38 



Melania eaea. — Testa laevi, elevato-conoidea, scalariformi, subcrassa, tene- 

 broso-oliva, nitida; suturis irregulariter impressis ; anfractibus octonis, planu- 

 latis, superne angulatis ; apertura parviuscula, elliptic:!, intus tenebroso-pur- 

 pure&; labro acuto ; columella incurva, purpurea, ad basim obtuse angulata. 



Hab.— Coosa River, Alabama. E. R. Showalter, M. D. 



Melania bullula. — Testa laevi, conoidea, inflata, subtenui, viridi-lutea, 

 quadrivittata, suturis impressis ; anfractibus instarquiuis, inflatis, ultimo sub- 

 grandi ; apertura subgrandi, late ovatil, intus albida et vittata ; labro acuto ; 

 columella albida, superne incrassata, sinuosa, inferne snbangulata. 



Operculum elliptical, spiral, dark brown, with polar point near the base. 



Hab. — Yellowleaf Creek, Shelby County, Alabama. E. R. Sbowalter, M. D. 



Melania straminea. — Testa laevi, regulariter elliptica, obtuse conoidea, 

 crassiuscula, straminea ; suturis impressis ; anfractibus quinis, ultimo per- 

 grandi et subinflata ; apertura grandi, elongato-elliptica, intus luteo-albida; 

 labro acuto ; columella arcuata, superne paulisper callosfi, ad basim obtuse 

 angulata. 



Operculum ovate, spiral, light brown, with the polar point near the edge 

 towards the base. 



Hai.-^Coosa River, Alabama. E. R. Showalter, M. D. 



Melania solidola. — Testa lsevi, subfusiformi, obtuse conica, crassiuscula, 

 luteo-viridi vel luteo-fusca, vittata ; suturis impressis ; anfractibus quinis, su- 

 perne planulatis, inferne rotundatis, ultimo grandi; apertura subgrandi, ovatil, 

 intus albida ; labro acuto ; columella arcuata, superne paulisper callosa, ad 

 basim obtuse angulata. 



Hab. — Yellowleaf Creek, near its junction with Coosa River, Alabama 

 E. R. Showalter, M. D. 



Melania Cahawbensis. — Testa laevi, subfusiformi, elevato-conica, muoronata, 

 subtenui, tenebroso-cornea, obsolete vittata; suturis linearibus ; anfractibus 

 octonis, superne planulatis, ultimo subgrandi ; apertura parvinsculS,, ovatfi 

 intus albida vel luteola. ; labro acuto ; columella arcuata, ad basim subro- 

 tundS. 



Hab. — Cahawba River, Alabama. E. R. Showalter, M. D. 



Melania culta. — Testa rugoso-striata, obtuso-conoidea, inflata, subcrassa, 

 viridi-lutea, nitida, trivittata; suturis valde et irregulariter impressis j an- 

 fractibus septenis, superne carinatis ; aperturi ampla, subrhomboidefi., intus 

 albida et vittata; labro acuto; columella incurva, dilute rosea, inferne angu- 

 lata. 



Hab.— Coosa River, Alabama. E. R. Showalter, M. D. 



