12. AIRCRAFT OF TO-DAY. Maj. C. C. Turner.
14. ANIMAL INGENUITY. C. A. Ealand, M.A.
15. CHEMISTRY OF TO-DAY. P. G. Bull, M.A.
THE THINGS SEEN SERIES
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NEW VOLUMES
26. THINGS SEEN IN SWITZERLAND (In Summer). Douglas Ashby.
27. THINGS SEEN IN THE PYRENEES. Capt. Leslie Richardson.