OF THE NORFOLK BROADS. 
87 
Genus II. Atax. 
20. A. bonzi. Clap. Parasitic in Fresh Water Mussel. 
Potter Heigham. 
.21. A. crassipes, Mull. Common. Free swimmer. 
Wroxham, Potter Heigham, Sutton. Two 
varieties ; both found. 
.22. A. figuralis, Koch. Rare. Potter Heigham. 
.23. A. intermedius, Koen. Rare. Potter Heigham. 
,24. A. YPSiLOPHORUS, Bonz. Parasitic in Fresh Water 
Mussel. Potter Heigham. 
Genus III. Atractides. 
.25. A. spinipes, Koch. Rare. Potter Heigham. 
Genus IV. Brachypoda. 
.26. B. versicolor, Mull. A very small, brightly coloured 
Mite. Very common. Potter Heigham, 
Ormesby, Wroxham, Sutton. 
Genus V. Diplodontus. 
.'2 7. D. despiciens, Mull. Common, everywhere on the 
Broads. Bright red. 
Genus VI. Eulais. 
28. E. georgei, Soar. Potter Heigham, Hickling, Wroxham, 
Burgh St. Margaret. 
? 2 (). E. mulleri, Koen. Wroxham. 
30. E. projectus, Soar. Catfield. 
31. E. soari, Pier. Catfield. 
Two other species of this genus not yet identified. 
Genus VII. Frontipoda. 
32. F. musculus, Mull. Potter Heigham, Sutton, Two 
varieties of this Mite, red and green, both 
found on the Broads. 
Genus VIII. Hydrachna. 
33. H. bivirgulata, Pier. Rare. First record for Britain. 
Wroxham, April, 1904. 
34. H. globosa, Geer. Common. Catfield, Wroxham, 
Ingham, Horsey. 
