602 



ORTMANN— NAYADES OF 



Clinch River, Horton Ford, Hancock Co., Tenn. 

 Walker coll. (Adams, Aug. 14, '99). 



1. Fusconaia pilaris bursa-pastoris 



2. F. cuneolus 



3. Rotundaria tiiberculata 



4. Lasmigona costata 



5. Nephronaias ligmncntina gibba 



6. N. pectorosa 



7. Truncilla triquetra 



8. T. capsccformis 



Clinch River, Kyle Ford, Hancock Co., Tenn. 

 Walker coll. 



1. Fusconaia pilaris bursa-pastoris 



2. F. pilaris lesucuriana 



3. F. barnesiana 



4. Pleurobema oviformc 



5. T. oviformc argenteum\ 



6. Elliptio dilatatus 



7. Ellipsaria subtcnta 



8. Medionidus platcolns 



9. Truncilla torulosa gubernaculuni 



Clinch River, SneedvUle, Hancock Co. Tenn. ("between Kyle Ford 

 and Sneedville "). 



Walker coll. (Adams, Aug. 16, '99). 



1. Fusconaia pilaris bursa-pastoris 



2. F. cor analoga 



3. Plcthobasus cyphyus 



4. Elliptio dilatatus 



5. Ellipsaria subtenta 



Clinch River, Oakman, Grainger Co., Tenn. 



Carn. Mus. (Ortmann, ]\Iay 25, '15; Sept. 14, '15). 



Fusconaia pilaris bursa-pastoris 

 F. cuneolus 



Amblema plicata costata 

 Rotundaria tuberculata 

 Plethobasus cyphyus 

 Pleurobema obliquum rubrum 

 Elliptio niger 

 E. dilatatus 

 Lastena lata 

 Lasmigona costata 

 Alasmidonta marginata 

 Strophitus edcntulus 

 Ellipsaria fasciolaris 

 Cyprogenia stegaria 

 Nephronaias ligamcntina gibba 



16. Nephronaias pectorosa 

 ly. Amygdalonaias truncata 



18. Proptera alata 



19. Medionidus plateolus 



20. Eurynia ncbulosa 



21. E. vanuxeinensis 



22. E. recta 



23. Lampsilis ovafa ) 



24. L. ovata ventricosai 



25. L. fasciola 



26. Truncilla triquetra 



27. T. arcceformis 



28. T. interrupta 



29. T. torulosa gubernaculum 



30. T. capsccformis 



