23 Aves. 
Titles. 
5800 
Pearl, R. vide Boring. 
Pease, A. E. Thomas Hudson Nelson. 
Brit. Birds London 10 1917 (205-209) 
portr. 471 
Pedersen, A. Nogle op tegnelser om 
Sydsjaellands Fugle. [Notes on the 
birds of south Zealand.] Kjobenhavn 
Omith. Tids. 11 1917 (148-159). 472 
Pellinkliof, J. H. Eenige mededee- 
lingen omtrent het voorkomen van 
den Ortolaan ( Emberiza hortulana) 
in het Zuidwesten van Drenthe. [Einige 
Mitteilungen fiber das Vorkommen der 
Gartenammer im Siidwesten von 
Drenthe.] Ardea Leiden 6 1917 (90- 
92). 473 
Pelt Lechner, A. A. van. Overzicht 
der specimina in „Ootheca Wolleyana“ 
als uit Nederland afkomstig vermeld 
staande. [Uebersicht der Specimina, 
welche im „Ootheca Wolleyana“ als 
aus den Niederlanden herkfinftig ange- 
geben sind.] Ardea Leiden 6 1917 
(21-32). 474 
Perreau, G. A. Bakloh Aviary notes. 
Bird Notes Ashbourne 8 1917 (5-10). 
475 
Peters, J. L. Birds from the northern 
coast of the Dominican Republic. 
Cambridge Mass. Bull. Mus. Comp. 
Zool. 61 1917 (391-426). 476 
Peters, J. L. The Porto Rican 
Grasshopper Sparrow. Washington 
D.C. Proc. Biol. Soc. 30 1917 (95-96). 
477 
Petit, L. din6. L’arriv6e des hiron- 
delles et des martinets en 1917. Paris 
Bull. Soc. Zool. 42 1917 (108-109). 
478 
Petronievics, B. and Woodward, A. S. 
On the pectoral and pelvic arches of 
the British Museum specimen of 
Archaeopteryx. London Proc. Zool. 
Soc. 1917 (1-6) 1 pi. 479 
P6zard, A. Loi numerique de la 
regression des organes erectiles, con- 
secutive a la castration post puberale 
chez les Gallinaces. Paris C. R. Acad. 
Sci. 164 1917 (734-736). 480 
Philipp, P. B. and Bowdish, B. S. 
Some summer birds of northern New 
Brunswick. Auk Cambridge Mass. 34 
1917 (265-275) 3 pis. 481 
Phillips, J. C. The Steamer Duck 
( Tachyeres cinereus). Ibis London 
1917 (116-119) ; also Blaauw (274-276). 
482 
Plaz, J. Graf. Zugsbeobachtungen 
aus dem Pongauer Ennstale. Orn. 
Jahrb. Hallein 28 1917 (35-46). 483 
Plimmer, H. G. Report on the 
deaths which occurred in the Zoo- 
logical Gardens during 1916 etc., etc. 
London Proc. Zool. Soc. 1917 (27-35). 
484 
Plocq, E. Sur quelques oiseaux de 
Lorraine. Rev. Fran<,‘. d’Orn. Paris 
9 1917 (125-126). 485 
Poliakov, G. I. Albinism and mela- 
nism in the Goldfinch. [Russian.] 
Mess. Ornith. Moscow 8 1917 (126- 
127) 1 pi. 486 
Poncins, V icomte de. Les migrations 
des Cols-verts. Rev. Fran?. d’Om. 
Paris 1917 (120-122). 487 
Porsild, M. P. Om nogle Vestgr^n- 
landske Pattedyr og Fugle 1—11. 
Arbejder fra den Danske arktiske 
station paa Disko. No. 10 (31-54) fugle 
p. 54. Ktfbenhavn (Lunos) 1916 8vo. 
488 
Potter, J. K. Unusual nesting site 
of the Least Bittern at Camden N.J. 
Cassinia Philadelphia No. 20 1917 
(14-17) photos. 489 
Preble, E. A. vide Me A tee. 
Proger, T. W. and Paterson, D. R. 
Ornithological notes for 1916. Cardiff 
Trans. Nat. Soc. 49 1917 (67-69). 490 
Ramsay, J. and Keene, A. E. The 
Lyre Bird ; some nesting notes. 
Austr. Zool. Sydney 1917 (81-82) 4 
photos. 491 
Raspail, X. Nidification du Rouge- 
ueue Tithys et dur6e de l’incubation 
e son ceuf. Paris Bull. Soc. Zool. 42 
1917 (85-87). 492 
Rathbun, S. F. Description of a 
new subspecies of the Western Meadow- 
lark. Auk Cambridge Mass. 34 1917 
(68-70). 493 
Ray, M. S. vide Hansen. 
Reichenow [A.]. [On the forms of 
Certhia brachydactyla.] J. Ornith. 
Leipzig 65 1917 (97). 494 
