Mosquitos and Malaria: Malaria Parasites in Dew

Abstract

Taking, for example, the phthisis mortality in the several counties of England and Wales as published in the reports of the Registrar-General,-in comrparison with the average rate in the provinces (that is, England-and Wales less London), phtllisis showed in i89X-97 excessive mortality among both males and females in London and in the counties of Hampshire, Devonshire, Lancashire. the West Riding of Yorkshire and Northumberland, and also in North and South Wales. In addition to ,these there was excess in the phthisis rate among males only in Sussex, Cornwall, and Warwickshire; and among females only in Suffolk, Lin-colnshire, Cheshire, Durham, and Cumberland. Of the above-mentioned counties showing phthisis mortality in excess of the average amongst both sexes in 1891-97 London and Lancashire had also experienced mor-'tality from phthisis in excess of the average in each of the decennial periods ending with the years i88o and 189g.