TITLES. 
Aves 7 
[Haute rt, E.] Systematische, nomenklatorische, und andero Bemer- 
kiingen iib^r deutsche Yogel. Ornith. Monber. i, pp. 165-171 & 
185-190. 
. [See also Laridce, p. 27 ; Copitones, p. 37 ; Fringillidce , p. 4 1 ; 
Strigiformes, p. 33 ; and also Rothschild, W., & Hartert.] 
Hartlaub, (t. [See RalUformes , p. 25.] 
IIartwto, W. Nachtrag zu meinen beiden Arbeiten iiber die Yogel 
Madeiras. J. Ornitliol. 1893, pp. 1-12. 
. [See also Proccllariiformcs , p. 26 ; Fringillidce , p. 42 ; and 
Muscicapidce , p. 47. J 
IIarvie-Brown, J. A. Contributions to a Fauna of the Shetland Is. 
Autumn Notes. Ann. Scott. Nat. Hist, ii, pp. 11-25 (Birds). 
IlAsnuouCK, E. M. [See Strigiformes , p. 33.] 
Headley, F. W. The Respiration of Birds. Nat. Sci. iii, pp. 28-30. 
. The Air-sacs and Hollow Bones of Birds. T. c. pp. 346-352. 
Heck, L. [See Psittaciformes, p. 36.] 
Helm, F. [See Meyer, A. B.] 
Helms, Af. O. Ornithologiske Jagttagelser fra Arsukfjorden, Syd- 
gronland. Yidensk. KjObenli. 1892, pp. 221-252. 
Hennicice, C. R. [See Liebe, K. Tii.] 
IIinxman, L. W. Report on the Movements and Occurrence of Birds 
in Scotland during 1892. Ann. Scott. Nat. Hist, ii, pp. 147-164. 
Hippel, — . Ueber Yorkommen einiger zum Teil seltener Yogel Ost- 
Preussen’s. Ornith. Jahrb. iv, pp. 32-35. 
Hoffmann, E. Ueber einen sehr jungen Anadidymus des Hiinchens. 
Arch. mikr. Anat. xli, pp. 120-131, cum tab. 
Holland, A. H. Field-notes on the Birds of Estancia Sta. Elena, 
Argentine Republic, with notes by P. L. Sclater. Ibis, 1893, 
pp. 483-488. 
Homeyer, A. von. Neu-Yorpommern und Rugen von 50 Jahren und 
jetzt. Ornith. Monber. i, pp. 21-23, & 63 & 64. 
Hose, C. On the Avifauna of Mount Dulit and the Baram district 
in the territory of Sarawak. Ibis, 1893, pp. 381-424, pis. x & xi. 
[ Oriolidce , p. 39 ; Strigiformes , p. 33.] 
Hudson, W. H. Idle Days in Patagonia. London: 1893, 8 vo, 256 pp. 
. Birds in a Village. London : 1893, 8vo, 232 pp. 
Hurst, C. H. Biological Theories, vii. The digits in a Bird’s wing : 
a study of the origin and multiplication of errors. Nat. Sci. iii, 
pp. 275-281. 
1893. [vol. xxx.] c 4 
