He creates the parasites that are vamps, which then kill humans.
Among recent advances having medical import in our knowledge of the Nematodes, the chief are those dealing with the parasites of the blood.
Three distinct parasites, corresponding with the tertian,.
To begin with, 1 Though not relating exactly to our present theme, it would be improper to dismiss Nitzsch's name without reference to his extraordinary labours in investigating the insect and other external parasites of birds, a subject which as regards British species was subsequently elaborated by Denny in his Monographia Anoplurorum Britanniae (1842) and in his list of the specimens of British Anoplura in the collection of the British Museum.
All the species are usually infested with Cercariae and Rediae, the larval forms of Trematode parasites of vertebrates.
