1920 J Proposed Changes in the A. 0. U. Check-List. Zoo 



of Sulpirides obsoletus. (Cf. Oberholser, The Auk, XXXVI, No. 3, 

 July, 1919, p. 408.) 



Nannus hiemalis hiemalis (Vieillot) becomes Nannus troglodytes 

 hiemalis (Vieillot), because found to be a subspecies of Nannus 

 troglodytes (Linnaeus). (Cf. Oberholser, Proc. U. S. Nat. Mus., 

 LV, April 28, 1919, p. 236.) 



Nannus hiemalis pacificus (Baird) becomes Nannus troglodytes 

 pac incus (Baird), because found to be a subspecies of Na?inus tro- 

 glodytes (Linnaeus). {Cf. Oberholser, Proc. U. S. Nat. Mus., LV, 

 April 28, 1919, p. 235.) 



Nannus hiemalis helleri (Osgood) becomes Nannus troglodytes 

 helleri (Osgood), because found to be a subspecies of Nannus troglody- 

 tes (Linnaeus). (Cf. Oberholser, Proc. U. S. Nat. Mus., LV, April 28, 

 1919, p. 234.) 



Nannus hiemalis semidiensis Brooks becomes Nannus troglodytes 

 semidiensis Brooks, because found to be a subspecies of Nannus 

 troglodytes (Linnaeus). (Cf. Oberholser, Proc. U. S. Nat. Mus., LV, 

 April 28, 1919, p. 234.) 



Nannus alascensis (Baird) becomes Nannus troglodytes alascensis 

 (Baird), because found to be a subspecies of Nannus troglodytes 

 Linnaeus. (Cf. Oberholser, Proc. U. S. Nat. Mus., LV, April 28, 

 1919, p. 229.) 



Nannus meliger Oberholser becomes Nannus troglodytes meligerus 

 (Oberholser), because found to be a subspecies of Nannus troglodytes 

 (Linnaeus). (Cf. Oberholser, Proc. U. S. Nat. Mus., LV, April 28, 

 1919, p. 227.) 

 fNannus troglodytes kiskensis Oberholser. New subspecies. Ober- 

 holser, Proc. U. S. Nat. Mus., LV, April 28, 1919, p. 228 (Kiska 

 Harbor, Kiska Island, Aleutian Islands, Alaska). Range: Kiska 

 Island and Little Kiska Island, Alaska. 

 fNannus troglodytes petrophilus Oberholser. New subspecies. Ober- 

 holser, Proc. U. S. Nat. Mus., LV, April 28, 1919, p. 232 (Unalaska, 

 Unalaska Island, Alaska). Range: Unalaska, Amaknak, and Akutan 

 islands in the Aleutian Islands, Alaska. 

 fNannus troglodytes tanagensis Oberholser. New subspecies. Ober- 

 holser, Proc. U. S. Nat. Mus., LV, April 28, 1919, p. 230 (Tanaga 

 Bay, Tanaga Island, Aleutian Islands, Alaska). Range: Islands of 

 Tanaga, Adak, and Atka, Aleutian Islands, Alaska. 



Acanthopneuste borealis (Blasius) becomes Acanthopneuste bore- 

 alis kennicotti (Baird). (Phyllopneuste kennicotti Baird, Trans. 

 Chicago Acad. Sci., I, 1869, p. 313, pi. XXX, fig. 2; St. Michael, 

 Alaska), because the North American bird proves to be subspecifically 

 separable. (Cf. Oberholser, The Auk, XXXVI, No. 3, July, 1919, 

 p. 407.) 



Hylocichla aliciae aliciae (Baird) becomes Hylocichla minima aliciae 

 (Baird), because Hylocichla minima (Lafresnaye), which is Hylocichla 



