i84 



THE MIGRATION OF BIRDS. 



British Species not observed hitherto 

 on HeUgoland. 



Heligoland Species not observed hitherto 

 in British Islands. 



2. 



3- 

 4- 

 5- 

 6. 



7- 

 8. 



9- 



lO. 



II. 



12. 



13- 



14. 



15- 



16. 



17- 



18. 



19- 

 20. 

 21. 



22. 



23- 

 24. 



25- 



26. 

 27. 

 28. 

 29. 

 30. 

 31- 

 32. 



33- 

 34- 

 35. 

 36. 

 37. 

 38. 

 39- 

 40. 

 41. 

 42. 

 43- 

 44. 



45. 

 46, 



47- 

 48. 



49. 

 5o. 



Vultur fulvus 



,, percnopterus 

 Elanoides furcatus 

 Astur atricapillus 

 Surnia hudsonia 

 Saxicola isabellina 

 Geocichia sibirica 

 Regains calendula 

 Tichodroma muraria 

 Loxia leucoptera 

 Zonotrichia albicoUis 

 Fringilla canaria 

 Agelaeus phoeniceus 

 Scolecophagus ferrugineus 

 Sturnella magna 

 Chelidon bicolor 

 Progne purpurea 

 Chretura caudacuta 

 Caprimulgus ruficollis 

 Ceryle alcyon 

 Cuculus glandarius 

 Coccyzus americanus 

 Coccyzus erythrophthalmus 

 Coracias indicus 

 Turlur orientalis 

 Ectopistes migratorius 

 Botaurus lentiginosus 

 Butorides virescens 

 yEgialitis vocifera 

 Vanellus gregaiius 

 Totanus solitarius 



,, flavipes 

 Ereunetes griseus 

 Tringa bonaparti 

 ,, minutilla 

 Sterna leucoptera 

 ,, hybrida 

 ,, fuliginosa 

 Larus melanocephalus 

 Colymbus adamsi 

 Puffinus obscurus 

 Oceanites wilsoni 

 Gistrelata torquata 

 ,, hsesitata 



Buhveria columbina 

 Daption capensis 

 Bernicla glaucogaster 



,, ruHcollis 

 Cygnus buccinator 

 ,, americanus 



Circus pallidas 

 Lanius meridionalis 



,, isabellinus 

 Muscicapa albicoUis 

 Turdus swainsoni 

 ,, fuscatus 

 ,, ruftcollis 

 ,, migratorius 

 Mimus carolinensis 

 Erithacus philomela 

 Ruticilla mesoleuca 

 Phylloscopus bonellii 

 ,, tristis 



,, proregulus 



,, coronatus 



,, bort-alis 



,, viridanus 



,, nitidus 



Hypolais polyglotta 

 ,, elaica 

 ,, caligata 



Acrocephalus agricola 

 Locustella certhiola 

 ,, fluviatilis 



Dendroeca virens 

 Saxicola morio 

 Motacilla citreola 



,, melanocephala 



,, viridis 



Alauda pispoletta 



,, tartarica 

 Emberiza aureola 

 ,, cresia 



,, cia 



,, pityornis 



,, pyrrhuloides 



Dolichonyx oryzivora 

 Carpodacas roseus 

 Hirundo rufala^ 

 Larus affinis 



1 Recorded also as British. 



Note. — Possibly Emberiza cioides casta- 

 neiceps should be included among the 



I. 



2. 

 3. 



4- 

 5. 

 6. 



7- 

 8. 



9- 

 10. 

 II. 

 12, 



13. 



14. 



15- 

 16. 



17- 



18. 



19- 

 20. 

 21. 

 22. 



23- 

 24. 



25- 



26. 

 27. 

 28. 

 29. 

 30- 

 31. 

 32. 

 33. 

 34. 



35- 

 36. 

 37. 

 38. 

 39. 

 40. 



British species. 



