UXIO.— Plate XXXIV, 



nithei- poiiitfil al llie Icniiiiial uuirgiii, veiitrr 



much iiitiated. 

 Lea, Uiiio vi. p. 73. pi. xiii. I'. .53. 

 Hab. Othcalooga Creek, Gordon County, Georgia 



Elliot. 



Jishop 



Species 180. (Mus. Cuming.) 

 Unio Baknesianus. Uii. nUonijo-mbq^Hadratd, cumpressa, 

 kecigntd, inlim purpurmceiili;, axtm lutco-olivaced, la- 

 ter/' aiitico bn'omiiiio, mbtruncatu, latere posticu elon- 

 yato, oblique trnnmto, ob^ciiri amjidato, iiiargine (hjrsali 

 declivi. 

 i^ARNEs's Unio. Shell oblong-subijuadrate, compressed, 

 smooth, purplish within, yellowish-olive without, ante- 

 rior side short, subtruncate, posterior side elongated, 

 obliquely truncated, obscurely aiigidated, dorsal mar- 

 gin sloping. 

 Lea, Unio li. p. 31. pi. x. i: Sfi. 



Hub. Cumberland River, Tennessee; Dr. Troost. 

 A remarkably Hat little shell. 



Species ISl. (Mus. Cuming.) 



Unio REGULAlils. I'll, testa suheUiptkd, injlald, tenui, 

 iiitii.i pitrpitred, extiis Imvigatd, obxcure olivr/ced, ra- 

 diatd, latere antico (imjttUo, brevi, siibrotiiiulo, medio 

 iiijlato, iiiarijine coiieexn, liilere postico elevofo, bia/i- 

 i/nl/itii, inter (iiigiihs Iriuicnto, mitri/iiie pnstica diirtsnli 

 et liUeruli dccliri. 



The regular Unio. Shell subelliplical, inflated, thin, 

 purple within, smooth, dark-olive, radiated without, 

 anterior side narrow, short, rather round, inilated in 

 the centre, with the margin convex, posterior side 

 elevated, biangular, truncated between the angles, 

 posterior dorsal and lateral margin sloped. 



Lea, Unio iii. p. 81. pi. xxv. f. 59. 



Ilab. French Broad River, East Tennessee; Dr. Troost. 



