311 
1921 .] in the B. O. U. List of British Birds. 
p. 109. For Mnscicapa atricapilla substitute 
Muscicapa hypoleuca ( Motacilla hypoleuca [Pallas], 
t. c. p. 3, 1764 : Holland). 
p. 167. For Tadorna casarca substitute 
Casarca ferruginea (Anas ferruginea [Pallas], t. c. 
p. 5, 1764 : Tartary). 
p. 224. For Calidris arenaria substitute 
Crocethia alba ( Trynga alba [Pallas], t. c. p. 7, 
1764 : Coasts of Holland) *. 
p. 228. For Totanus fuscus substitute 
Tringa erythropus ( Scolopax erythropus [Pallas], 
t. c. p. 6 , 1764: Holland) *. 
p. 299. For Podiceps fluviatilis substitute 
Podiceps ruficollis (Colymbus ruficoilis [Pallas], t. c. 
p. 6 , 1764 : Holland). 
4. The following generic alterations were agreed to :— 
p. 7. Genus Pyrrhocorax Tunstall, Ornith. Brit. 1771, p. 2. 
This name dates from 1771 instead of from 1816. 
The type is the Cornish Chough (Upupa pyrrhocorax') 
by monotypy and tautonymy, not the Alpine Chough 
(Pyrrhocorax graculus ) as stated on p. 356 of the 
B. 0. U. List (see Mathews and Iredale, Austr. Av. 
Bee. iii. p= 119). 
p. 45. Genus Anthus Bechstein, Gemein. Naturg. Deutschl. 
2 nd ed. 1805, ii. pp. 247, 302, and 465. Type by 
subsequent designation (Mathews, Austr. Ay. Rec. 
ii. p. 123, 1915), Alauda campestris Linn. 
p. 78. For Genus Lusciniola substitute 
Herbivocula ISwinhoe, Proc. Zool. Soc. London, 1871, 
p. 353. Type by monotypy II. flemingi — Sylvia 
schivarzi Badde. 
Lusciniola melanopogon , lately added to the B. 0. U. 
List, will of course remain in the genus Lusciniola , of 
which it is the type. 
* For generic changes, see below on pp. 312, 313. 
