SCHEME OF CLASSIFICATION 



CESTODA (pp. 3, 74) . 



MESOZOA (pp. 3, 92) . 



MESOZOA 



Family. 



(Cest<Harjidae = Monozoa(p. 91). 

 Bothriocephalidae (p. 91). 

 Tetrarhynchidae (p. 91). 

 Tetraphyllidae (p. 91). 

 Taeuiidae (p. 91). 



/ Dicyemidae (p. 93) 

 ' \. Orthonectida (p. 94). 



NEMERTINEA (p. 99) 



HOPLONEMERTEA (p. 110) = Metanemertini (p. 112). 

 SCHIZONEMERTEA (p. 111)= Heteronemertini (ex parte] (p. 113). 



[ Protonemertini (p. 112). 

 PALAEONEMERTEA (p. 111)=-] + Mesonemertini (p. 112). 



^ + Heteronemertini (expartc) (p. 113). 



NEMATHELMINTHES (p. 123) 



Ascaridae (p. 138). 

 Strongylidae (p. 142). 

 Trichotrachelidae (p. 144). 

 Filariidae (p. 147). 

 Mermithidae (p. 150). 

 Anguillulidae (p. 154). 

 Enoplidae (p. 157). 

 Chaetosomatidae (p. 158). 

 ^ Desmoscolecidae (p. 159). 

 . Gordiidae (p. 164). 



{Echinorhynchidae (p. 182) 

 Gigantorhynchidae (p. 183). 

 Neorhynchidae (p. 184). 

 Arhynchidae (p. 185). 



NEMATODA (pp. 123, 124) 



NEMATOMORPHA (pp. 123, 164) 

 ACANTHOCEPHALA (pp. 123, 174) 



CHAETOGNATHA (p. 186) 



ROTIFERA (p. 197) 



FLOSCULARIACEAE (p. 220) . 



MELICERTACEAE (p. 221) . 



BDELLOIDA (p. 222) . 

 ASPLANCHNACEAE (p. 222) . 

 SCIRTOPODA (p. 223 



PLOIMA (p. 223) 



SEISONACEAE (p. 225) 



Illoricata (p. 223) 



Loricate (p. 224) 



/ Flosculariidae (p. 221). 

 1 Apsilidae (p. 221). 

 / Melicertidae (p. 221). 

 1 Trochosphaendae (p. 221). 



Philodinidae (p. 222). 



Asplanchnidae (p. 223). 



Pedalionidae (p. 223). 



Microcodomdae (p. 224). 



Rhinopidae (p. 224). 



Hydatinidae (p. 224). 



Synchaetidae (p. 224). 



Notommatidae (p. 224). 



Drilophagidae (p. 224). 



Triarthridae (p. 224). 



Rattulidae (p. 225). 



Dinocharididae (p. 225). 



Salpinidae (p. 225). 



Euchlauididae (p. 225). 



Cathypnidae (p. 225). 



Coluridae (p. 225). 



Pterodinidae (p. 225). 



13rachionidae (p. 225). 



Anuraeidae (p. 225). 



Seisonidae (p. 226). 



