612 



ORTMANN— NAYADES OF 



South Fork Holston, Bluff City, Sullivan Co., Tenn. 

 Carn. Mus. (Ortmann, July lo, '13). 



1. Fusconaia pilaris bursa-pastoris'\ 



2. F. pilaris lesueuriana ( 



3. F. barnesiana 



4. F. barnesiana bibgyensis 



5. Quadrula intermedia 



6. Lexingtonia dolabelloides con- 



radi 



7. Plcurobenia oviforme argenteum 



8. Elliptio dilatatus 



9. Lasmigona badia 



10. Lasmigona costata 



11. Alasmidonta marginata 



12. Strophitus edentulus 



13. Ellipsaria fasciolaris 



14. E. stibtenta (seen) 



15. Nephronaias pectorosa 



16. Eurynia nebulosa 



17. E. vanuxemcnsis 



18. Lampsilis ovata ventricosa 



19. L. fasciola 



Beaver Creek, Bristol, Washington Co., Va. 

 Carn. jNIus. (Ortmann, July 6, '13). 

 I. Alasmidonta minor 2. Mcdionidns plateolus 



South Fork Holston River, Pactolus, Sullivan Co., Tenn. 



Carn. AIus. (Ortmann, May 20, '14). 



1. Fusconaia pilaris bursa-pastoris^ 15. 



2. F. pilaris lesueuriana ^ 16. 



3. F. barnesiana 17. 



4. Amblema plicata costata 18. 



5. Quadrula intermedia 19. 



6. Q. cylindrica strigillata 20. 



7. Rotundaria tubcrculata 21. 



8. Pleurobema oviforme 22. 



9. P. oviforme argenteum 23. 



10. Elliptio niger 24. 



11. E. dilatatus 25. 



12. Lasmigona costata 26. 



13. Alasmidonta marginata 27. 



14. Pegias fabula 28. 



Strophitus edentulus 



Ellipsaria fasciolaris 



E. subtenta 



Nephronaias ligamcntina gibba 



N. pectorosa 



Mcdionidus plateolus 



Eurynia fabalis 



Lampsilis ovata ventricosa 



L. fasciola 



Truncilla triquctra 



T. lenior > 



T. haysiana 



T. torulosa gubernaculum 



T. capsccformis 



Watauga River, Watauga, Carter Co., Term. 



disaccording to Pilsbry & Rhoads ; f^Carn. ]\rus. (Ortmann, 

 July 14, '13). 



fi. Fusconaia pilaris bnrsa-pastoris 

 tt2. F. barnesiana bigbycnsis 

 t3. Pleurobema oviforme argenteum 

 t4. Lasmigona badia 



XS- Nephronaias pectorosa 

 t6. Eurynia nebulosa 

 t7. E. vanuxentcnsis 

 t8. La}npsilis fasciola 



