13. Letters on the Education of Young Children.

By S. G. O.

14. The Stormontfield Piscicultural Experiments. 1853–1866.

By ROBERT BUIST.

15. A Tract for the Times.

16. Spain in 1866.

17. The Highland Shepherd.

By the Author of ‘The Two Queys.’

18. The Doctrine of the Correlation of Forces: its Development and Evidence.

By the Rev. JAMES CRANBROOK, Edinburgh.