911. 

 Case 374: ringed on the shore near Aberdeen, in October 

 1910; taken near Gera, in Thuringia, Germany, in June 

 1913- 

 Case 375 : ringed on the shore near Aberdeen, in October 

 X910: retaken near Dunbeath, Caithness, in April 1914. 



Landrail, Crex crex (L.). 



The only recovered example of this species (Case 428) was ringed 

 as a young bird at Walton, Cumberland, in July 191 2. In the 

 following September it was captured at Beguey-sur-Garonne, France. 



Moorhen, Gallimda chloropus (L.) 



The single record we have of this species refers to a bird ringed 

 at Monymusk, Aberdeenshire, in May 191 2, and taken the following 

 May in the same place. 



Red Grouse, Lagopus lagopus scoticus (Lath.). 



We have four records of the capture of ringed birds of this 

 species. Two were ringed m Aberdeenshire and two in Perthshire. 

 All were captured within a few miles (one at the same place), 

 after intervals varying from six weeks to fourteen months. 



