Notices of the proceedings at the meetings of the members of the Royal Institution of Great Britain with abstracts of the discourses . arbiting insect? Knowing that we are dealing with a trypanosome, and knowingthat the trypanosome of nagana is carried in South Africa by a tsetsefly (G. morsitans), naturally we will suspect that the trypanosome ofthis disease is also carried by a tsetse fly. Now on the lake shorenear Entebbe a tsetse fly (, Fig. 6) is found in large may be the insect carrier we are in search of. The PrimeMinister and Regents, on being consulted, recognis
Notices of the proceedings at the meetings of the members of the Royal Institution of Great Britain with abstracts of the discourses . arbiting insect? Knowing that we are dealing with a trypanosome, and knowingthat the trypanosome of nagana is carried in South Africa by a tsetsefly (G. morsitans), naturally we will suspect that the trypanosome ofthis disease is also carried by a tsetse fly. Now on the lake shorenear Entebbe a tsetse fly (, Fig. 6) is found in large may be the insect carrier we are in search of. The PrimeMinister and Regents, on being consulted, recognised the fly as oneknown to the Muganda as the kivu, and said it was found along theshores of the lake. They were supplied with several dozen nets,killing bottles and boxes, and on their part promised to have thedistribution of this fly and of sleeping sickness worked out. Thebishops, missionaries, and Government officials also promised theirassistance. During June, July and August of last year some 460 collectionsof biting flies were sent in from all parts of Uganda. As each Fig. 6.—Glossina palpalis, Rob. Desv., <J. (x 3f)*. * These two illustrations are taken from A Monograph of the Tsetse flies, byErnest Edward Austen, British Museum (Natural History;, Cromwell Road,S.\V. 1904.] on Sleeping Sickness in Uganda. 517 package came in it was examined for tsetse flies. If the parcelcontained one or more tsetse flies, a red disc was stuck on a largemap over the locality from which the flies had been sent. If, on theother hand, no tsetse flies were found, a blue disc was fixed overthe spot. In the same way and at the same time a second map was pre-pared, to show the distribution of sleeping sickness. That is to say,if the note accompanying the collection of flies stated that sleepingsickness was prevalent, then a red disc was placed over the locality,and if, on the contrary, no cases of sleeping sickness were reported,a blue disc was affixed. It is evident that two maps so prepa
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Keywords: ., bookauthorroyalins, bookcentury1800, bookdecade1850, bookyear1851
