Copy letter from Herbert Rix, to Dr Michael Foster, [Royal Society] Rix encloses a letter from Frederick Enock, and asks that it be returned with an intimation of whether they are to accept the proposed exhibit. He further notes that although they have sufficient exhibits, the proportion of biological exhibits is small. Rix has received a positive response from Sir Henry Roscoe. The classified list has gone to the printers. 18 April 1891