ALCID.E — ALCm.'E: MURRES AXD AUKS. 



1085 



feathers. Wings normal, effective for tiight. Bicolor. Egg single, colored. One species. 

 Utamania of former editions of the Key. 



A. tor'da. (Name of the bird lord or tordmule.) Kazor-billed Auk. Tinker. Adult 

 $9 ,m summer : Bill and feet black, former with a white line occupying the length of middle 

 sulcus on both mandibles; mouth yellow; eye hazel-brown or bluish. A strict, sunken line 



Kio. 747. — Great Auk. (From " Sport with Gun and Rod." The Century Co., N. T.) 



of white from eyr- to base of culuicn. llra.l and neck all around and iipptT partt; black, glo.'^sy 

 and intense on latter, lustreless opaque brownisli-black on sides and Front of former. Tips of 

 secondaries and entire under parts from neck, including lining of wings, wliite. In winter : 

 White reacliing bill, and invading sides of head and neck ; the sharp white line so conspicuous 

 ill sumnur obliterated: dark parts duller. Youni,' : Similar to adults in winter: smaller: 



