Report on Dr P. N. Gerrard's preparations accompanying the foregoing communication

Abstract

The parasite referred to in the preceding paper was found by Dr Gerrard in the polymorphonuclear leucocytes of a dog. As is stated by Dr Gerrard, the parasite is evidently similar to that discovered by Bentley and described by him, and afterwards by James, as the Leucocytozoon canis. Dr Gerrard sent some films, stained by him by Leishman's method, to Sir Patrick Manson, and they were handed on to me for description and identification. These films had faded in transit, they were therefore decolorised and restained by various methods. All the staining reactions mentioned in this description refer to these old films.