Note 3 — CHAP. XIV. WE EXPLORE THE TANGANYIKA LAKE.

Not unmindful of the instructions of the Bombay Geographical Society, which called especial attention to the amount of rain-fall and evaporation in a region, which abounding in lakes and rivers yet sends no supplies to the sea, I had prepared, at Zanzibar, a dish and a gauge for the purpose of comparing the hygrometry of the African with that of the Indian rainy monsoon. The instruments, however, were fated to do no work. The first portion of the Masika was spent in a journey; ensued severe sickness, and the end of the rains happened during a voyage to the north of the Tanganyika. A few scattered observations might have been registered, but it was judged better to bring home no results, rather than imperfections which could only mislead the meteorologist.