John Hanning Speke questions about the height and extent of the lake could not be answered easily. Speke's eyes were still bothering him and he only saw a small part of the southern end of the lake and his view was blocked by islands in the lake so he could not judge the size of the lake well. However, Speke did estimate the elevation of Lake Victoria at 4000 feet by observing the temperature at which water boiled at that level. (This lake's being substantially higher than Lake Tanganyika did make it a more likely candidate for the source of the Nile.) From
John Hanning Speke "race" comprised many tribes, including the Watusi (Tutsi). Speke described their physical appearances as having retaineddespite the hair-curling and skin-darkening effects of intermarriage"a high stamp of Asiatic feature, of which a marked characteristic is a bridged instead of bridgeless nose". Two species of African reptiles are named in his honor: Speke's hinge-back tortoise, "Kinixys spekii"; and Speke's sand lizard, "Heliobolus spekii". Two species of antelope are named in his honor; "Tragelaphus spekii" and "Gazella spekei". The film "Mountains of the Moon" (1990), starring Scottish actor Iain Glen as Speke, related the story of the Burton-Speke controversy, portrayed as having been