620 ORTMANN— NAYADES OF 



Tributaries of Tennessee, below Knoxville. 

 (From the West.) 

 First Creek, Knoxville, Knox Co., Tenn. 

 Walker coll. 

 I. Lasmigona badia 



Second Creek, Knoxville, Knox Co., Tenn. 

 According to Lea. 

 I. Fusconaia barnesiana bigbyensis 



Third Creek, Knoxville, Knox Co., Tenn. 

 Walker coll. 

 I. Lasmigona badia 



Piney River, Spring City, Rhea Co., Tenn. 

 Carn. Mus. (Ortmann, May i8, '15). 

 I. Lasmigona badia 2. Eurynia vanuxeniensis 



Martin Branch of Sale Creek, Rhea Co., Tenn. 



Walker coll. (W. A. Marsh). (There is no "Martin Branch" 

 on map; Sale Creek flows from near Dayton, Rhea Co., south into 

 Hamilton Co., and to the Tennessee.) 



1. Fusconaia barnesiana 



2. F. barnesiana bigbyensis 



(From the East, Coming from the Mountains.) 

 Little River Drainage. 



Little River, Walland, Blount Co., Tenn. 

 Carn. Mus. (Ortmann, May 12, '15). 



1. Fusconaia barnesiana bigbyensis 4. Eurynia nebulosa 



2. Plcurobemaovlformeargentcum 5. E. vanuxemensis 



3. Medionidus plateolus 



