Chapter Page 



Order 3. Phytomyxida 177 



Class 3. Rhizopoda 179 



Order 1. Monosomatia 183 



Order 2. Miliolidea 185 



Order 3. Foraminifera . . . 185 



Order 4. Globigerinidea 187 



Order 5. Nummulidnidea 188 



Class 4. Heliozoa 189 



Order 1. Radioflagellata 190 



Order 2. Radiolaria 194 



Order 3. Acantharia 195 



Order 4. Monopylaria 198 



Orders. Phaeosphaeria 198 



Class 5. Sarkodina 200 



Order 1. Nuda 201 



Order 2. Lampramoebae 205 



XI. Phylum Fungilli 206 



Class 1. Sporozoa 207 



Order 1. Oligosporea 209 



Order 2. Polysporea 211 



Order 3. Gymnosporidiida 211 



Order 4. Dolichocystida 214 



Orders. Schizogregarinida 215 



Order 6. Monocystidea 215 



Order 7. Polycystidea 216 



Order 8. Haplosporidiidea 218 



Class 2. Neosporidia 219 



Order 1. Phaenocystes 219 



Order 2. Actinomyxida 221 



Order 3. Cryptocystes 222 



XII. Phylum Ciliophora 223 



Class 1. Infusoria 228 



Order 1. Opalinalea 228 



Order 2. Holotricha 229 



Order 3. Heterotricha 230 



Order 4. Hypotricha 233 



Order 5. Stomatoda 233 



Class 2. Tentaculifera 235 



Order Suctoria 235 



List of Nomenclatural Novelties 237 



Bibliography 238 



Index 271 



VII 



