UPPER TENNESSEE DRAINAGE. 625 
t*22. P. oviforme—L. 
£§*23. P. oviforme holstonense—K. 
i. Con Eh. 
t§+24. Elliptio niger—D. K. Co. 
£§*}25.F. dilatatus—K. L. 
+26. Lastena lata 
£§*27. Lasmigona costata—K. L. 
$28. Alasmidonta marginata 
t}29. Strophitus edentulus—Co. 
$30. Ellipsaria fasciolaris 
£831. E. subtenta—K. 
+32. Obliquaria reflexa 
4733. Cyprogenia stegaria (H.) 
£§+34. Dromus dromas—K. 
+35. Dromus dromas caperatus 
*+36. Obovaria retusa (S.)—K. 
£837. O. subrotunda—K. 
£8*+33. Nephronaias ligamentina 
gibba—D. K. L. Co. 
+830. N. pectorosa—K. 
+40. Amygdalonaias truncata 
tt41. Plagiola lineolata—B. K. 
+42. Paraptera leptodon 
43. P. fragilis 
§+44. Proptera alata—B. K. 
45. Toxolasma lividum 
446. Lemiox rimosus 
47. Medionidus plateolus 
48. Eurynia fabalis—L, 
t49. E. nebulosa 
tso. E. vanuxemensis 
ty51. E. recta—K. Co. 
t§52. Lampsilis ovata—K. 
$53. L. fasciola 
*54. L. orbiculata 
£855. Truncilla triquetra—kK. 
$56. T. arceformis 
t57. T. interrupta 
*58. T. lenior 
t§s50. T. haysiana—K. 
t}60. T. stewardsoni (H.) (S.) 
61. T. lewisi—L. 
t8}62. T. propinqua (S.)—K. 
+763. T. torulosa (H.)—K. 
764. T. capseformis (H.) 
Anodontoides ferussacianus, reported by Lewis (as Anodonta oblita), has 
probably been misidentified. Also Fusconaia cuneolus is doubtfully given by 
Lewis; however, it may occasionally turn up in this region. 
Tennessee River, Hiwassee Island, Dayton, Rhea Co., Tenn. 
Walker coll. (Adams, Oct. 13, ’o1). 
1. Amblema plicata costata 
2. Pleurobema obliquum 
3. Elliptio niger 
4. Elliptio dilatatus 
5. Ellipsaria fasciolaris 
Tennessee River, Rathburn, Hamilton Co., Tenn. 
Walker coll. (Adams). 
1. Quadrula pustulosa 
. Rotundaria tuberculata 
. Lexingtonia dolabelloides 
. Pleurobema obliquum cordatum 
. P. obliquum rubrum 
. P. oviforme holstonense 
Am kw hd 
7. Elliptio niger 
8. E. dilatatus 
9. Obliquaria reflexa 
10. Cyprogenia stegaria 
11. Dromus dromas 
12. Plagiola lineolata 
