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PREFACE

made on a study of only 250, or even of 100, leucocytes. The safest rule to adopt is for the observer always to state the total number of cells examined by him, and never to content himself with giving the mere percentage.

Illustrative cases are a useful feature of Mr Fothergill's tract; and the whole work will, I think, be of assistance and interest to medical men in the Tropics.