xxii BIRDS OF ICELAND 



^Nielsen (P.). ' Oniithologisclie Beobachtungen zu 



Eyrarbcakki in Island,' Ornis, 1886, pp. 429-31. 



* 'Ornith. Beobacht.,' etc., Ornis, 1887, p. 157. 



Olafsson (Eggert) and Palsson (Bjarni)— Danice 'Povelsen.' 



Iieise igiennem Island, etc. Soroe, 1772. 2 vols. 4to. 



Also in German, Leipzig, 1774-75. 4to. 

 Olavius (Olaus). Oeronomisk Beyse, etc. Kjobenhavn, 1780. 



5 vols. 4to. 

 Pearson (H. J. and C. E.). ' On birds observed in Iceland 



in l^U; Ibis, 1895, pp. 237-49. 

 Pennant (Thomas). Arctic Zoology, etc. London, 1784. 



3 vols. 4to. 

 ^Prayer (Wm.) and Zirkel (Fr.). Beise nach Island im 



Sommer 1860. Leipzig, 1862. 8vo. 

 ' Uber Plautus impennis,' Journal filr Ornitho- 



locjh', 1862, X. pp. 110 and 339. Cassel, 8vo. 

 Proctor (William). ' Notes on an Ornithological Tour in 



Iceland,' Naturalist, iii. p. 410. London, 1838. 



'Clangula Barrovii a Native of Iceland,' Annals of 



Natural History, iv. 140. 1840. 



Reinhardt (Johannes). ' Om den islandske Svane, Natur- 



historisk Tidsskrift, ii. p. 527. Kjobenhavn, 1839. 8vo. 

 ' Om Gejerfuglens Forekomst paa Island,' Natur- 



historisk Tidsskrift, ii. p. 533, etc. 

 ^Shepherd (C. W.). The Nortli-icest Peninsula of Iceland, 



etc. London, 1867. Small 8vo. 

 Slater (H. H.) and Carter (Thos.). 'Notes from Northern 



Iceland in the Summer of 1885,' Ibis, 1886, pp. 45-52. 

 'Field-notes from Northern Iceland, Zoologist, 



1886, pp. 149-59. 



'On the Goldeneyes and Ptarmigan of Iceland,' 



Zoologist, 1887, pp. 422-24. 



