330 



CouES, Gdfke^i Heligoland. 



[; 



Auk 

 Oct. 



Migrants. 



II. Asio otus. Spring and fall, 

 not rare. 



\i. Asio accipitrinus. Spring 

 and fall ; the commonest Owl by far. 



13. Corvus corone. Rare and ex- 

 ceptional, among countless flocks 

 of C. coDiix. 



14. Corvus cornix. 1 In profu- 



15. Corvus frugilegus. ^sion in 

 1(5. Corvus monedula. j m i g r a- 



tion; astonishing flights, many 

 thousands a day in spring and fall. 



17. Garrulus glandarius. Millions 

 sometimes in fall ; some jears none. 



18. Lanius excubitor. Rare and 

 isolated cases, in spring and fall. 



19. Lanius "borealis Vieill." 

 {major Pall.) More frequent than 

 the last, under same circumstances. 



20. Muscicapa atricapilla. Com- 

 monest Flycatcher, especially in 

 fall. 



21. Muscicapa grisola. Com- 

 mon, especially in May, June and 

 July; no breeding record. 



22. Muscicapa parva. Formerly 

 common, in fall; rare 1S75 to 18S0 ; 

 none seen since. 



Stragglers. 



19. Nyctea nyctea. One speci- 

 men, fall of iS39ori840; probably 

 one other seen. 



20. Surniaulula. One specimen, 

 in the '30's ; two seen afterward. 



21. Corvus corax. One speci- 

 men, fall of 1841 ; two seen after- 

 ward. 



22. Pica pica. Two cases ; one 

 specimen, Nov. 11, 1876. 



23. Nucifraga caryocatactes. 

 Three specimens, Aug. 1844, Oct. 

 17, 1853, and one later. 



24. Perisoreus infaustus. Once 

 seen, Apr. 14, 1849. 



25. Pyrrhocorax alpinus. One 

 specimen, long ago; one seen, Sept. 

 14, 1868, and two afterward. 



26. Pyrrhocorax graculus. Two 

 cases, Ma\' 1S71 or '72, and Mar. 28, 

 1877. 



27. Lanius meridionalis (Temm.). 

 One specimen thus identified. 



28. Lanius minor. Isolated cases 

 of late years, formerly less rare, in 

 spring. 



29. Lanius rufus. Five speci- 

 mens in 40 years, May and June. 



30. Lanius coUaris. Isolated 

 cases of late years, formerly less 

 I'are, Apr. and Ma}-. 



31. Lanius isabellinus. One 

 specimen, Oct. 25, 1S54. 



32. Muscicapa collaris. One 

 specimen, June 3, i860. 



33. Ampelis garrulus. Sporadic; 

 small flights in Sept. 1847 and Jan. 

 1850; most years none. 



