232 



PROCEEDINGS OF THE NATIONAL MUSEUM. 



VOL. D5. 



Measurements of individual specimens are as follows : 



Measurements of specimens of Nanmis troglodytes tanagcnsis. 



<i Used in measurement averages on p. 231. 



6 Type. 



NANNUS TROGLODYTES PETROPHILUS, new subspecies. 



Subspecific characters. — Similar to Nannus troglodytes alascensis, 

 but wing shorter ; bill longer ; upper parts lighter, much more ruf es- 

 cent ; lower parts decidedly paler, and posteriorly with narrower and 

 lighter bars. 



Description.— Type, adult female, No. 167340, U.S.N.M., Biological 

 Survey Collection; Unalaska, Unalaska Island, Alaska, October 23, 

 1900 ; W. H. Osgood ; original number, 569. Crown slightly brown- 

 ish Saccardo's umber; remainder of upper parts cinnamon brown, 

 but more tawny on the rump ; upper tail-coverts between tawny and 

 cinnamon brown, and with scarcely perceptible darker bars; tail of 

 the same color as the rump, barred conspicuously with brownish 

 black; wings fuscous, the primaries barred with pale ochraceous 

 buff, the remaining feathers, both quills and coverts, edged or barred 

 with sayal brown; lores and postocular region fuscous; superciliary 

 stripe buffy white; sides of neck like the back; cheeks mixed fuscous 

 and pale cinnamon; lateral lower surface and the lower portion of 

 the sides of the neck, pale cinnamomeous, between cinnamon and 

 tawny olive; median lower parts much paler, between dull light 

 pinkish cinnamon and pinkish buff; lower tail-coverts between 

 taAvny and cinnamon brown, and together with the abdomen and 

 thinks, barred narrowly with brownish black; lining of wing pale 

 buffv flecked with fuscous. 



