1. Malarial parasites destroy more than one red corpuscle, migrating to another as soon as one is destroyed.

2. Pigmented segmenting parasites attached to red corpuscles whose hemoglobin is intact or nearly so are prima facie evidence of migration.

3. Infected corpuscles in tertian infections may be enlarged as a result of the large size of the attached parasite as well as by parasitic action.

4. The young parasites resulting from the segmenting bodies attached to healthy red corpuscles usually attach themselves independently to the infected corpuscle and remain there until the corpuscle is destroyed.

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