30 Aves. 
AVES. 
Vorderman, A. G. The Birds of Billiton. Notes Leyd. Mus. xiii, pp. 
121-130. 
. Over het voorkomen van eeue Loophoendersoort in den Kangean- 
Archipel. Nat. Tijdschr. Nederl. Ind. xlix, All. i, pp. 71-73. 
-. Nog iets over het Loophoen van den Kangean-Archipel. Op. cit. 
1, Afl. 4, pp. 520-524. 
[ Megapodiiy p. 35.] 
— -. Over eene Vogelcollectie afkomstig van Borneo. T. c. Afl. 3, 
pp. 378-409. 
. Over eene collectie Vogels afkomstig van de Lampongs (Zuid- 
Sumatra). Op. cit. li, Afl. 2, pp. 201-249. 
. Java-Vogels. i. T. c. Afl. 4, pp. 373-416. 
Waite, E. R. Vertebrates of the Western Ainsty. Naturalist, 1891 
Birds, pp. 87-110. 
Wangelin, V. [See Liebe, Tii., and Wangelin.] 
Ward, H. L. The Flight of Birds. Science, xvii, pp. 45 & 46. 
°Warren, B. H. Report on the Birds of Pennsylvania. With special 
reference to the Food Habits, based on over four thousand Stomach 
Examinations. 2nd edit. Harrisburg: 1890, 8vo, xiv & 434 pp., ICO pis. 
Watson, J. Poachers and Poaching. 1891, 8vo, pp. i-viii & 1-327. 
Some popular notes on Bird life. 
Whitlock, F. B. Ornithological Notes from Notts. Autumn and 
Winter, 1890-91. Naturalist, 1891, pp. 46-49. 
. [See also Fringillince , p. 59.] 
. Notes on the Birds of Leicestershire. Zool. xlix, pp. 21-33. 
W iglesworth, L. W. On the Polynesian Members of the Genus 
Ptilopus. Ibis, 1891, pp. 566-584, pi. xi. 
[ Columbiformes , p. 36.] 
. Aves Polynesia3. A Catalogue of the Birds of the Polynesian 
Sub-region. Abh. zool. Mus. Dresden, vi, 1891, pp. 1-92. 
[A Icedinidce, p. 48 ; Meliphagidce , p. 61.] 
Wilde, K. [See Bucerotes , p. 48.] 
Willard, W. S. Migration and Distribution of North American Birds 
in Brown and Outagamie Counties [Wisconsin]. Tr. Wisconsin 
Acad, vi, pp. 177-196 [1886]. 
Wilson, S. B. Descriptions of two new species of Sandwich Island 
Birds. Ann. N. H. (6) vii, p. 460. 
[ Drepanidce , p. 59 ; Turdidce , p. 63.] 
. On the Muscicapine Genus Chasiempis , with a description of a new 
species. P. Z. S. 1891, pp. 164-166. 
[Muscicapidee, p. 67.] 
