598 ORTMANN— NAYADES OF 



24. Mcdionidus plateolus 31. L. fasciola 



25. Eurynia fabalis 32. Truncilla triquetra 



26. E. nebulosa 2<2>- T. interrupta 



27. E. vanuxemensis 34. T. haysiana 



28. E. recta 35. T. lewisi 



29. Lampsilis ovata | 36. T. torulosa gubernaculum 



30. L. ovata ventricosaX 37. T. capsccformis 



Pozi'ell River, Green's Ford, Union Co., Tenn. 



Walker coll. (Adams, Aug. 23, '99). 



(Adams says: Campbell Co., Walker: Claiborne Co.; the locality 

 is, where the three counties meet, and the ford is, according to map 

 — sheet Maynardville — rather in Union Co.) 



1. Fusconaia pilaris bursa-pastoris 10. Strophitus cdcntulus 



2. F. pilaris lesueuriana 11. Ellipsaria fasciolaris 



3. F. cuneolus 12. E. subtenta 



4. F. barnesiana 13. To.volastna lividtim 



5. Amblcma plicata costata 14. Mcdionidus plateolus 



6. Qiiadrula cylindrica 15. Eurynia fabalis 



7. EUiptio niger 16. E. nebulosa 



8. E. dilatatus 17. Truncilla interrupta 



9. Lasmigona costata 18. T. capsccformis 



Powell River, Pozi'ell River P. 0., Campbell Co., Tenn. 

 Walker coll. (Adams, Aug. 23, '99). 



1. Amblcma plicata costata 5. Eurynia fabalis 



2. EUiptio dilatatus 6. Truncilla triquetra 



3. Lasmigona costata 7. T. capsccformis 



4. Ellipsaria subtenta 



Clinch Drainage. 

 North Fork Clinch River, Tasezvell, Tacezvell Co., Va. 

 Walker coll. (Adams). 

 I. Alasmidonta minor 2. Eurynia nebulosa 



Clinch River, Tacezvell, Ta::ezuell Co., Va. 

 Carn. Mus. (Ortmann, Sept. 19, '12). 

 I. Fusconaia barnesiana bigbycnsis 2. Lasmigona badia 



