U N I 



Hah. 

 (Jf 



Species 133. (Mus. Cuming-.) 

 ) SOLIDI'S. Uii. ledd dlipilco-cordnlu, solidd, urn- 

 buiiibiis proiniiieiUihns, latere atilico irecisKiiiio, pos/icc 

 dedivi ohscuri angulnto ; atrn. 



snr,iT> Umo. Sliell ellipticiilly lieavt-shapeil, solid, 

 luulioc-; ])n)niiiirui. .Ulterior siile very short, pcsterioi 

 -loimmly (.!:-euivly imjjled ; black. 



Tmus. Aimr. I'lul. Soc. 183+ ; Obs. vol. ii. p. ]:j, 

 pi. 5. f. 13. 



Ohio River, at C'iiiciuiiati, Nortli Aiiieriea. 



S|iecies 



(.M„s. (• 



oblii 



elliptic heart-sliape, black ext( 



Species IS-t. (Mus. Cuuiing.) 



Unio lexs. Vii. iesld transverse ocatu, snhtfquUalerali, 

 hilerdiKS roliimlatis, snpenie compress!^ produclis, 

 postico prope ninbones obtiise aiujnlato ; Hvido-oHvaccd, 

 sericeii. 



The lens Unio. Shell transversely ovate, soniewhnt 

 equilateral, sides rounded, compressly produced at 

 the upper part, the posterior obtusely ungleil near 

 the umboes; livid-olive, silky. 



Lea, Trans. Amer. I'liil. Soc. 1S30; Obs. vol. i. p. liO. 

 pi. 8. f. 10. 



Hab. Ohio, North America. 



Rather more, than usually equilateral, the sides being 



compressly produced along the hinge margin. 



Spe( 



13.5. (Mus. Cuming.) 



Lea, 

 II ab. 



or 



to lie 



) ciRCULUs. r«. testa elUptico-coj'datd, suhcirc'tlari, 

 solidd, nmboiiibus coinpresse iumidis. lateribus brevibus, 

 postico prope nudjoues obtuse anijidato ; fnsco-olivaced, 

 iiigricante tiiictd. \ 



ORB Uxio. Shell elliptically heart-shaped, nearly [ 

 circular, solid, umboes coiupressly swollen, sides J 

 short, the posterior obtusely angled near the umboes ; j 

 fuscous-olive, tinged with black. I 



Trans. Amer. I'hil. Soc. l^'l'J ; Obs. vol. i. p. 47. 1 



)1. '.». f. U. 



Ohio ,111.1 Tciiiic^-ce, Xorlh America, 



(> KUBIGINOSUS. Un. ti-sid snhqmaJrafo-otiloiojd. 

 ri(rifoniti, compressd, undionihiis corriiijutis, lali-n- 

 tico rotiiiidato, postico aratdlo-triuiciilo, lli'.rnnsn- 

 (jiilato ; riibii/iiioso-fidrd. 

 UUDIJY Unio. Shell -iinirwli.'it siinnrelv iililo 



wrinkle 



iiicK 



Species 137. (Mi 



■K-) 



o SUBROTU.S'DI'S. I'n. testa otjioiigo-ovatd, valde in 

 qiiilaterali, latere antico breoissiino, postico obliq 

 producto, r/radatim atteniwto ; atrd. 



i;;--ovati 



short, 

 mated : 

 Obs. 



Species 138. (JNlus. Ciiniing.) 



I'lLAKIs. Un. testa ob/ii/He cordatd, sotidissini 

 nmbonibiis tiiuiidis, prominent djns, lateribns brecissiini 

 jiostico obscure angidato, sidilrnncalo ; oliraceo-nii/r 



HAIRY Unio. Shell obliquely heart-shaped, vei 

 solid, umboes swollen, prominent, sides very slior 

 posterior obscuiely angled, slightly tniiiealcd ; olivi 

 black. 



Trans. Amer. I'hil. Soc. 1S4U; OI,s. v„l. lil. p. -I 



Tennessee, North America. 



