Handwritten letter from E.C. Horrell, F.L.S. to Professor Hillhouse, Birmingham. The letter comprises of a list of the things that Horrell has sent to Hillhouse, such as a packing case, cabinet, etc. and information on how to put them together again and the arrangement of species (e.g.: the exotic species are arranged in Genera). 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