THE TEEMATODE PARASITES OF FISHES. 471 



Genus Saccocoelium Looss. 



26. S. obesum Looss. 



Family AZYGIIDAE. 

 Genus Ptychogonimus Liihe. 



27. P. megastomus (Rud.). 



Family HEMIURIDAE. 



Sub-Family Hemiurinae. 

 Genus Hemiurus Paid. 



28. H. communis Odhner. 



29. H. ocreatus (Rud.). 



Sub-Family Dinurinae. 

 Genus Lecithocladium Liihe. 



30. L. excismn (Rud.). 



Sub-Family Sterrhurinae. 



Genus Lecithochirium Liihe. 



3L L. rufoviride (Rud.). 



Genus Synaptobothrium (v. Linstow). 



32. S. caudiporum (Rud.). 



Sub-Family Lecithasterinae. 

 Genus Lecithaster Liihe. 



33. L. gihbosus (Rud.). 



Sub-Family Syncoeliinae. 

 Genus Derogenes Liihe. 



34. D. varicus (Miiller). 



Genus Hemipera XicoU. 



35. H. ovocaudata NieoU. 



Genus Derogenoides Xicoll. 



36. D. ovacutus Nicoll. 



Family (BUNODERIDAE). 

 Genus Bunodera Eailliet. 



37. B. nodulosa (Zeder). 



