28 Aves. 
XVII. Aves. 
[1909J 
Hagen, Werner. Von der ,,Versen- 
kungsbefahigung“ der Schwimmvogel. 
Ornith. Monatsber. Berlin 17 1909 
(110-111). 632 
Hagen, W. Die Nachtschwalbe 
( Gaprir/culgus europaeus) in der Umgeb. 
von Liibeck. Ornith. Monatschr. Mag- 
deburg 34 1909 (194-196). 633 
Hagen, Werner. Eriihacus cyanecu- 
lus (Wolf) in Lubecks Umgebung. 
Ornith. Monatschr. Magdeburg 34 1909 
(432-434). 634 
Hagen, W. Die bei Liibeck beobach- 
teten Anthus-Arten. Giistrov Arch. 
Ver. Natg. 63 1909 (112-116). 635 
Hagendefeld', M. Zum Vogelzug 
auf der Insel Sylt. [1906.1 Ornith. 
Monatsber. Berlin 17 1909 (161-165). 
636 
Hagendefeldt, M. Seltene Beobacli- 
tungen von Sylt. Ornith. Monatschr. 
Magdeburg 34 1909 (459). 637 
Hahn, Hermann. Experimentelle 
Studien iiber die Entstehung dcs 
Blutes und der crsten Gofiisso bpim 
Huhnchen. I. Toil. Intraembryonalo 
Gefilsse. Arch. EntwMech. Leipzig 
27 1909 (337-433) 3 Taf. 638 
Hahn, W. L. Bird Notes. Amer. 
Midi. Nat. Notre Dame Ind. 1 1909 
(118-120). 639 
Hall, H. vide Kempsey. 
Hall, R. Notes on the migration 
of A pus ( Micropus ) paci ficus, Lath. 
Emu Melbourne 8 1909 (148-149) 
pi. xiii. 640 
Hall, R. Notes on the Magpie 
(Gymnorhina leuconota). Emu Mel- 
bourne 9 1909 (16-21). 641 
Hall, R. Variation in Tricho- 
gbssus, Vig. and Hors. Emu Mel- 
bourne 9 1903 73-74). 642 
Hall R. Notes on Ducks. Emu 
Melbourne 9 1909 (77-79). 643 
Hallgren, C. A. Om kornsparfven. 
[On the corn-bunting.] Fauna och 
Flora Uppsala 3 1908 (40-42). 644 
Hamilton, A. Handlist of the birds 
inhabiting New Zealand and those 
birds from other countries that have 
been observed in New Zealand as occa- 
sional visitors. Wellington Dominion 
Museum (Qovt, Printer) 1909 8vo. (19). 
Hamilton, J. S. Observations on 
migratory birds at Komatipoort. Pre- 
toria J. S. Afric. ornith. Union 5 1909 
(19-22). 646 
Hamilton, J. S. Notes upon some 
South African birds observed during 
a journey through Portuguese Nyassa- 
land. Pretoria J. S. Afric. ornith. 
Union 5 1909 (72-80). 647 
Hammling, Julius. Nachtigall und 
Sprosser. Ornithologische Beobach- 
tungen aus der Umgegend von Posen. 
Ornith. Monatsber. Berlin 17 1909 
(129-138). 648 
Hanitsch, R. Guide to the Zoo- 
logical Collections of the Raffles 
Museum, Singapore. With 21 plates. 
Singapore 1908 (1-112) [Birds pp. 15- 
35 pis. ix-xiii]. 649 
Hanko, Bela. Keresztcsoru hamvas 
varjii. [Kreuzschnabelige Nebelkrahe.] 
Potf. Termt. Kozl. Budapest 41 1909 
(75-76). 650 
Hank6, B61a. Adatok a madarak 
Fabricius-fdle mirigy6nek alak- 6s 61et- 
tan&hoz. [Boitrage zur Morphologic 
und Physiologic der Bursa Fabricii 
der Vogel.] Allatt. Kosl. Budapest 8 
1909 (74-82 111-119). 651 
Hanna, W. C. The White-throated 
Swifts on Slo ver Mountain [California] ; 
with one photo. Condor Hollywood 
Cal. 11 1909 (77-81). 652 
Hantzsch, B. Masse und Gewichte 
von Jagdfalkeneiern aus Island. Falco 
Halle 5 1909 (4-5). 653 
Hardy, John H., jun. Capture of 
the European Widgeon ( Mareca pene- 
lope) in New Hampshire. Auk Cam- 
bridge Mass. 26 1909 (304). 654 
Hardy, John H., jun. vide Townsend, 
Charles W. 
Harlow, R. C. The Little Blue 
Heron in New Jersey. Auk Cambridge 
Mass. 26 1909 (189-190). 655 
Harlow, R. C. The Yellow Rail at 
Salem, New Jersey. Auk Cambridge 
Mass. 26 1909 (190). 656 
Harlow, Richard C. Breeding of the 
Louisiana Water-Thrush ( Seiurus mota- 
cilla) in Philadelphia. Auk Cambridge 
Mass. 26 1909 (195-196), 657 
