On page 489 of the June 1955 issue of the Transactions in the Letters to the Editor relating to Corrections to a Solution Concerning Hydrologic Frequency Analysis by J. T. de Oliveira, Eq. (26) is incomnlete in that the right-hand term as shown should be multiplied by the factor 1/x. The author notes his indebtedness to E. J. Gumbel for this correction.On page 71 of the February 1956 issue of the Transactions in the paper by William Mansfield Adams two dots should be placed over ϕ in the first term of Eq. (1), each dot indicating differentiation with respect to time. The author also notes that on Figure 5 the values on the abscissa should be divided by a factor of two.