io8 THOMPSON YATES AND JOHNSTON LABORATORIES REPORT 
As regards the connexion between Tsetse-flies and big game in South Africa, it 
may be noted that Mr. Robert Codrington, Administrator of North-Eastern 
Rhodesia in his Report on the Administration of North-Eastern Rhodesia for the year 
ending March 31,1 903 (Fort Jameson : Printed at the ' Administration Press,' North- 
Eastern Rhodesia), pp. 15-16, writes as follows : — 
' The general increase of game of late years has been remarkable . . . The Tsetse-fly is now, for 
presumably the same reason, found in districts where it was before unknown.' 
Similarly, on p. 23 of the same pamphlet, in a Report by the Civil Commissioner 
(Charles McKinnon, Esq.) for the year ending March 31, 1903, on North Luangwa 
and Awemba districts, it is stated that : — 
The Tsetse-fl}- is increasing to an alarming extent to the south of Mirongo, which I take to be due 
to the increase of game. 
These observations support the statements on this subject in the writer's Mono- 
graph, pp. 14-15. 
Glossina tachinoides (Westw.) 
As has already been stated, this species is nearly related to Glossina pallidipes 
(Austen), which, except in size, it closely resembles, but is readily distinguishable by the 
colour of the hind tarsi. These are either entirely dark, as in the male, or have the first 
three joints somewhat lighter at the base. The front and middle tarsi are pale, with 
the exception of the last two joints, the tips of which are usually faintly brownish. 
The abdomen is marked with deep interrupted bands of dark brown, leaving the hind 
margins of the segments only narrowly pale. In the present paper there is no necessity 
to enter into a detailed description of this species, more especially since its diagnostic 
characters will be found in the appended ' Synopsis.' It may, however, be stated that 
it is the smallest of all the Tsetse-flies, the males not exceeding 6 to &\ mm. in length, 
while the females measure 7^ to 8 mm., exclusive of the proboscis in each case. 
In addition to the extensive series of specimens of this species, taken, as already 
stated, on the Benue River, Northern Nigeria, in the latter half of May and beginning 
of June of the present year by Mr. W. F. Gowers, the British Museum has received, 
through the kindness of Professor Mensii., of the Institut Pasteur, and Dr. Brumpt, 
of the Laboratoire de Parasitologic, Paris, seven other individuals from the series 
collected on the river Shari, French Soudan, by Dr. Decorse. Lastly, a single female 
obtained by himself thirteen miles south of Wushishi, in the Kadima River Valley, 
Northern Nigeria, at the beginning of last March (with three specimens of Glossina 
palpalis), has been presented by Dr. S. H. Jones. 
As regards the occurrence of Glossina tachinoides on the Benue River, Mr. Gowers 
has kindly contributed the following note : — 
'This species of Tsetse-fl)' is found along the Benue River between Lau and Lokoja. With the 
exception of one or two small spots, no horses or cattle can be kept in this area. Above Lau, however, 
