108 Mr, E. E. Austen on new 



base and a transverse mark at end of proximal third milky. 

 Haltercs cream-coloured, knob sometimes brownish at base 

 above and below. Legs: front tibiae slightly incrassate. 



Mozambique, Nyasaland l^roteetorate, Uganda, Somali- 

 land : type from Wadelai, Nile Province^ Uganda, 24. xi. 

 1904 {Captain E. D. TV. Greig, I. M.S.) ; a second specimen 

 from Uganda {Captain Greig) ; one specimen from Somali- 

 land {Th. Greenfield) ; two specimens from Katumbe, 

 N. Nyasa, Nyasaland Protectorate, 6. xii. 1906, and three 

 from Elantyre District, Nyasaland Protectorate, May 1905 

 [Dr. J. E. S. Old). Dr. Old's field-note to one of his 

 specimens from Katumbe is as follows : — " Caugiit biting- 

 cattle : country swampy jungle, with very tall coarse reeds 

 and forest with low trees. Only game seen were bushbuck, 

 waterbuek, and wartliog ; old spoor of eland plentiful, as also 

 that of buffalo some months old." Through the courtesy of 

 Mons. J. R. M. Surcouf, I have been enabled to examine a 

 series of specimens of this species in the collection of the 

 Museum d'Histoire Naturelle, Paris, including examples 

 from Mozambique, 1905 [G. Vasse), and the bed of the 

 Dakato R., S. Harrar, Ogaden, Somaliland, June 1901 

 {Dr. E. Brumpt) . 



To judge from Loew^s figure {' Dipteren-Fauna Siid- 

 afrika's/ 1860, taf. i. fig, 26), the pattern of the light 

 markings in the wing of H. recurrens, hw., from Natal, is 

 similar to that exhibited by the present species, although in 

 the former case the rosettes are much less broken up. 

 The degree of affinity between H. meteorica, Corti (Somali- 

 land), and H.madans cannot be determined without making 

 an examination of the type of the former, since the wing- 

 markings in this species have not been described or figured ; 

 it would appear from Corti's description, however, that all 

 the tibiae in H. meteorica have two pale bands. From 

 H. pulchrithorasc, Austen, H. mactans can be distinguished, 

 apart from all other characters, by the much narrower basal 

 portion of the third joint of the antennae, as well as by the 

 absence of any trace of a second pale band on the front 

 tibiae. 



Hamatopota stimulans, sp. n. 



? — Length (4 specimens) 8-6 to 11 mm.; width of 

 head 3 to 3-5 mm,; width of front at vertex 1 mm. to just 

 over 1 mm.; length of wing 8'2 to 9'4 mm. 



Dark brown ; dorsum of thorax darker than abdomen, with 

 three narrow longitudinal stripes and usual pair of crescentic 

 marks on hind margin smoke-grey ; scutellum smoke-grey , with 



