[1921] 
XV. Aves. 
Aves. 41 
Porphyrio poliocephalus caspius = 
P. p. seistanicus, Buxton 116 p. 879. 
Heliopais per sonata nest and eggs, 
Hopwood 316. 
ORDER PODICIPEDIFORMES. 
[Proctopus] Podiceps nigricollis nest- 
ing in Herts, Oldham 629; observations 
in Holland, van Dedem 176. 
[Lophaethyia] Podiceps cristatus sex- 
ual relations, Selous 665. — Colymbus 
holbbllii is a race of C. grisegena Bodd. 
and discussion of correct name, Ober- 
holser 515 p. 79. 
ORDER SPHENISCIFORMES. 
Parallelism in habits of Penguins and 
Seals, Osgood 536. 
[Catarrhactes] Eudyptes cristatus is 
the correct name for E. chrysocome 
auct., Mathews & Iredale 459 p. 
146. — E. serresianus moseleyi Tristan 
group, E. s. interjectus Kerguelen I. 
subspp. n., Mathews & Iredale Man. 
Bds. Austr. 1 p. 11. 
ORDER PROCELLARIIFORMES. 
On the Tubinares in the Gould col- 
lection at Philadelphia, Alexander 7. 
The Petrels and Albatrosses of the 
Southern Atlantic, Dabbene 173. 
Notes on Australian Tubinares, Fer- 
guson 205. 
Migrations of Albatrosses and Petrels, 
Loomis 421. 
[Procellaria] Iiydrobates pelagicus 
nesting notes, Gordon 242. 
Oceanites gracilis galapagoensis sub- 
sp. n. Galapagos Is., Lowe Bui. B. 0. C. 
41 p. 140. 
Pujfinus pujffinus mauretanicus sub- 
sp. n. W. Mediterranean, Lowe Bui. 
B. 0. C. 41 p. 140. — P. p. yelkouan and 
P. p. mauretanicus on examples taken 
on British coasts, Witherby 795. 
Fulmarus glacialis occurrence in 
Saxony, Schneider 646.. 
[Prion] Heteroprion desolatus alexan- 
deri subsp. n. W Australia, Mathews 
& Iredale Man. Bds. Austr. 1 p. 42. 
Pelecanoides review of the genus with 
synopsis, etc., Murphy & Harper 504. 
Porthmornis subg. n. for type Peleca- 
noides magellani Mathews, Murphy & 
Harper Bull. Amer. Mus. 44 pp. 503 
513. 
Pelagodyptes subg. n. for type 
Pelecanoides georgicus, Murphy & 
Harper Bull. Amer. Mus. 44 pp. 503 
519. 
Phoebetria palpebrata murphyi nom. n. 
pro P. p. antarctica S. Georgia, Mathews 
& Iredale Man. Bds. Austr. 1 p. 50. 
ORDER ALCIFORMES. 
The Auks and Guillemots ( Alcae ) of 
the Palaearctic region monographed, 
Hartert 279 p. 1765. 
f[ Plautus ] Alca impemnis historical 
notices> Mullens 499. 
Alle alle occurrence in Westphalia 
and distribution in Germany, Reicii- 
ling 583. 
[Uria] Gavia using wings when 
diving, Forbush 213. — U. troille cali- 
fornica killed by oil on Pacific coast. 
Palmer 543. — G. immer elasson subsp. 
n. W. and C. North America, Bishop 
Auk 38 p. 367. 
ORDER LARIFORMES. 
The Gulls (Lari) of the Palaearctic 
region monographed, Hartert 279 
p, 1681. 
Life histories of N. American Gulls 
and Terns, Bent 68. 
[Hydrochelidon] Clidonias leucopareia 
sclateri nom. n. pro C. 1. delalandii 
invalid S. Africa, Mathews & Iredale 
Man. Bds. Austr. 1 p. 84. 
[Hydroprogne] Sterna caspia breeding 
and breeding places in Germany, 
Dietrich 184 185. 
Sterna hirundo, egg-studies at 
Blakeney, Watson 768 ; wintering in 
Scotland, Collinge 160 ; marked in 
Maine recovered in the Niger delta, 
Lincoln 404. — S. h. tibetana and S. 
sinensis eggs from N. China, La 
Touche 382 p. 32. — S. hirundo and S. 
minuta nesting in Essex, Clegg 240. — 
S. dougalli and S. sandvicensis report 
on Irish colonies, Carroll 120. — S. 
maxima albididorsalis subsp. n. Cape 
Blanco N.W. Afr., Hartert Vog. pal. 
Faun. p. 1698. — Pelecanopus bengalensis 
