78 HANDBOOK OF PROTOZOOLOGY 



Family 3 Tracheliidae 352 



Genus Trachelius 352 



Dileptus 352 



Lionotus 353 



Loxodes 353 



Loxophyllum 354 



Amphileptus 354 



Family 4 Chilodontidae 354 



Genus Chilodon 354 



Nassula 355 



Opisthodon 355 



Orthodon 355 



Dysteria 357 



Phascolodon 357 



Scaphidiodon 357 



Trochilia 357 



Aegyria 357 



Suborder 3 Trichostomina 358 



Family 1 Urocentridae 358 



Genus Urocentrum 358 



Family 2 Ophryoglenidae 358 



Genus Ophryoglena 359 



Cyrtolophosis 359 



Loxocephalus 359 



Uronema 359 



Dallasia 359 



Frontonia 360 



Glaucoma 360 



Colpoda 361 



Colpidium 361 



Lambornella 361 



Entorhipidium 362 



Family 3 Microthoracidae 363 



Genus Microthorax 363 



Cinetochilum 363 



Family 4 Parameciidae 363 



Genus Paramecium 363 



Family 5 Pleuronematidae 366 



Genus Pleuronema 366 



Cyclidium 367 



Lembadion 367 



Lembus 368 



Pleurocoptes 368 



Calyptotricha 368 



Family 6 Isotrichidae 368 



