TABLE OF CONTENTS 



Introduction 7 



General Remarks on Recent Observations 8 



Myxosporidia Recorded in the Present Paper (List I) 9 



Distribution of Myxosporidia 13 



A. Geographical Distribution 13 



B. Distribution of Myxosporidia in Animals 25 



C. Distribution of Myxosporidia in the Organs of the Host 37 



D. The Efifect of Environment on the Organal Distribution of Mj^osporidia in 



Hosts 44 



The Spore 47 



Definition of Terms Used for Descriptions 50 



Classification of Myxosporidia 52 



Descriptions of Genera and Species 60 



Suborder Eurysporea '. 60 



Family Ceratomyxidae 60 



Genus Leptotheca 60 



Genus Ceratomyxa 65 



Genus Myxoproteus 81 



Genus Wardia 82 



Genus Mitraspora 84 



Suborder Sphaerosporea 86 



Family Chloromyxidae 87 



Genus Chloromyxum 87 



Family Sphaerosporidae 99 



Genus Sphaerospora 100 



Genus Sinuolinea 104 



Suborder Platysporea 106 



Family Myxidiidae 106 



Genus Myxidium 107 



Genus Sphaeromyxa 118 



Genus Zschokkella 122 



Family Myxosomatidae 123 



Genus Myxosoma 123 



Genus Lentospora 125 



Family Myicobolidae 128 



Genus Myxobolus ^>!-^^. 128 



Genus Henneguya 158 



Genus Hoferellus 173 



Myxosporidia Genera et Species Incertae 174 



