1. Each white spot is an encysted parasite.

2. Certain forbidden meats harbored encysted parasites such as those causing trichinosis.

3. The xiphidio-cercaria, monostomous, Anenterous in type, is liberated in water and actively penetrates a Crustacea Gammarus pulex where it encysts

4. Encysted Aphelidium zoospores penetrate the cell wall of the host, Scenedesmus armatus, and develop an endophytic, amoeboid protoplast which phagocytizes the host cytoplasm.

5. Amoebae typically grow and divide; this pattern of vegetative growth may or may not include encysted states, flagellated forms, or a transition from a sexual to an asexual phase of growth