U M 



SpL-CR'S J (j 1 . 



rsio SPLENDIDUS. I'll, tenia rUijdial, iiijlatd, iiiliis 

 Inced, auiice aiic/ustd, rotunda, postire laid, anijiilu 

 margine dorsali elevato, epiderni'idi' lnleo,Jdu'iis vi 

 dibits iiamerosls rndiuld, nuduiiiljus injlaiis, hcvibiis:. 



The splendid Unio. Shell elliptical, inflated, li 

 within, narrow and rounded in front, wide and mv. 

 lated at the back, with the dorsad niar-ia elcvati 

 epidermis yellowish, radiated with given stripe^, ii 

 boes inflated, smooth. 



Lea, Unio ii. p. 70. t. 19. f. 61. 



llab. Georgia. 



A remarkably inflated, 

 coloured interior. 



shell, with 



splen.lid li: 



Species 162. 



Un 10 ORXATUS. Ull. testa .subcuilnlld. nlJtuUi. llllrii, lln„. 

 iiioiqiiaii, radlis aiiffa.slis, iiitern.ptis, pinielaln ur- 

 uald, aiilici bri'vi,siibrotinidd, postire loiiginsriild, ele- 

 eald, valide aiigiilutd, post angidniti magniiiii Irifariam 

 snbaiKjulato, iiitus pallide roseo-lutescente, margine 

 veidrali postic'e inflaio, uiiibonibus inflatis snbri/gatis. 



The ornamented Unio. Shell rather wedge-shaped, 

 inflated, yellowish, sometimes ornamented with nar- 

 row, interrupted, sjjotted rays, short, rather rounded 

 in front, longer at the back, elevated and strongly 

 angulated, with three slight angles behind the large 

 one, pale salmon-coloured within, ventral margin in- 

 flated behind, nnibocs inflated, slightly rugose. 



('oNRAD, Preshwater Shells. 



JIab. Alabama. 



a/ba'. e.rhis pallidi' olifarra', slrii/is vindibiis anpiislis 

 nnliala, aiiiice breri, a„,/n.slald, pnstav nilde iiiltald, 

 nblniiii' ainjiihihi. uianjnie posfiro dorsali sidjdrclifi, 

 reiilrali rntuial.i. ari;i iinsliitujiihtri pared, iniiboiiibiis 

 aaihdatii,, riujosis. 

 The suiKiVATE Unio. Shell elliptical, inflatcil. thin, 

 white within, pale-ulive without, radiated with nar- 

 row green stripes, short and narrow in front, inflated 

 and obliquely angulated at the back, posterior dorsal 

 margin sloping, ventral roiuided, post-angular area 

 small, umboes uiidulatrly nigc^c. 

 Lea, Unio i. p. 12S. t. IS. t. Hi. 

 llab. Ohio. 



Although an oval shell, in s<,im- degree resembling I'. 

 spleadidi^s, it will be „ljserved tl.at this .licll is much 

 lighter, the ])OSlerior dorsal margin is moi'e sioping, and 

 the area behind the angle much smaller. .Mthougli 

 named snljovaiiis, it is more oval than Cocalat. 



Species 163. 

 3UB0VATUS. Ull. tcsld elliplied, iiijlald, teniii. 



Unk 



Specie, KU. 

 s. I'll. s,ib,-iiii,;tld. iiijlald. mill': riiseo-liitcs- 

 mil,', r.rla.sa linirra, tniris el /asms riridihiis radiatd. 

 latere aiitieo breri. pr,./inid'e rinjalu. latere pustiea 

 lata, loiigiasealo, nigreseeiite, elecatiui iiiiijiilala, area 

 postied triyoiid, aiuboaibiis siibriigalis. 

 The ovate Ijnio. Shell rather wedge-shaped, salmon- 



aiid l.an.ls. Mutcnor side >hnil. divply ur(i.)ved. pos- 

 terior side rather longer, luelimng tu hla,-L. uilh an 

 elevated angle, posterior area trigonal, umboes slightly 



Say, I'hiry. .\ liter. 

 llab. Ohio. 



