EXPLANATION OF PLATE LXXI. 



Sketch Map of Funk Island. 



Outline from British Admiralty Chart; details by F. A. Lucas; elevations by 

 Capt. J. W. Collins. 



The shaded portion indicates the location of remains of the Great Auk; intensity 

 of shade denoting corresponding abundance of bones. 



To an observer on the island, the eastern and western points seem more rounded 

 than o-iven on the chart. 



