£lo Proposed Changes in the A. 0. U. Check-List. (.April 



Oidemia americana Swainson becomes Oidema nigra americana 



Swainson, because only subspecifically distinct from Oidemia nigra. 



(Cf. Millais, British Diving Ducks, II, 1913, p. 55.) 

 Exanthemops Elliot. Raised to generic rank. (Cf. Oberholser, The 



Auk, XXXVI, No. 4, October, 1919, p. 562.) Its only species, now 



in the genus Chen, therefore becomes 

 Exanthemops rossii (Cassin). 

 Casmerodius egretta (Gmelin) becomes Casmerodius albus egretta 



(Gmelin), because found to be only subspecifically distinct from 



Casmerodius albus. (Cf. Oberholser, The Axjk, XXXVI, No. 4, 



October, 1919, pp. 557-558.) 

 Canutus canutus rufus (Wilson) becomes Canutus canutus 



(Linnaeus), because not considered subspecifically distinct. (Cf. 



Ridgway, Bull. U. S. Nat. Mus., No. 50, VIII, June 26, 1919, pp. 



233, 238.) 

 Limnocinclus acuminatus (Horsfield) becomes Pisobia acuminata 



(Horsfield). (Cf. Ridgway, Bull. U. S. Nat. Mus., No. 50, VIII, 



June 26, 1919, p. 266). 

 Pisobia minutilla subminuta Middendorff becomes Pisobia sub- 



minuta Middendorff, because considered specifically distinct. (Cf. 



Ridgway, Bull. U. S. Nat. Mus., No. 50, VIII, June 26, 1919, pp. 



269, 300.) 

 fPisobia ruficollis (Pallas). Trynga ruficoMs Pallas, Reis. Russ. Reichs, 



III, 1776, p. 700 (Kulussutai, eastern Siberia). Recorded from 



Nome, Alaska. (Cf. Ridgway, Bull. U. S. Nat. Mus., No. 50, VIII, 



June 26, 1919, p. 292.) 

 tPisobia cooperi (Baird). Tringa cooperi Baird, Rep. Explor. and 



Surv. R. R. Pac, IX, 1858, p. 716 (Raynor South, Long Island, 



N. Y.). Considered a good species. (Cf. Ridgway, Bull. U. S. 



Nat. Mus., No. 50, VIII, June 26, 1919, p. 289.) 

 Pelidna alpina pacifica Coues becomes Pelidna alpina sakhalina 



(Vieillot). (Cf. Ridgway, Bull. U. S. Nat. Mus., No. 50, VIII, 



June 26, 1919, pp. 262-266.) 

 Calidris leucophaea rubida (Gmelin) becomes Calidris alba (Pallas). 



(Cf. Ridgway, Bull. U. S. Nat. Mus., No. 50, VIII, June 26, 1919, 



pp. 308-314.) 

 fNeoglottis Ridgway. New genus. Ridgway, Bull. U. S. Nat. Mus., 



No. 50, VIII, June 26, 1919, p. 329 (type, Scolopax melanoleuca 



Gmelin). Includes the following species now in the genera Glottis 



and Iliornis: 



Neoglottis melanoleuca (Gmelin). 

 Neoglottis flavipes (Gmelin). 

 fHeteractitis brevipes (Vieillot). Totanus brevipes Vieillot, Nouv. 



Diet. d'Hist. Nat., VI, 1816, p. 410 (no locality). Recorded as 



North American from a specimen taken on the Pribilof Islands, 



Alaska. (Cf. Hanna, Journ. Wash. Acad. Sci., IX, No. 6, March 19, 



1919, p. 176.) 



