614 



ORTMANN— NAYADES OF 



Holston River, Holston Station, Grainger Co., Tcnn. 



* = Walker coll. (Adams); t = Carn. ]\Iiis. (Ortmann, Sept. 

 15, '13). 



fi. Fuscouaia pilaris lesucuriana *t20. 



t2. F. cuneohis fai. 



t3. F. harnesiana ^22. 



*4. Rotundaria tuber ciilata (seen) 123. 



t5. Plethobatus cyphyns t24. 



t6. Pleurobenia obliquum "| t2S. 



t7. P. obliquum cordaium |. 1^6. 



t8. P. obliquum rubrum J ^2y. 



■\g. P. oviforme t^S. 



*io. Elliptio niger t^Q. 



fii. E. dilatatus 730. 



ti2. Lasniigona costata t3i. 



ti3. Alasmidonta marginata ^32. 



ti4. Strophitus edcniulus t33- 



ti5. Ellipsaria fasciolaris t34: 



ti6. £. subtenta ^35- 



*ti7- Dromus dramas caperatus t36. 



ti8. Obovaria subrotunda levigata t37. 

 fiQ. Nephronaias ligamentina gibba 



Nephronaias pectorosa 

 Paraptera leptodon 

 P. fragilis 

 Proptcra alata 

 Medionidus plateolus 

 Eurynia recta 

 Lampsilis ovata 

 L. ovata ventricosa 

 L. fasciola 

 Truncilla triquetra 

 T. arcaformis 

 T. interrupta 

 T. haysiana 

 T. stewardsoni 

 T. Iczvisi 

 T. turgidula 

 T. florentina 

 T. capsceformis 



Holston Riz'er, Noeton, Grainger Co., Tenn. 



Carn. AIus. (Ortmann, Alay 22, '14), 



Lasmigona costata 



Strophitus edentulus 



Ellipsaria fasciolaris 



E. subtenta 



Dromus dramas -caperatus 



Nephronaias ligamentina gibba 



Paraptera leptodon 



P. fragilis 



Proptcra alata 



Eurynia fabalis 



E. ncbulosa 



E. recta 



Lampsilis ovata ventricosa 



Truncilla arcccformis 



T. haysiana 



T. turgidula 



T. capsccforniis 



