Big Fleas Have Little Fleas; Or, Who's who Among the Protozoa

amebas amebiasis amebic dysentery Amoeba proteus animalcule appear Arcella asexual balantidia become bird malaria bite bladder blood-inhabiting protozoa body bugs cattle cecum cells cent Chagas disease ciliates coccidia containing crocodiles cycle cysts diet digestive discovered drug dysentery dysentery amebas Endamoeba Euglena examined fever Filipino fish flagellates flea free-living frog germ giardia flagellate giardias hence host human malaria infected inhabitants inoculated intestinal protozoa investigators jungle kala-azar known laboratory large numbers larvae leishmania lower animals malaria malaria organisms malaria parasites method microscope monkeys mosquitoes mouth nuclei occur oocysts opalinids paramecia Paramecium parasites parasitic protozoa pathogenic patient plants problem protoplasm protozoa protozoa that live protozoan parasites protozoologists rats red blood corpuscles regions reproduction sexual sleeping sickness small intestine species of protozoa spores Sporozoa sporozoites starch stomach suctoria symptoms termite tion tissue transmission transmitted trichomonads tropical trypanosomes tsetse flies usually vacuole volvox wild