PROPOSED EXPLORATIONS AND INVESTIGATIONS 245 



1878. Underslgseten Lanius. Arch. f. Mathem. Naturvid., 1878, pp. 323-339. 



(A monograph of the subgenus Lanius.) 



1879. Bidrag til Vestlandets ornithologiske Fauna. Nyt. Mag. Naturvid., 1879, 



pp. 141-148. (Contributions to the ornithology of western Norway.) 

 1882. Andet Bidrag til Vestlandets ornithologiske Fauna. Nyt. Mag. Naturvid., 

 1882, pp. 111-124. (Contributions to the ornithology of western Nor- 

 way, second installment. ) 



1882. Outlines of a Monograph of the Cygnin^. Proc. U. S. Nat. Mus., V, 



1882, pp. 174-221. (The nearctic and palaearctic swans treated of in 

 detail. ) 



1883. Contributions to the History of the Commander Islands No. i. Notes on 



the Natural History, including descriptions of New Cetaceans. Proc. 

 U. S. Nat. Mus., VI, 1883, pp. 58-89. 



1884. A brief Review of the Lagopodes belonging to the group Attagen. Zeitsch. 



f. ges. Ornith., I, pp. 86-92 and pi. V. (Monographic essay on the 

 Ptarmigans.) 



1884. Pseudototanus guttifer (Nordm). Zeitsch. f. Ges. Ornith., I, pp. 223-229 

 and pi. X. (Rediscovery in Kamchatka of this bird, which had been 

 lost for fifty years. ) 



1884. Remarks on the Species of the Genus Cepphus. Proc. U. S. Nat. Mus., 

 VII, pp. 210-229. (^ monograph of this holarctic genus.) 



1884. Analecta Ornithologica. I. The Occurrence of Turdus alicise in the Palae- 

 arctic Region. XI. Notes on Arctic Lari. Auk, 1884, pp. 166, 360-362. 



1884. Diagnosis of New Species of Birds from Kamchatka and the Commander 

 Islands. Proc. Biol. Soc. Washington, 1884, pp. 97, 98. (Description 

 of five new species collected by the author in Kamchatka.) 



1884. Investigations Relating to the date of the Extermination of Steller's Sea- 

 Cow. Proc. U. S. Nat. Mus., VII, pp." 181-189. (No. 2 of the Contri- 

 butions to the History of the Commander Islands. ) 



1884. Additional Notes on the Plants of the Commander Islands. Proc. U. S. 

 Nat. Mus., VII, pp. 529-538. (No. 4 B of the Contributions to the His- ' 

 tory of the Commander Islands. ) 



1884. A New Species of Woodpecker from Kamchatka. Auk, I, pp. 35, 36. 



1884. Notes on the Genus Acanthis Auk, I, pp. 145-156. (A monographic 

 paper on this holarctic genus.) 



1884. Ueber einige Formen der Untergattung Anorthura. Zeitschr. Ges. Orn., 



I, pp. 6-14. (Monographic; holarctic.) 



1885. Results of Ornithological Explorations in the Commander Islands and in 



Kamchatka. Bull. No. 29, U. S- Nat. Mus., 382 pp. and 9 plates. 



1886. The British Marsh-Tit. Proc. U. 8. Nat. Mus , IX, 1886, pp. 200, 201. 



(Described as new.) 

 1886. Review of Japanese Birds. I. The Woodpeckers. Proc. U. S. Nat. Mus., 

 IX, pp. 99-124. 



1886. On Brachyrhamphus perdix (Pall.) and its nearest allies. Zeitsch. f. Ges. 



Ornith., Ill, pp. 210-219 and pi. VII. (Monographic ; North Pacific.) 



1887. Description of a New Species of Fruit-Pigeon from Liu Kiu Islands, 



Japan. Amer. Natural., XXI, pp. 583, 584. 

 I887. Lundefuglene i det Stille Hav. Naturen, 1887, pp. 33-38. (The Puffins 

 of the North Pacific Ocean.) 



