UPPER TENNESSEE DRAINAGE. 



617 



Holston River, Boyd Island, Knoxville, Knox Co., Tenn. 



According to Pilsbry & Rhoads (" i mile above junction with 

 French Broad "). 



1. Fusconaia pilaris 



2. Quadrula pustulosa 



3. Q. cylindrica 



4. Rotimdaria tuberculata 



5. Pleurobema obliquum 



6. P. obliquum rubrum 



7. P. oviforme holstonense 



8. Elliptio niger 



9. E. dilatatus 



10. Cyprogenia stegaria 



11. Dromtis dramas 



12. Ncphronaias ligamcntina gibba 



13. Par apt era fragilis 



14. Eurynia recta 



15. Lampsilis ovata 



16. Truncilla arcccforniis 



17. T. propinqua 



(Small Tributaries of Holston Proper.) 

 Big Creek, Rogersville, Haivkins Co., Tenn. 

 Walker coll. 



1. Lasmigona badia 3. Mcdionidus plateolus 



2. Alamidonta minor 



Big Flat Creek, Corryton, Knox Co., Tenn. 

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



1. Fusconaia barnesiana 



2. Lasmigona badia 



3. Eurynia ncbulosa 



4. E. vanuxemensis (seen) 



NoLicHucKY River Drainage. 

 Whitehorn Creek, Bulls Cap, Hazvkins Co., Tenn. 

 Carn. Mus. (Ortmann, Alay 18, '14). 



1. Lasmigona badia 3. Eurynia vanuxemensis 



2. Etirxnia ncbulosa 



Bent Creek, Whitesburg, Hamblen Co., Tenn. 

 Carn, Mus. (Ortmann, Sept. 8, '15). 



1. Lasmigona badia 3. Eurynia vanuxemensis 



2. Eurynia ncbulosa (seen) 



PROC. AMEP. PHIL. SOC, VOL. LVII, OO, NOV. I, I918. 



