poison-bulb

Updated: July 25, 2025

Continuous rains kept us for some time on the banks of the Chiponga, and here we were unfortunate enough to come among the tsetse. Mr. J. N. Gray, of the British Museum, has kindly obliged me with a drawing of the insect, with the ravages of which I have unfortunately been too familiar. No. 2 is the insect magnified; and No. 3 shows the magnified proboscis and poison-bulb at the root.*

David Livingstone - Missionary Travels and Researches in South Africa