ClipArt ETC
"Life history of Monocystis. 1. Young Gregarine lying within a sperm mother cell of earthworm. 2. Association of two Gregarines within a cyst, ready to form gametes. 3. Numerous spore-cases (sp.c., pseudonavicellae) within a cyst. 4. A spore-case with eight spores (sp.) and a residual core (rb)." -Thomson, 1916

Monocystis

"Life history of Monocystis. 1. Young Gregarine lying within a sperm mother cell of earthworm. 2. Association…