Appendices: A. Report on a collection of fishes made by Dr. A. Donaldson Smith during his expedition to Lake Rudolf. By Dr. Albert Günther.--B. Order Araneæ. By Eugène Simon.--C. Solifugæ, Scorpiones, Chilopoda, and Diplopoda. By R. I. Pocock.--D. List of Lepidoptera Heterocera collected by Dr. A. Donaldson Smith. By W. J. Holland.--E. Note on Dr. Donaldson Smith's geological collection. By. J. W. Gregory.--F. On the fossil Cephalopoda from Somaliland collected by Dr. Donaldson Smith. By G. C. Crick.--G. Catalogue of ethnographical objects from Somaliland and the Galla country collected by Dr. A. Donaldson Smith, in Museum of science and art, University of Pennsylvania. By Stewart Culin.--H. Lists of a few words spoken by the Konso, Dume, and Arbore (Amar) tribes.--I. Coleoptera. By Dr. Karl Jordan.--J. Emperor Menelek's letter. (French translation)