Lewisi, for example, being met with in a considerable percentage of sewer-rats throughout the world.
Lewisi 'in a' louse (Haematopinus) is, in its main features, similar.
A, Trypanosoma lewisi, after Bradf.
Both Schaudinn (in the case of Trypanomorpha) and Prowazek (in the case of Trypanosoma lewisi and T.
The following examples have been investigated: Trypanosoma lewisi (also, but much less completely, T.
Lewisi (Kent)," Ann.
Lewisi (Kent), the well-known natural Trypanosome of rats (figs.