SCIENCE

BIRDS IN TOWN AND VILLAGE. By W. H. Hudson. Dent. 10s. 6d.

THE BOOK OF A NATURALIST. By W. H. Hudson. Hodder & Stoughton. 12s.

THE MIND OF A WOMAN. By A. T. Schofield. Methuen. 3s.

IRON BACTERIA. By David Ellis, D.SC. Methuen. 10s. 6d.

ACCOUNTS RENDERED OF WORK DONE AND THINGS SEEN. By J. Y. Buchanan. Cambridge University Press. 20s.

ELEMENTS OF VECTOR ALGEBRA. By L. Silberstein. Longmans. 5s.

A NATURALIST'S SKETCH BOOK. By Archibald Thorburn. Longmans. £6 6s.

A GEOGRAPHICAL DICTIONARY OF BRITISH ORNITHOLOGY. By W. H. Mullens, H. Kirke Swann, and the Rev. F. C. R. Jourdain. Part I. Witherby. 6s.