Birds of Heligoland. 3 



14. Haliaktus albicilla. 



One found dead in 1875. In favourable weather seen 

 almost daily in spring and autumn. 



15. Pandion haliaetus. 



Seen in April and May^, and again in September. Young- 

 seen in August. 



16. ClRCAl^TUS BRACHYDACTYLUS. 



An example said to have been of this species shot in 1835. 

 Afterwards a second supposed to have been seen. 



17. ASTUR PALUMBARIUS. 



Three shot, one or two more seen. 



18. ACCIPITER NISUS. 



Common in October and November. Young met with from 

 the middle of August to the end of October. 



19. BUTEO VULGARIS. 



Seen in every month, except June and July. 



.20. Archibuteo lag opus. 



Frequent in spring and autumn, occasionally in winter. 



21. Pernis apivorus. 



Passes from middle of May to middle of June, and again 

 from middle of August to middle of September. 



22. MiLVUS REGALIS. 



Seen once or twice every year, but only three shot during 

 half a century. 



23. MiLVUS ATER. 



One shot, two others seen. 



24. Circus /ERUginosus. 

 Four shot. 



25. Circus cyaneus. 

 Half a dozen shot. 



26. Circus pallidus. 



Young shot 12t!i vVngusf, 1858. 



B 2 



