¶ "Their popularity is sufficient testimony of their usefulness."

St. Thomas's Hospital Gazette.

Aids to the Analysis and Assay of Ores, Metals, Fuels, etc. By J.J. Morgan, F.I.C., F.C.S. Second Edition. With 8 Illustrations. Price 3s. net.

Aids to the Analysis of Food and Drugs. By C.G. Moor, M.A., F.I.C., and W. Partridge, F.I.C. Fourth Edition. Price 4s. 6d. net.

Aids to Anatomy (Pocket Anatomy). By C.H. Fagge, M.B., M.S., F.R.C.S. Eighth Edition. Price 5s. net.

Aids to Bacteriology. By C.G. Moor, M.A., F.I.C., and W. Partridge, F.I.C. Third Edition. Price 4s. net.

Aids to Chemistry. By William Partridge, F.I.C. Pp. viii+280. Price 6s. net.

Aids to the Diagnosis and Treatment of the Diseases of Children. By J. McCaw, M.D., L.R.C.P. Edin. Fifth Edition. Price 6s. net.

Aids to the Feeding and Hygiene of Infants and Children. By the same Author. Price 3s. net.

Aids to Dental Anatomy and Physiology. By Arthur S. Underwood, M.R.C.S., L.D.S. Eng. Third Edition. Price 3s. net.