22 Aves. 
AVES. 
Wintringham, W. H. Key to the present classification of British Birds. 
Grimsby : 1890, 8vo. 
Witchell, C. A. The Evolution of Bird Song. Zool. 1890, pp. 233- 
246 & 283-288. 
Woodford, C. M. A Naturalist among the Head-Hunters. Being an 
account of three visits to the Solomon Islands, in the years 1886, 
1887, and 1888. London: 1890, 8vo, pp. i-xii & 1-249, maps and 
pis. 
Woodward, A. Smith, & Sherborn, C. D. A Catalogue of British 
Fossil Vertebrata. 1890, 8vo, pp. 1-22 & 1-320. 
Birds, pp. 301-310. 
Wyatt, C. W. [See Sharpe, R. B.] 
Zarudnoi, N. Ornitologhicheskaya Fauna oblasti Amu-dar I mezhder 
ghgh. Chardzhuem I Kelifom. Bull. Soc. Imp. Mosc. 1890, pp. 1-41. 
[Sylviidce.] 
. Recherches Zoologiques dans la Contree Transcaspienne. T. c. 
pp. 288, &c. 
An appendix to the author’s previous ornithological lists occupies 
pp. 301-315. 
. Recherches Zoologiques dans la Contrde Transcaspienne. 
Appendix. T. c., part 4, pp. 748-842. 
[ Paridce , Pterocletes .] 
. [See Corvidae. 1 
Zehntner, L. On the Development of the Feet of Cypselus melba. 
Ibis, 1890, pp. 196-200. 
[Cypselidce.] 
% 
THE GENERAL SUBJECT. 
Subclass RATITiE. 
Order RHEIFORMES. 
Rhea darwini in Tarapac^ (20' N. Lat.) ; P. L. Sclater, P. Z. S. 1890, 
p. 412. 
Order STRUTHIONIFORMES. 
Gadow, H. On the Stomach of the Ostrich. Zool. Jahrb. v, pp. 641-644, 
taf. xliii & xliv. 
Order CASUARIIFORMES. 
Casuarius australis , egg figured ; A. J. North, Nests and Eggs Austr. 
B. pi. xv. 
