24 Aves. 
XV. Aves- 
[1922] 
565. — Oort, E. D. van. Ornitho- 
logia Neerlandica. De Vogels van 
Nederland. Pts. 10-15 pp. i-xi -f 153- 
250 60 pis. ’s Gravenhage (Nijhoff) 
1922 4to. 
Orton, 0. L. E. vide Sandland. 
566. — Osgood, W. H. In memoriarn : 
Charles Barney Cory. Born January 31 , 
1857. Died July 31, 1921. Auk 
Lancaster Pa. 39 1922 pp. 151-166 
portr. 
567. — Osgood, W. H. and Conover, 
B. Game Birds from northwestern 
Venezuela. Field Mus. Publ. Zool. 
Ser. Chicago 12 1922 pp. 19-47 1 pi. 
568. — Osmaston, B. B. Birds of 
Pachmarhi. J. Bombay N. H. Soc. 28 
1922 pp. 453-459 4 photos. 
569. — Osmaston, B. B. Woodpecker 
occupving nesting-box. J. Bombay 
N. H. Soc. 28 1922 pp. 1137-1138 fig. 
570. — Over, W. H. and Craig, S. T. 
Birds of South Dakota. Bui. Univ. 
S. Dakota in S.D. Geol. N. II. Surv. 
ser. 21 No. 9 1921 col. pi. and photos 
[n.v.]. 
571. — Overbeck de Meijer, G. A. van. 
Een merkwaadig legsel van de Goud- 
plevier. ( Charadrius apricarius L.). 
Ardea Leiden 11 1922 pp. 151-152 
I photo. 
572. — Owen, .1. H. Some breeding- 
habits of the Sparrow-Hawk. (9) 
Chiefly further notes on the offects 
of sun. Brit. Bds. London 15 1922 
pp. 256-263 3 photos. 
573. — Pardo, L. La Harelda 
glacialis Steph. en Valencia. Bol. 
Soc. Esp. Hist. Nat. Madrid 22 1922 
pp. 251-252. 
574. — Parhon, C. I. et Parhon, C. 
Sur Tinvolution estivale des caract6res 
sexuels secondaires du plumage chez 
le Canard male et sur les modifications 
paralDles du testicule chez le meme 
animal. C.R. soc. biol. Paris 87 
1922 pp. 1227-1229. 
575. — Park, J. Bird-life in : Geo- 
logy and Mineral resources of Western 
Southland. Bui. Geol. Surv. New 
Zealand Wellington No. 23 1921 pp. 4-7. 
576. — Passler, It. In der Umgebung 
Coronel’s^ (Chile) ^beobachtete Vogel. 
Beschreibung der Nester und Eier der 
Brutvogel. J. Ornith. Leipzig 70 1922 
pp. 430-482. 
577. — Passos-Freitas, H. dos. Birds 
observed by the ornithological expedi- 
tion to the Delta of the Danube. 
(Comparative Zoology Research) April - 
May 1922 pp. 1-41 Bucarest (Socec) 
1922 8vo. 
578. — Patch, C. A. A biological 
reconnaisance on Graham Island of 
the Queen Charlotte group. Canad. 
Field-Nat. Ottawa 36 1922 pp. 101- 
105 133-136. 
579. — Patten, B. M. The formation 
of the cardiac loop in the chick. Amor. 
J. Anat. Philadelphia 30 1922 pp. 373- 
397 2 text-figs. 3 pis. 
580. — Pavlov, V. The Ciliary Ganglion 
of Birds, Preliminary Note. Trav. 
Soc. Nat. Petrograd 46 1915 pp. 224- 
225. 
581. — Peabody, P. B. Haunts and 
breeding habits of the Yellow Rail, 
Coturnicops noveboracewsis. J. Comp. 
Ool. S. Barbara Cal. 2 No. 3/4 1922 
pp. 33-44 9 photos. 
582. — Pearson, T. G. Notes on the 
birds of Cumberland Island, Georgia. 
Wilson Bull. Chicago 1922 pp. 84-89. 
583. — Pease, M. S. Note on Professor 
T. H. Morgan’s Theory of Hen Feather- 
ing in Cocks. Proc. Cambridge Phil. 
Soc. 21 1922 pp. 22-26 3 text-figs. 
Pease, M. S. vide Punnott. 
584. — Pelt Lechner, A. A. van. 
Varia oologica. Ardea Leiden 11 1922 
pp. 153-160. 
585. — Pemberton, J. R. The Reddish 
Egrets of Cameroon County, Texas. 
Condor Berkeley Cal. 24 1922 pp. 
3-12 9 photos. 
586. — Pemberton, J. R. A largo 
Tern Colony in Texas. Condor Berke- 
ley Cal. 24 1922 pp. 37-48 11 photos. 
587. — Penard, T. E. A new Humming- 
bird from Surinam. Proc. New Engl. 
Zool. Cl. Cambridge Mass. 8 1922 
pp. 27-28. 
Penard, T. E. vide Bangs. 
588. — Peters, J. L. The determina- 
tion of the type of the genus Cisto- 
thorus Cabanis. Auk Lancaster Pa. 
39 1922 p. 115, 
