The British Warblers A History with Problems of Their Lives
EGGS OF BRITISH WARBLERS, PL. 1.
1-6 AQUATIC-W. 7-12 SEDGE-W. 13-18 REED-W. 19-24 MARSH-W. 25-34 GREAT REED-WARBLER.
A HISTORY WITH PROBLEMS
H. ELIOT HOWARD, F.Z.S., M.B.O.U.
Illustrated by Henrik Grönvold
R. H. PORTER
7, PRINCES STREET, CAVENDISH SQUARE, W.
Price 21s. net.
Showing approximate Geographical Distribution of Grasshopper and Savi's Warblers, during Summer and Winter.