[1921] 
XV. Aves. 
Aves. 23 
599. — Robinson, H. C. On some rare 
birds from the Ind>Malayan sub- 
region. Bui. Bt. Orn. Cl. London 41 
1921 pp. 64-66. 
600. — Robinson, H. C. A new race 
of Cyornis. Bui. Bt. Orn. Cl. London 
42 1921 pp. 12-13. 
601. — Robinson, H. C. The status 
of Picus rubricollaris Baker. Ibis 
London 1921 pp. 349-350. 
602. — Robinson, H. C. and Kloss, 
C. B. Nine new Oriental birds. 
\Treron , Macropygia, Zanclostomus 
Brachylophus, Eupetes, Drymocataphus, 
Macrocincla , Horizillas, Prionochilus]. 
J. Fed. Malay Mus. Kuala Lumpur 10 
1921 pp. 203-206. 
603. — Robinson, H. C. * and Kloss, 
C. B. Some birds from Pulo Condole. 
J. Nat. Hist. Soc. Siam Bangkok 4 1921 
pp. 85-91. 
604. — Robinson, H. C. and Kloss, 
C. B. The Birds of south-west and 
peninsular Siam ; being an account of 
the birds of Siam from the head of the 
Gulf of Siam to the Malayan border, 
with references to the recorded occur- 
rences and a key to the individual 
species. J. Nat. Hist. Soc. Siam Bang- 
kok 5 1921 pp. 1-87 map. 
Robinson, H. W. vide Thomson. 
605. — Rochon-Duvigneaud, A. Le 
vision et l’oeil des Oiseaux. Bull. Biol. 
Fr. et Belg. Paris 54 1921 (109-167). 
606. — Rochon-Duvigneaud, A. Les 
grands Rapaces des gorges du Tarn. 
Rev. Fr. d’Orn. Paris 13 1921 pp. 21-25 
33-37 53-56. 
607. — Rogers, C. H. Piping Plover 
breeding in New Jersey. Auk Lancas- 
ter Pa. 38 1921 pp. 600-601. 
Rorthays, R. de vide Portier. 
Rosenberg, E. vide Blomqvist. 
608. — Rothschild, Lord. On a new 
subspecies of Snipe from New Zealand. 
Bui. Bt. Orn. Cl. London 41 1921 p. 63. 
609. — Rothschild, Lord. New race 
of Thinocorus described. Bui. Bt. 
Orn. Cl. London 41 1921 p. 111. 
610. — Rothschild, Lord. A new 
species of Parcidisea and note on P. 
apoda granti. Bui. Bt. Orn. Cl. London 
41 1921 p. 127. 
611. — Rothschild, \Lord. A new 
species of Paradisea. Bui. Bt. Orn. 
Cl. London 41 1921 pp. 138-139. 
612. — Rothschild, Lord. On the 
correct name of D’Aubenton’s cc Manu- 
code a Bouquets.” Ibis London 1921 
p. 465. 
613. — Rothschild, Lord. On a collec- 
tion of birds from West-Central and 
North-Western Yunnan. Nov. Zool. 
Tring 28 1921 pp. 14-67. 
614. — Rothschild, Lord. On some 
birds from the Weyland Mountains, 
Dutch New Guinea. Nov. Zool. Tring 
28 1921 pp. 280-294. 
615. — Rothschild, Lord and Hartert, 
E. Turdus joiceyi sp. n. Bui. B. O. C. 
41 1921 pp. 74-75. 
616. — Rowan, W. Observations on 
the breeding habits of the Merlin. Brit. 
Bds. London 15 1921 pp. 122-129 3 
photos. 
617. — Rowan, W. Some notes on 
the Belted Kingfisher. Canad. Field 
Nat. Ottawa 25 1921 pp. 30-32. 
618. — Rowswell, B. T. Report on 
the ornithological section 1920. Rep. 
Trans. Guernsey Soc. Nat. Sci. for 1920 
1921 pp. 238-240. 
619. — Rudiger, W. Ornithologische 
Beobachtungen in den Gouvernements 
Kowno und Kurland. Arch. Naturg. 
Berlin 82 Abt. A. 3 heft. 1915 pp. 12- 
27. 
620. — Rudiger, W. Beobachtungen 
an Schreiadlern. Zs. Ooloegic Neumarlc 
24 1920 pp. 20-25. 
621. — Rudiger, W. and others. Her- 
mann Hocke. Zs. Oologie Neumark 25 
1920 pp. 1-8 portr. 
Rudiger, W. vide Zimmermann. 
622. — Russell, J. Birds of Barunch 
Plains and district [Victoria]. Emu 
Melbourne 21 1921 pp. 137-142. 
623. — Ruttledge, R. F. Ornitho- 
logical notes from Mayo and Galway. 
Irish Nat. Dublin 30 1921 pp. 46-49. 
624. — S — , J. De Vogels bij Horne- 
ros. Jaarb. Cl. Ned Vogelk. Delft 
No. 11 1921 pp. 20-31. 
