NO. 22G5. THE WREN 6ENUS N ANNUS BILLBERG—0BERH0L8ER. 227 



N annus troglodytes helUH (Os^^-ood). 



N annus troglodytes pacificus (Baird). 



N annus troglodytes hiemalis (Yieillot). 



Following is a detailed treatment of all the American subspecies: 



NANNUS TROGLODYTES MELIGERUS (Oberholser). 



Anorthura meligera Oberholseb, Auk, vol. 17, No. 1, January, 1900, p. 25 

 (Attu Island, Alaska). 



Suhspeclfic characters. — Similar to Namius troglodytes pall^scens 

 (Ridgway), from the Commander Islands, but upper parts darker; 

 lower parts more deeply ochraceous, posteriorly less heavily barred 

 with blackish. 



Measurements. — Male:^ wing, 53-55.5 (average, 53.9) mm.; tail, 

 33-37 (35.3) ; exposed culmen, 14-15.5 (14.6) ; tarsus, 19-20 (19.6) ; 

 middle toe without claw, 13.5-15 (14.2). 



Female :2 wing, 50.5; tail, 33.5; exposed culmen, 14.5; tarsus, 19; 

 middle too without claw, 13.5. 



Type-locality. — Attu Island, Aleutian Islands, Alaska. 



Geographic distribution. — Attu Island, Aleutian Islands, Alaska. 



Bemarks. — This wren when first described was supposed to occupy 

 all the Aleutian Islands west of Unalaska Island, but by additional 

 material recently collected from the intervening islands it is now 

 shown to be confined, so far as known, to Attu Island, although it 

 probably will be found also on the near-by Agattu Island. Further- 

 more, as already indicated, it must be considered only a subspecies, 

 since it is now known to intergrade with the forms occurring on 

 Unalaska Island and the Pribilof Islands through the birds of the 

 intervening Aleutian Chain. This is one of the most deeply colored 

 of the North American forms and is apparently a well-diiferentiated 

 race. 



By some curious mistake the subspeciiic name of this bird was 

 printed meliger in the last edition of the American Ornitholo- 

 gists' Union Check-List.^ The term is taken from the Greek word 

 ^zXiyqp'oq, meaning musical, and was Latinized in feminine as 

 meligera.) or masculine meligerus. 



1 Five specimens, from Attu Island, Alaska. 



- One specimen, from Attu Island, Alaska. 



' Committee American Ornith. Union, Check-nist North Amer. Birds, ed. 3, 1910, p. 341. 



