43 Avcs. 
Titles- 
5800 
Oordt, G. J. van. Waarnemingen van 
cendachtigen te Hoek van Holland. 
[Beobachtungen fiber Enten bei Hoek 
van Holland.] Ardoa Leiden 2 1913 
(143-148). 996 
Oort, E. D. van. Rcsultaten van het 
ringondorzock van hot Rijksmuseum 
te Leiden. [Resultate der Ringunter- 
suchung durch das Reichsmuseum zu 
Leiden.] Ardea Leiden 2 1913 (11-22 
121-128 149-152). 997 
Oort, E. I), van. Ornithologische 
waarnemingen in Nederland. [Ornitho- 
logischo Beobachtungen in den Niedor- 
landcn.] Ardea Leiden 2 1913 (28-33 
76-80). 998 
Oort, E. I), van. De waterspreeuw 
broedend in Nederland. [Die Wasser- 
amsel in den Niederlanden briitend.] 
Ardea Leiden 2 1913 (154-155). 999 
Oort, E. D. van. Bird-marking in the 
Netherlands, iii. Recovery of marked 
birds. Leiden Notes Mus. Jentink 35 
1913 (209-223). 1000 
Orr, J. B. and Watson, A. Study of 
the respiratory mechanism in the duck. 
J. Physiol. Cambridge 46 1913 (337- 
348). 1001 
Orton, C. L. E. and Sandland, P. T. 
Birds of Moora (W. A.) and District. 
Emu Melbourne 13 1913 (75-80). 1002 
Osmaston, A. E. The birds of Gorakh- 
pur. Bombav J. Nat. Hist. Soc. 22 
1913 (532-549). 1003 
Otto, H. Beitrage zur Kenntnis der 
pathologisch begrfindeten Unterschei- 
dungsmerkmale bei Taubenrassen. 
Bern. Vet.-med. Diss. (52) 1 Taf. Berlin 
1910. 22 cm. 1004 
Owen, J. A. Parent birds removing 
matter from the gapes of nestlings. 
British Birds London 7 1913 (140-141). 
1005 
Owen, J. H. Notes on mortality in 
nestling cuckoos. British Birds London 
6 1913 (330-333). 1006 
Paessler, R. Beitrage zur Verbreitung 
der Seevogel. J. Ornith. Leipzig 61 
1913 (41-51). 1007 
Paine, J. H. A now genus of Mallo- 
phaga from African Guinea Fowl in 
the United States National Museum. 
Washington D.C. Smithsonian Inst. 
Miscell, Coll. 61 No. 23 1913 (1-4). 1008 
Palm6n, J. A. Forslag om markning 
af faglar i Finland. [Vorschlag zuin 
Beringen von Vogeln in Finland.] 
Ilolsingfors Medd. Soo. Fauna ot FI. 
Fcnn. 39 1913 (64-65 deutschcs Ref. 
244). 1009 
Palmer, T. S. Tho Harlequin Duck 
( Histrionicus histrionicus) in Wyoming. 
Auk Cambridge Mass. 30 1913 (106-107 
267-268). 1010 
Palmer, T. S. Introduction of the 
Ruffed Grouse on Washington Island, 
Wis. Auk Cambridge Mass. 30 1913 
(582). 1011 
Palmer, T. S. Our national bird 
reservations. Now York Amcr. Mus. 
Journ. 13 1913 (203-214). 1012 
Paris, P. Recherches sur la glande 
uropygienne des oiseaux. Arch. zool. 
Paris 53 1913 (139-276) 4 pis. 1013 
Paris, P. Observations ornitho- 
logiques (Cote-d’Or, 1911). Rev. fran?. 
ornith. Paris 1912 (376-377). 1014 
Parkin, T. The Grey Friars, Win- 
chelsea, and its rookery. Hastings and 
E. Sussex Nat. 2 1913 (65-72) 4 pis. 
1015 
[Pasdenko, S.] namemco, C. Ilepe- 
Jien* chhhu'L-mockoboivl {Par us ater 
L.). [Sur le vol des “ Parus ater L.”] 
Ornith. et avicult. Moskva 4 1913 (287- 
293). 1016 
Passow, A. u. H. Einiges iibcr die 
Brut des Gartern’otschwanzchens. Mitt. 
Vogelwelt Niirnberg 13 1913 (2-6). 
1017 
Paterson, D. R. vide Proger. 
Paterson, J. The return of summer 
birds to the Clyde area in 1913. Glasgow 
Nat. 5 1913 (81-89). 1018 
Patten, C. J. Discovery of a colony 
of Tree-Sparrows on Inishtrahull Island, 
Co. Donegal, with remarks on the 
distribution of this species in Ireland. 
British Birds London 7 1913 (38-50) 
2 figs. 1019 
Patten, C. J. Some features in bird 
migration, as observed during eight 
weeks’ residence at the Tuskar light 
station, Co. Wexford. London Rep. 
Brit. Ass. for 1912 1913 (503-504). 
1020 
Patten, C. J. Robins on migration 
observed at tho Tuskar Rock Light- 
house. Zoologist London 1913 (1-14). 
1021 
