Herpetom'on as

[G. her pet on, a reptile, monas, unit (one of the Monadidee).] genus of flagellated infusorians some species of which are blood parasites and believed to be pathogenic. The distinction between Herpetomonas and Leishmania is not yet clearly drawn. H. donova'ni, Leishmania donovani, the pathogenic protozoan parasite of kala-azar, transmitted from man to man through a bedbug (Cimex rotund at us) H. infan'tum, the supposed pathogenic organism of infantile splenomegaly. H. mus'cse domes'ticte, the type species of H., found in the commori house-fly. H. sarcoph'agse, a species found in the flesh-fly, Sarcophaga ham or rho i dalis. H. trop'ica, the supposed parasite of oriental sore.