TABLE CF CONTENTS 



Page 



MESOZOA 1 



PORIFERA 1 



COELENTERATA 1 



Hydrozoa 1 



Hydroida 1 



Tubulario-Anthomedusae 1 



Campanulario-Leptomedusae 2 



Limnomedusae 3 



Trachylina 3 



Tracomedusae 3 



Narcomedusae 3 



Scyphoiaedusae 3 



Senaeostornae 3 



PLATTHEDaNTHEii ....'. 3 



Cestoda 3 



Trematoda 3 



Digenea 3 



Monogenea 5 



Turbellajria 5 



Acoela 5 



Ehabdocoelida 5 



ITotandxopora 5 



Opisthandxopora 6 



Lecithophorp. 6 



Dalyellioidea £• 



Typhloplanoida 7 



Kalyp to rhynchia 8 



Alloecoela 9 



Tricladida 9 



Polycladida 10 



HEMERTINI 11 



Dimyaria 11 



Trimyaria 11 



TR0CHELMI1TTHES 11 



Rotifera 11 



AMELIHA 13 



Archiannelida 13 



Chaetopoda 13 



Ollgochaeta 13 



Polychaeta 15 



Hirudinea 17 



Echiuroidea 18 



Sinunculoidea 13 



Chaetognatha 18 



Mollusca 19 



Gastropoda 19 



Prosotiranchia 19 



Opisthobranchla 22 



Pulnonata 23 



Basommatophora 23 



.Ajnphibolidae 23 



lymnaeidae 23 



Physidae 24 



(adx) 



