328 JAS. J. SIMPSON—ENTOMOLOGICAL 
which also shows the general type of the vegetation. On the side of the railway 
remote from the town is a large pestilential swamp which is an_ ideal 
mosquito-breeding area, and serves to keep up a regular supply of these 
insects in the town. The authorities are quite alive to the necessity of having 
this swamp filled in, but have experienced considerable difficulty in the matter, 
owing to the high position it holds in the local fetish or “ju-ju.” It is to be 
hoped, however, that this difficulty may be overcome in the near future. 
I visited this town on two different occasions, and as my own experiences 
coincide exactly with those of Drs. Ingram, Morrison and Macfie, I shall content 
myself with giving a list of the blood-sucking flies found at Baro, and an extract 
from their report to show the nature of things as they exist at this place. 
Family CULICIDAE. 
Section Anophelina. 
Anopheles wellcomei. Myzorhynchus mauritianus. 
Myzomyia funesta, - paludis. 
3 umbrosa, Nyssorhynchus pharoensis. 
‘5 costalis, s squamosus. 
»  flavicosta. 
Section Culicina, 
Culex quasigelidus. Stegomyia fasciata, 
»,  decens. 3s gebeleinensis. 
Trichorhynchus nebulosus. ‘ sugens. 
Mansonioides uniformis. 
Family Muscrpar. 
Glossina palpalis. Glossina submorsitans. 
= tachinoides. 33 longipalpis, 
Family TABANIDAE. 
Tabanus biguttatus croceus. Tabanus latipes. 
.. subanqustus, Fs taeniola, 
Family IxopIDAXL. 
Rhipicephalus simus, 
Drs. Ingram, Morrison and Macfie in reporting on an outbreak of sleeping 
sickness at Baro, in which five cases were found, say : “ We are of opinion that 
the occurrence of trypanosomiasis is sporadic in Baro. There is, however, to 
judge from the prevalence of G. palpalis at this season of the year (August), 
no reason why it should not become epidemic. 
“An attempt was made to determine the areas in which the different species 
of Glossina occurred, No tsetse-flies were found along the narrow belt of land 
between the river and the base of the cliff, which is traversed by the road 
from Sabon Gidda to Baro. This strip of ground is kept fairly well cleared. 
While very few were encountered on the level ground enclosed by the horse- 
shoe-shaped plateau where Baro itself is situated, on ascending from this level 
to the plateau, specimens of G. palpalis and G, tachinoides are readily found on 
