72 



THE MIGRATION OF BRITISH BIRDS 



REPRESENTATIVE SPECIES OR RACES. 



liRITISH RESIDENTS. 



Falco peregrinus 

 Buteo vulgaris 



N. W. AFR1C.'\. 



CANARY ISLANDS. 



Asio brachyotus Asio capensis 



Corvus corax ; Coivus tingitanus 



Pica caudata Picacaudata mau-. Pica mauritanica 



ritanica j 



Garrulus glanda- [ Ganuluscervicalis 



rius I 



Fringilla chloiis ' Fringilla chloris 

 j aurantiiventris 

 Fringilla coelebs 



Falco barbarus j 



Buteo desertorum ; Buteo desertorum 



I (?) 

 Asio capensis 



Laniusexcubitor' Lanius meridion- 



\ alis 

 Parus ater 



Corvus tingitanus 



Fringilla chloro- 



ticus 

 Fringilla spodio- I Fringilla tintillon 



gena 

 Lanius algeriensis' Lanius aigeriensis 



Parus coeruleus 

 Acredula rosea 



Acredula irbii 



Parus ledouci 



Parus ultramari- 

 nus 



Regulus cristatus I { 



Cinclus aquaticus ' Cinclus ar|uaticus ; Cinclus minor 

 1 albicoilis ' 



Erithacus rube- 

 cula- 



Pratincola rubi- 



cola 

 Anthus pratensis 

 Gecinus viridis 



Picus major 

 Picus minor 

 Larus argentatus 



r Parus ultn 

 I rinus 



P. teneriffk- 

 P. palmensis 

 P. ombriosus 

 Regulus teneriffce 



Gecinus viridis \ Gecinus vaillantii 

 vaillantii et \ 

 Gecinus sharpii 



Picus numidicus 

 Picus ledouci 

 Larus argentatus , Larus argentatus 

 cachinnans ! cachinnans 



/Erithacus supcr- 

 f bus (Teneriffe 

 \ and Grand 

 I Canary) 



Pratincola daco- 

 tia: 



Anthus bertheloti 



Some differences 



Larus argenlatu> 

 cachinnans 



1 This species cannot fairly be classed as a resident now in the British Islands, but i» 

 one which does not pass to the south of the Pyrenees to winter. 



" Mr. Scott Elliot has recently recorded this species from an elevation of 10,000 feet, 

 near the Albert Edward Nyanza, Equatorial Africa (conf. Nature, 1895, p. 271,. 



This list, however, does not quite exhaust the number 

 of representative species or forms that have been thus 

 isolated, and more or less pcrfcctl}- segregated from 



