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Having regard to the miscellaneous contents of these and other text books on the same subject, it is remarkable how definite a meaning the term “Strength of Materials” has come to have for engineers of all sorts. And yet what a curious title it is for their common stock‐in‐trade; what have pipes, beams, shafts and struts, which occupy much space in such books, to do with the strength of materials? But no engineer of to‐day—accustomed to the title of his Morley or his Timoshenko—would wish to make a change. And it seems a matter for regret, therefore, that the new book by Cormack and Andrew departs somewhat from custom by adding the word “Properties,” particularly as this might be taken to imply properties other than the mechanical ones primarily intended.