ii2 THOMPSON YATES AND JOHNSTON LABORATORIES REPORT 
Usually smaller ; head narrower ; front paler and wider ; eyes in $ as well as in £2 
distinctly converging towards vertex ; abdominal bands less deep, pale hind margins of 
segments therefore deeper ; hypopygium in $ larger, paler, somewhat more oval in outline, 
and clothed with fewer fine hairs ; tip of $ abdomen less hairy laterally ; bristles on 
sixth segment in $ stouter and more conspicuous... ... ... ... morsltans, Westw. 
7. Dorsum of thorax with four sharply defined small dark -brown oval spots, arranged in a 
parallelogram, two in front of and two behind transverse suture ; bulb at base of 
proboscis brown at the tip ... ... ... ... ... ... ... longipennis, Corti. 
. Dorsum of thorax without such spots, though with more or less distinct longitudinal 
stripes; bulb at base of proboscis not brown at the tip* ... ... ... fusca, Walk. 
Notes and References 
1. Sur une Nouvelle Espece de Mouche Tsetse, la Glossina decorsei, n. sp., provenant de 1 'Afrique Centrale. Par M. E. 
Brumpt (Comptes Rendus des Seances de la Societe de Biologie, Seance du 16 Avril, 1904), T. lvi, p. 628-630. 
2. Glossina Longipennis in Somaliland ; Glossina morsitans and Glossina pallidipes in Zululand and elsewhere ; Glossitia 
palpalis in the basin of the Congo ; and Glossina tachtnoides, Westw. [Glossina decorsei, Brumpt) on Lake Chad and the Shari. 
Mr. Gowers also found that the latter species carries the disease on the Benue River. 
3. Preliminary Report on the Tsetse-Jly Disease or Nagana in Zululand. By Surgeon-Major David Bruce, A. M.S. Ubombo, 
Zululand, December, 1895 (Bennett and Davis, Printers, Field Street, Durban), p. 2. 
4. Reports of the Sleeping Sickness Commission, No. iv, November, 1 903. 
5. Mr. Gowers has recently informed me that this horse died in three weeks, undoubtedly from Tsetse-fly disease. 
— E. E. A. 
6. In South Africa dogs, at any rate, succumb to Tsetse-fly disease. — E. E. A. 
7. Loc. cit., p. 629. 
8. Combtes Rendus des Seances de la Societe de Biologie (Seance du 23 Avril, 1904) T. lvi, p. 673. 
9. Ibid ; see also op. cit., T. lv, p. 1497. 
10. Op. cit., T. lv, p. 1497. 
* N.B. — The ordinary dark-brown patch on each side of the bulb on its upper margin, which is often especially well 
marked in West African specimens, must not be mistaken for a brown tip. 
