Handwritten letter from E.C. Horrell, F.L.S. to Professor Hillhouse, Birmingham. At the top of the letter in the left corner, 'Essex Education Committee, Biological Section.' is printed along with Horrell's title. In the top right corner, 'County Technical Laboratories, Chelmsford' is printed. The letter is regarding Horrell's moss collection, saying that he is looking through his own herbarium and adding a considerable number of unmounted specimens that he has recently received which have not yet been incorporated and had not been included in the number and named.