EXPLANATION OF PLATES. 239 



Plate 53. 



1. Brlinnich's murre, 19049, Greenland, 1884, Governor Fencker. 



2. Pallas's murre, 24072, Walrus Island, Alaska, June 13, 1890, William Palmer. 



3. Brannich's murre, 19049, Greenland, 1884, Governor Fencker. 



Plate 54. 



1. Pallas's murre, 16718, Saint George Island, Alaska, July 1, 1873, H. W. 



Elliott. 



2. Pallas's murre, 16719, Saint George Island, Alaska, June 27, 1873, H. W. 



Elliott 



3. Pallas's murre, 18703, Lemida Island, Alaska, June, 1882, W. J. Fisher. 



Plate 55. 



1. Razor-billed auk, 24425, Cape Whittle, Labrador, July 12, 1884, M. A. Frazar. 



2. Razor-billed auk, 27601, Cape Whittle, Labrador, July 17, 1884, M. A. Frazar. 



3. Razor-billed auk, 27604, Cape Whittle, Labrador, July 20, 1884, M. A. Frazar. 



4. Razor-billed auk, 27596, Cape Whittle, Labrador, July 3, 1884, M. A. Frazar. 



