Appendix .

be accompanied by a summary of the method of use, and their various application. I have no scientific books of any sort, and, in the unknown regions of Africa, one single doubt can cause the whole geographic exploration to fail. I have also thought that if a small photographic apparatus, for example, that of Candere with prepared glasses, were added to the other instruments, the photographs obtained might in part pay for the scientific apparatus.* " I Avill forward reports as often as possible ; I will make ethnographical collections ; I will prepare a herbarium with the names of the places, reserving the classification to be made by persons acquainted with botany. I have with me two youths who knoAv how to stuff birds, etc., pretty well. In short, I will do all I can to satisfy you and Gessi, and, permit me to say, also myself.

" Yours, " G. Casat[."

The opinions of the Missionary clergyman Wilson, on returning from Uganda, concerning Gessi Pasha the Governor of the Gazelle: — " Pavenham Vicarage, " Bedford, 30th August, 1880.

" To the Editor of the EspJnratore.

"I must ask pardon for the delay in replying to your letter ; but I have been very busy since my return to England from Uganda. You ask my ■* The instruments required were generously furnished hy the ilkistrious Professor SchiappareUi, but never reached their destination.