Plate 2 



Harpidium Intus, new species 



Fio. 1. Median .section of medium-sized specimen sliowing septa of pedicle 

 and bracliial valves and spondylium. 

 2,3. Side and dorsal views of a medium-sized individual. 

 4,5,6. Ventral, side, and dorsal views of the largest well-preserved specimen 

 found. 



Earindium insignia, new species 



7. Side view of the same Individual as in plate 1, figure 6, showing the 

 great disproportion in size between the brachial and pedicle valves. 



Harpidium rotundus, new species 



8,9. Side and dorsal views of an adult individual. 



7 

 O 



