624 ORTMANN—NAYADES OF 
Tennessee River, Little River Shoals, Knox Co., Tenn. 
* — Walker coll.; {according to Lewis. 
*1, Fusconaia barnesiana tumescens *6, Lasmugona costata 
*2. Pleuwrobema obliquum *7, Nephronaias ligamentina gibba 
*3, P. oviforme *8. Eurynia fabalis 
*4. P. oviforme holstonense to. Truncilla lewisi 
*5. Elliptio dilatatus 
Tennessee River, Concord, Knox Co., Tenn. 
+ = according to Lewis; {== Carn. Mus. (Ortmann, Sept. 9, ’14). 
71. Quadrula pustulosa 74. Elliptio niger 
{2. Rotundaria tuberculata +5. Strophitus edentulus 
£3. Pleurobema oviforme holsto- +6. Nephronaias ligamentina gibba 
nense +7. Eurynia recta 
Tennessee River, Chota Shoals, Knox Co., Tenn. 
Walker coll. 
1. Fusconaia cuneolus appressa 3. Pleurobema oviforme holsto- 
2. F. barnesiana nense 
Tennessee River (or “ Holston River”), Knox Co., Tenn. 
(Summary of all species reported from the region between Brab- 
son Ferry and Chota Shoals, mostly without exact locality.) 
~= according to Lewis; §= reported by Pilsbry & Rhoads; 
+= Walker coll.; {= Carn: Mus..((Hartman, coll? Ga.),/and Snirth 
coll. (S.)) ; those reported above are marked: B.= Brabson Ferry; 
1D. Dickerson Island: K. == Knoxville: L.=Little, River Shoals; 
Co!—= Concord ; Ch. = Chota) Shoals: 
ti. Cumberlandia monodonta t12. Q. intermedia 
§+2. Fusconaia pilaris—K. +13. Q. cylindrica 
+73. F. pilaris lesueuriana—K., §t+14. Rotundaria tuberculata—K. Co. 
+4. F. cuneolus (?) t§t15. Plethobasus cooperianus—B. K. 
*5. F. cuneolus appressa—Ch. 16. P. cyphyus 
£6. F. cor $17. P. cyphyus compertus (also 
+*7. F. barnesiana—Ch. Frierson) 
t§*8. F. barnesianatumescens—K. L. +18. Lexingtonia dolabelloides 
to. Amblema plicata costata *t19. Pleurobema obliquum—B.K.L. 
ty10. Quadrula pustulosa—B. K. Co. t20. P. oliquum cordatum 
ty11. OQ. metanevra—K. t$f21. P. obliquum rubrum—K. 
