UPPER TENNESSEE DRAINAGE. 



611 



Middle Fork Holstoii River, Chilhoivie, Smyth Co., Va. 

 Carn. Mus. (Ortmann, Alay 20, '13). 



1. Fusconaia barnesiana bighycnsis 



2. Pleurobema oviforme argentetim 



3. ElHptio dilatatus 



4. Lasmigona costata 



5. Alasmidonta minor 



6. A. marginata 



7. Ellipsaria subtenta 



8. Medionidus plateohis 



9. Eurynia nebulosa 



10. E. vanuxcmcnsis 



11. Lampsilis fasctola 



12. TriinciUa walkcri 



Laurel Creek, Mock's Mill {near Vestal P. 0.), JVashington Co., Va. 

 Walker coll. (Adams, Aug. 26, '01). 

 I. Fusconaia barnesiana bigbycnsis 



Soiitli Fork Holston River, Barron, Washington Co., Va. 



* = Walker coll. (Adams, Aug. 14, '01) ; f^Carn. AIus. 

 mami, May 19, '13). 



(Ort- 



fi. Fusconaia barnesiana bigbycnsis 



f2. Pleurobema oviforme argenteum 



*3. ElHptio dilatatus 



*4. Lasmigona costata 



ts. Alasmidonta minor 



*6. A. marginata 



*7. Ellipsaria subtenta 



*8. Nephronaias pectorosa 

 *t9. Medionidus plateolus 

 *tio. Eurynia nebulosa 

 *tii. E. vanuxemcnsis 

 *ti2. Lampsilis fasciola 

 *ti3. Truncilla walkeri 



South Fork Holston River, Fish Dam, Sullivan Co., Tenn. 

 Walker coll. (Adams, Sept. 6, oi)-. 



1. Lexingtonia dolabelloidcs con- 



radi 



2. ElHptio dilatatus 



3. Nephronaias pectorosa 



4. Eurynia nebulosa 



5. E. vanuxemcnsis 



6. Lampsilis fasciola 



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

 Carn. Mus. (Ortmann, July 9, '13). 



1. Fusconaia barnesiana bigbycnsis 



2. Lexingtonia dolabelloidcs con- 



radi 



3. Pleurobema oviforme ] 



4. P. oviforme argenteum C 



5. ElHptio dilatatus 



5. Lasmigona costata 



7. Alasmidonta marginata 



8. Ellipsaria fasciolaris 



9. Ellipsaria subtenta 



10. Nephronaias pectorosa 



11. Eurynia nebulosa 



12. E. vanuxemcnsis 



13. Lampsilis ovata ventricosa 



14. L. fasciola 



15. Truncilla walkcri 



