epidemic of smallpox. In connection with the smallpox outbreaks during the whole expedition there are some curious facts. Our Hausas were, with one exception, all vaccinated, and this man was the only one in the company who caught smallpox, and he died of it. In the Elmina company there were only two men unvaccinated, both of whom got smallpox, and one of whom died of it. Of our Lower Congo porters very few had had smallpox, and only some half dozen had been vaccinated. Among this body of two hundred men rather over two-thirds took smallpox, and there were sixty-five deaths amongst them.

The mortality both from smallpox and influenza among Lutete's people and the other friendlies and camp followers was frightful. A great deal of it is easily accounted for by the fact that, in spite of the most stringent orders to the