This letter was with reference to the telegram where mean areas giving better gauge of prominence activity than mean extent are discussed. It also encloses a table of mean areas from 1890 to 1921.

The letter contains information stating the return of 4-inch lens to Pocock and retaining of 15-inch lens to verify the Venus results.

The letter was a critisism by Evershed on the assumption of radial outflow of gases with a velocity increasing with heigh above the photosphere, combined with a constant relativity effect.

This letter was a reply to the letter discussing definite periodicity in sunspot activity in the mean period being 11.12 years.

The letter discusses on the H and K wave-lengths and discusses the recent results that confirm the earlier results, exactly in the case of H and with a difference of 001 with K.

The letter was a reply to Evershed saying that there will be no difficulty in dealing with the 26 inch originals and requesting to provide necessary information.

This letter informs about sending John Evershed a diapositive of Mr.Woods's photograph of "Halley" of 1910 April 1921.

This letter was about replying to C. M. Smith opinion on uselessness of a table in the solar article for the Monthly Weather Review.

This letter explained on Observatories Committee recommendation that sunspot spectra should be photographed in the first place and that visual observations were to be secondary in the year 1895 or at any rate before 1901. Since he could not find an original document on the subject, he has requested to provide the copy of the recommendations previous to 1901.

This letter was about the verification of Lockyer's papers about the sun and Indian conditions.