418 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



[Pcecila'] rufescens Bonapakte, Consp. Av., i, 1850, 230. 



Plarusi (Poedle) rufescens rufescens Hellmayr, Tierreich, 18 Lief., Mar., 1903, 73. 

 Pariis sitcliensis Kittlitz, in Lntke's Voy. Le Seniavine, 1836, 268, in text (Sitka, 

 Alaska; nomen nudum); Denkw., i, 1858, 200 (nomen nudum). 



PENTHESTES RUFESCENS NEGLECTUS (Ridgway). 

 NICASIO CHICKADEE. 



Similar to P. r. nifescens but with much less of chestnut on sides 

 and flanks, which exteriorly are i)ale gray, the chestnut also paler and 

 duller. 



Adult m.ale.—hQx^^i\i (skins), 105-114.5 (110. 7); wino-, 58-64(60.8); 

 tail, 48-52.5 (50.1); culmen, 9-9.5 (9.2); tar.sus, 16.5-lT (16.7); middle 

 toe, 9.5-10 (9.8).« 



Adult female. — Length (skin), 108.5; wing, 58; tail, 46.5; culmen, 

 9; tarsus, 16.5; middle toe, 9.5,'' 

 Marin Count}', California. 

 Parus rufescens (not of Townsend) Brewster, Bull. Nutt. Orn. Clul), iii, 1878, 

 20 (Nicasio, Marin Co., California; descr. young). — Gadow, Cat. Birds Brit. 

 Mus., viii, 1883, 34, part (California). 

 Parus rufescens fi. neglectus Ridgway, Proc. U. S. Nat. Mus., i. May 22, 1879, 



485 (Nicasio, Marin Co., California; coll. U. S. Nat. Mus.). 

 [Parus rufescens'] /3. neglectus Ridgway, Proc. U. S. Nat. Mus., i, 1879, 486 



(synonymy). 

 Parus rufescens neglectus Allen, Bull. Xutt. Orn. Club, v, Apr., 1880, 89. — Ridg- 

 way, Proc. U.S. Nat. Mus., iii, Aug. 24, 1880, 169, 215; Nom. N. Am. Birds, 

 1881, no. 46a. — Coues, Check List, 2d ed., 1882, no. 51. — American Orni- 

 thologists' Union, Check List, 1886, no. 741a, part. — Grinnell (J.), Pacific 

 Coast Avifauna, no. 3, 1902, 71. 

 Plants'] rufescens neglectus Ridgway, Man. N. Am. Birds, 1887, 564, part. 

 P\_arus] r{_i{fescens] neglectus? Coues, Key N. Am. Birds, 2d ed., 1884, 267. 

 P\_arus] r{_ufescens] neglectus Bailey (Florence M. ), Handb. Birds W. U. S., 



1902, 4.5*9. 

 P[arus] {Poecile) rufescens neglectus Hellmayr, Tierreich, 18 Lief., Mar., 1903, 

 73, part. 



PENTHESTES RUFESCENS BARLOW! (Grinnell). 

 BARLOWS CHICKADEE, 



Similar to P. r. neglectus.^ but sides and flanks wholly pale gray (very 

 rarely with a faint rusty tinge on outer posterior portion of flanks). 



Adidt maZe.— Length (skins), 108.6-115 (112.6); wing, 57-64 (60.1); 

 tail, 46-54 (50.3); culmen, 9-10(9.2); tarsus, 16-16.5 (16.3); middle 

 toe, 9.5-10.5 (10.1).'- 



Adult female.— l^Qngt\i{sk\\i€), 108-114(111.4); wing, 57-61.5(59.4); 

 tail, 48.5-52 (50.2); culmen, 8.5-9.5 (8.9); tarsus, 15.5-16.5 (16.1); 

 middle toe, 9.5-10 (9.8).'^ 



« Five specimens. ''One specimen. c Ten specimens. f^ Seven specimens. 



