606 



ORTMANN— NAYADES OF 



31. P. fragilis 



32. Proptcra alata 

 2,2,. Eurynia recta 



34. Lampsilis ovata 



35. L. ovata ventricosa 



36. L. fasciola 



37. Truncilla triquetra 



38. T. interrupta 



39. T. haysiana 



40. T. propinqua 



41. T. capscrformis 



Tenn. 



Clinch River, Sokcay, Knox Co. 



Carn. AIus. (Ortmann, Sept. 12, '14). 



Elliptio dilatatus 



Strophitus edentulus 



Obliquaria refle.va 



Cyprogenia stegaria 



Dromus dramas caperatus 



Nephronaias ligamcntina gibba 



Amygdalonaias truncata 



Paraptera fragilis (seen) 



Pro pt era alata 



Eurynia nebulosa 



E. recta 



Lampsilis ovata 



L. ovata ventricosa\ 



L. orbiculata 



Truncilla triquetra 



T. haysiana 



T. capscrformis 



Clinch River, Pattons Ferry, Roane Co., Tenn. 

 (According to Pilsbry & Rhoads.) 



1. Fusconaia pilaris 



2. F. cor 



3. F. barnesiana tuniescens 



4. Aniblcma plicata costata 



5. Quadrula pustulosa 



6. Plethobasus coopcrianus 



7. Pleurobema obliquum rubrum 



8. Elliptio niger 



9. Elliptio dilatatus 



10. Alasmidonta marginata 



11. Obliquaria refiexa 



12. Nephronaias ligamentina gibba 



13. Plagiola lineolata 



14. Eurynia vanuxcmensis 



15. Lampsilis fasciola 



16. Truncilla propinqua 



(Small tributaries of Clinch.) 



Panther Creek, Hancock Co., Tenn. (near Sneedville, also spelled 

 Painter Creek). 

 Walker coll. 

 I. Strophitus edentulus 



