314 Tenth Supplefneni to the A. O. U. Check-List. {jlw 



Thryomanes bewickii dryfutecus Oberholser, Proc. U. S. 

 Nat. Mus. XXI, 1898, 437. 

 Not separable from Thryonianes b. spilurus. 



Thryomancs bewickii ficsophiliis Oberholser, Proc. U. S. 

 Nat. Mus. XXI, 1898, 442, 

 Not separable from Thryoma?ies b. spilurus. 



Thryothorus cerroensis Anthony, Auk, XIV, April, 1897,. 

 166. 

 Not separable from Thryomaues Icucophrys. 



Parus gambeli thayeri Birtwell, Auk, XVIII, April, 1901, 

 166. 

 Based on specimens of Parus gambeli stained by contact with 

 tree trunks blackened by fire. 



Parus rufescens bar/07c>i GRii^'SKLL, Condor, II, 1900, 127. 

 A synonym of Parus rufescens neglectus. 



Hylocichla fuscescens fuliginosa Howe, Auk, XVII, July, 



1900, 270. 



Considered as a synonym of H.f. salicicola. 



IV. Deferred for further Investigation. 



The names printed in heavy-faced type are already in the 

 Check-List. 



Many of the following cases were deferred on account of lack 

 of material for their proper consideration ; others involve ques- 

 tions of nomenclature as well as ornithology that require careful 

 consideration, 



Cyclorrhynchus vs. Phakris {cf. Grant, Cat. Bds. Br. 

 Mus. XXVI, 1898, 607. 



h\a. Larus argentatus siuithsonianus vs Z. argent at us {cf. 

 Knight, Auk, XVII, 1900, 63 ; Dwight, ibid. XVIII,. 



1901, 58-61). 



