DBS MO INKS ACADEMY OF SCIENCE. O] 



* Tnio asperrijnus. Lea. 



(Trans. Am. Phil. Soc., Vol. IV., PI. V. Fi-. 3,) 



Kanges from Ohio to the liig Sioux Iliver, Nebraska, south to Trinity river, 

 Texas. The form is synonymous with / " laclirymoxus, whicli see. 



* Tnio alrofostatu*, Lea. 



(Trans. Am. Phil. Soc., :.'(! Scries. Vol. X. PI. II, Fijr. 5.) 



Alabama and Coosa rivers, Alabama, to Cherokee Nation, Indian Territory 

 and Ked river, at Alexandria, Louisiana the last mentioned being the original 

 locality. It groups with 1~. ninlnl^t.tiifi (the type of the group) //. lattco status. 

 /'. i>lic<itns, I'. pcri>lit:<itiiH, F. liippoptrus, and others, some of which are cer 

 tainly synonymous. 



t Unio barnesianns, Lea. 



(Trans. Am. Phil. Soc., Vol. VI, PI. X., Fig. 26.) 



Cumberland river, Tennessee. A species belonging in the group typified by 

 / ". 7m//>i/fN.v/.v. 



I Unio bellulus, Lea. 



(Observations on the Genus Unio, Vol. XIH, PL XVII, Fig. 48.) 

 llolston and Tennessee rivers, from Muscle Shoals upwards. Belongs to a 

 UTOUP which includes U. m?i7id?t.s- and similar closely related forms. 



f l r nio bian^ulatiis, Lea. 



(Trans. Am. Phil. Sec.. 3d Series. Vol. VIII, PI. IX, Fi. 8.) 



Caney Kork, llolston and Elk rivers, Tennessee. In the Holston the speci - 

 is very abundant. It is a member of a very large group, of which 17. liytniH..'- 

 tinnt< may be considered the type. 



f Unio biemarginatiiSf Lea. 



(Jour. Acad. Xat. Sci. Phi'a., :M Scries, Vol. VI. PI. XVI, Fife'. 4').) 

 Tennessee river, at Florence, northwest Alabama, tiie only locality yet re- 

 ported. The species is apparently ^synonymous with /'. pt.r/>/c..nf.v, Lea the 

 type of the grouj) \\it!i which it belongs. 



j Unio bi^Jjyeiisis, Lea. 



(Trans. Am. Phi!. Poe. 2nd Seriee, Vol. VI II, p.'.XXIl, Plr. 61.) 

 Central (Maury county), and south (Elk river), Tennessee. 



