THOMSON’S GAZELLE
The ‘Thomsoni’ in habits is very like the G. Grantii, but as a rule is found in rather larger herds. Single bucks of this species are, however, more often seen than single Grantii bucks. At Lake Naivasha, in July 1890, I saw a large herd of some sixty head, composed entirely of does, and in the same place, in September of the previous year, I saw a herd of some thirty or forty beasts, every one of which was a buck; but I do not think that this can be taken as evidence that the bucks and does separate at certain seasons of the year, as on the same days on which I saw these two herds I also saw others in which the bucks and does were together. A Thomsoni is a confiding little beast, and, except in places close to a well-beaten caravan route, where it has been constantly shot at, can be easily approached within 120 yards with ordinary care and perseverance, even in the most open and covertless places. These beasts appear to be confined almost entirely to the Masai country, as I have not heard of their having been seen east of the Sigarari plains to the south of Kilimanjaro, or south of the Useri river and the head-waters of the Tsavo. I saw none at Njemps near Lake Baringo, or in Turkwel and Ngaboto in the Suk country, though G. Grantii was plentiful in all these places.