First, Second and Third Reports of the Wellcome Tropical Research Laboratories at the Gordon Memorial College, Khartoum

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Department of Educ., Soudan Government, 1904 - Tropical medicine
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Page 7 - To aid experimental investigations in poisoning cases by the detection and experimental determination of toxic agents, particularly the obscure potent substances employed by the natives. d. To carry out such chemical and bacteriological tests in connection with water, food stuffs, and health and sanitary matters as may be found desirable. e. To undertake the testing and assaying of agricultural, mineral and other substances of practical interest in the industrial development of the Sudan. The following...
Page 64 - Wings with brown scales; the first submarginal cell longer and narrower than the second posterior cell, its stem...
Page 68 - ... its stem as long as the cell ; stem of the second posterior as long as the cell ; mid cross-vein longer than the supernumerary, posterior about twice its own length distant from the mid.
Page 75 - Wings rather short; first sub-marginal cell a little longer and narrower than the second posterior cell, its base nearer the base of the wing than that of the second posterior...
Page 21 - At an early period the steamers were found to be largely infected, especially with the larvae of Stegomyia fasciata, and to a less extent by those of Culex fatigans. Anophelines, either as larvae or imagines, have never been met with ; but up-country, as will be noted later, the adults are frequently to be seen on board, and may remain as passengers for a considerable period. At first it was decided to use lime for the steamer bilges, but this was said, erroneously I believe, to act upon iron and...
Page 20 - recommends refined petroleum or eucalyptus oil for the " training " of well waters, but, after careful enquiry it was deemed better to employ crude petroleum, not only because it was cheaper, but because comparatively little of the well water is used for drinking purposes, the native portion of the population preferring to use water direct from the Blue Nile. Latterly, as a considerable quantity of the refined petroleum had been stocked, a mixture of crude and refined has been employed. The former...
Page 28 - ... and pupae would have reached maturity. Nor does this represent in any way the eggs which were checked in their development. Again, say half of the above were females capable of laying from 200 to 400 eggs apiece, a moderate computation, and it will be apparent that the ranks of the winged host have undergone enormous depletion.
Page 20 - ... touch it, and thus there was little risk of any poisoning from water so treated. As a matter of fact, no such accident has been reported, and the plan adopted was as follows : — The men constituting the brigade began every morning to visit systematically all the water collections in the town, beginning on the river front and working backwards day by day till the whole town had been explored. They were provided with wide-mouthed bottles for taking samples, and instructed how best to proceed....
Page 66 - CULICID^ posterior cell nearly as long as the cell; supernumerary and mid cross-veins in one line, posterior cross-vein about its own length distant behind the mid. Halteres with pale stem and fuscous knob. Legs brown with very narrow apical yellow bands. Length.
Page 9 - Museum, with which the laboratories are associated. The whole department is situated on the second floor in the east wing of the Gordon College. The rooms, though they unfortunately face the east, are large and commodious, well lighted, and supplied with water from a special well, and with gas generated from an acetylene plant. The woodwork and fittings are executed in English oak and Indian teak, which had been previously baked at a high temperature for several months to season them suitably for...

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