UNIO.— Pi.AiK XXVII. 



Tills species 

 ule with a lu! 



Dstly covered 

 (leriiiis. 



Species 139. (Mus. Cuming.) 



(I i!.\Di.4.Ti:s. (Til. lesid oblongd, siibcompressn, latere ' 

 (inliro rotuuduto, postico oblique producto, sabobscure I 

 nngulalo, dec/ivi-friiiica/o ; J'uho-oUvaced, intense viridi 

 nmUiradiatd . j 



KAYED I'Md. Shell oblong, rather compres.sed, 



anterior side rounded, posterior side obliquely p 

 duced, rather obscurely angled, slopingly truncatt 

 fulvous-olive, many-rayed with dark gretii. 



Mija radiata, Gmelin, Syst. Nat. p. :iL'-'0. 

 Uiiio radiata, Lamarck. 

 My a elongata, Wood. 

 Unio Virgiiiiana, Lea. 



Hub. Lake Georse, North America. 



A prettily-rayed species of 

 scjuarely truncateil on the postt 



oblc 



