Vol. XXI 

 1904 



] Thirteenth Supplement to the A. O. U. Check-List. 419 



Subfamily CHAM^IN^. This is raised to family rank, to 

 include the single genus Cha?n(?a {cf. Coues, Key, 1903, 

 266), and should stand after No. 746^, as : 



Family CHAM^ID-ffi. Wren-Tits. 



744.1. Psaltriparus santaritae Ridgway. This is found to 

 be equivalent to P. melanotis Uoydi, and should be eliminated 

 from the Check-List. {Cf. Oberholser, Auk, 1903, 199.) 



745. Psaltriparus Uoydi Sennett. Intergradation has been 

 shown to occur between Uoydi and t?ieianotis, hence the fol- 

 lowing change becomes necessary : 



745. Psaltriparus melanotis Uoydi (Sennett) . 



Genus PHYLLOPSEUSTES Meyer. Becomes 

 Genus ACANTHOPNEUSTE J. H. Blasius. 



Acanthopnenste]. H. Blasius, Naumannia, 1858, 313. Type, 

 Phyllopneuste borealis ].Yi. Blasius. {Cf. Sharpe, Hand- 

 List, IV, 1903, 216; Oberholser, Auk, XXI, 1904, 390.) 

 No. 747 thus becomes 



747. Acanthopneuste borealis (J. H. Blasius). 



750. Regulus obscurus (Ridgway). This becomes 



749/!». Regulus calendula obscurus Ridgway. {Cf Hell- 

 MAYR, Tierreich, Lief. 18, 1903, 15.) 



II. PROPOSED CHANGES IN NOMENCLATURE AND 

 SPECIES AND SUBSPECIES REJECTED. 



i). Gavia arctica (Linn.'Eus) vs. G. pacifica {cf. Grant, 

 Catal. Birds Brit. Mus., XXVI, 1898, 495). Mr. Grant's 



