In the East African bongo (B.
Divergent opinions have been held as to the mode of origin of the East African lakes, especially Tanganyika, which some geologists have considered to represent an old arm of the sea, dating from a time when the whole central Congo basin was under water; others holding that the lake water has accumulated in a depression caused by subsidence.
The family is represented by the South African Pedetes caller, which is as large as a hare, and the smaller East African P. surdaster.
R The striped hyena (Hyaena striata) is the most widely distributed species, being found throughout India, Persia, Asia Minor, and North and East Africa, the East African form constituting a distinct, race, H.
Appeals for help were sent to Frederick John Jackson (subsequently lieutenant-governor of British East Africa), who had arrived on the east of the lake with a caravan of some Soo rifles, sent by the newly-formed East African Chartered Company.
With the establishment of a British protectorate at Zanzibar, and of British and German protectorates on the mainland of East Africa and in the region of the head-waters of the Nile, the East African slave trade received its death-blow.
In the bamboo-rats, Rhizomys, from the Indo-Malay countries, China and Tibet, as well as in the closely allied East African Tachyoryctes, the eyes are, however, functional, and the head is rounded.
In the Hemipterous group of the Rhynchota ant-mimicry is illustrated by the larva of a British species of Reduviidae (Nabis lativentris) in which the forepart of the abdomen is furnished on each side with a patch of white hairs leaving a central narrow dark portion in imitation of the waist of the ant; and also by an East African species (Myrmoplasta mira) which in its general form exhibits a close resemblance to an ant (Polyrrhacis gagates) which occurs in the same neighbourhood.
Other east African monkeys with a similar type of colouring, which, together with the wholly black west African C. satanas, collectively constitute the subgenus Guereza, may be included under the same title; and the name may be further extended to embrace all the African thumbless monkeys of the genus Colobus.
AARD-WOLF (earth-wolf), a South and East African carnivorous mammal (Proteles cristatus), in general appearance like a small striped hyena, but with a more pointed muzzle, sharper ears, and a long erectile mane down the middle line of the neck and back.