UPPER TENNESSEE DRAINAGE: 
611 
Middle Fork Holston River, Chilhowie, Smyth Co., Va. 
Carn. Mus. (Ortmann, May 20, 13). 
1. Fusconaia barnesiana-bigbyensis 
2: 
3; 
4. 
5. 
6. 
Pleurobema oviforme argenteum 
Elliptio dilatatus 
Lasmigona costata 
Alasmidonta minor 
A. marginata 
ope 
8. 
Q. 
10. 
II. 
12. 
Ellipsaria subtenta 
Medionidus plateolus 
Eurynia nebulosa 
E. vanuxemensis 
Lampsilis fasciola 
Truncilla walkert 
Laurel Creek, Mock’s Mill (near Vestal P. O.), Washington Co., Va, 
Walker coll. (Adams, Aug. 26, ’or). 
We 
Fusconaia barnesiana bigbyensis 
South Fork Holston River, Barron, Washington Co., Va. 
7 — Walker coll=(Adams, Aue. 145or));*}— Carn, Muss (Ort- 
mann, May 19, ’13). 
pL. 
f2. 
#3 
#4, 
is. 
*6, 
Fusconaia barnesiana bigbyensis 
Pleurobemaoviforme argenteum 
Elliptio dilatatus 
Lasmigona costata 
Alasmidonta minor 
A. marginata 
Ellipsaria subtenta 
+8: 
*19 
*+1O 
*F II 
er, 
pias 
Nephronaias pectorosa 
Medionidus plateolus 
Eurynia nebulosa 
E. vanuxemensis 
Lampsilis fasciola 
Truncilla walkeri 
South Fork Holston River, Fish Dam, Sullivan Co., Tenn. 
Walker coll. (Adams, Sept. 6, ’or). 
Ti 
2. 
ab 
Lexingtonia dolabelloides con- 
radt 
Elliptio dilatatus 
Nephronaias pectorosa 
4. 
5 
6. 
Eurynia nebulosa 
E. vanuxemensis 
Lampsilis fasciola 
South Fork Holston River, Emmett, Sullivan Co., Tenn. 
Carn. Mus. (Ortmann, July 9, 713). 
15 
2. 
N ou & W& 
Fusconaia barnesiana bigbyensis 
Lexingtonia dolabelloides con- 
radi 
. Pleurobema oviforme } 
. P. oviforme argenteum { 
. Elliptio dilatatus 
. Lasmigona costata 
. Alasmidonta marginata 
8. 
. Ellipsaria subtenta 
. Nephronaias pectorosa 
. Eurynia nebulosa 
. BE. vanuxemensis 
. Lampsilis ovata ventricosa 
. L. fasciola 
. Truncilla walkeri 
Ellipsaria fasciolaris 
