----------------+--------------------+------------------+----------------- _Classes of | _Systematic Name | _Orders of | _A name of a the Protista | of the Classes_. | Families of the | Genus Kingdom._ | | Classes._ | as an example._ ----------------+--------------------+------------------+----------------- { 1. Gymnomonera Protogenes 1. MONERS Monera { 2. Lepomonera Protomyxa { 1. Gymnamœbæ Amœba 2. PROTOPLASTS Amœboida { 2. Leptamœbæ Arcella { 3. Gregarinæ Monocystis { 1. Nudiflagellata Euglena 3. WHIP-SWIMMERS Flagellata { 2. Cilioflagellata Peridinium 4. FLIMMER-BALLS Catallacta 1. Catallacta Magosphæra 5. TRAM-WEAVERS Labyrinthuleæ 1. Labyrinthuleæ Labyrinthula { 1. Striata Navicula 6. FLINT-CELLS Diatomea { 2. Vittata Tabellaria { 3. Areolata Coscinodiscus { 1. Physareæ Æthalium 7. SLIME-MOULDS Myxomycetes { 2. Stemoniteæ Stemonitis { 3. Trichiaceæ Arcyria { 4. Lycogaleæ Reticularia { I. Acyttaria { 1. Monothalamia Gromia { { 2. Polythalamia Nummulina 8. RAY-STREAMERS { OR RHIZOPODS. { II. Heliozoa 1. Heliozoa Actinosphærium (Root-feet) { { { 1. Monocyttaria Cyrtidosphæra { III. Radiolaria { 2. Polycyttaria Collosphæra [Illustration: FIG. 8.—Protamœba primitiva, a fresh-water Moneron, much enlarged. _A._ The entire Moneron with its form-changing processes. _B._ It begins to divide itself into two halves. _C._ The division of the two halves is completed, and each now represents an independent individual.]