NO.Y-INDIGENOUS BRITISH BIRDS. 353 



bility of abnormal flight, unless the individual in question 

 had resided with us from the previous autumn The 

 evidence of capture is far from satisfactory. Habitat: 

 North America up to the Arctic regions. 



BLACK- WINGED KITE. 



ELANUS ccERULEUS, Desfo7itaines. 



One British record. A species said to be subject to 

 some migratory movement. Habitat: Tropical and 

 sub-tropical Africa. The example in question may 

 have been an imported skin, but the species has occurred 

 accidentally elsewhere in Europe. 



^ TRUMPETER SWAN. 



CYGNUS BUCCINATOR, Richardso7i. 



One British record (four examples). A migratory 

 species. The date of capture (October) is a point in 

 favour. The evidence of identification is, however, un- 

 reliable, and in the instance of one individual (probably 

 in all by inference) points to absolute error. Habitat: 

 North America, from lat. 42" northwards to the Arctic 

 regions. Breeds freely in confinement, and has long 

 been naturalized in our islands. 



^AMERICAN SWAN. 



CYGNUS AM ERIC AN US, Sha7'pIeSS. 



Two British records (one of five individuals). A 

 migratory species, and judging from the dates of capture 



