THE late Dr. Todhunter left, in an incomplete state, a valuable “History of the Mathematical Theories of Elasticity,” which the syndics of the Cambridge University Press have intrusted to me to ...

MR. SUTHERLAND's letter on terminology (NATURE, vol. xxxii. p. 391) leads me to suggest to Mr. Scott the employment of the term low-pression for depression in his weather forecasts sent to the ...