NATURAL SCIENCES OF PHILADELPHIA. 121 



Hab. Yellowleaf Creek, Alabama. E. R. Showalter, M. D. 



Melania Shelbyensis. Testa laevi, subelliptica, subcrassa, olivacea, vittata 

 vel evittata ; suturis impressis ; anfractibus superne planulatis ; apertura par- 

 viuscula, subovatsl, intus alba ; labro acuto ; columella inflecta, ad basim 

 obtuse angulata. 



Hab. Yellowleaf Creek, Alabama. E. R. Showalter, M. D. 



Melania Alabamensis. Testa laevi, pupaBformi, subelevata, subcrassa, 

 luteola, quadrivittata ; suturis valde impressis ; anfractibus instar septenis, 

 convexis ; apertura parva, subconstricta, subelliptica, intus albida et vittata ; 

 labro acuto ; columella inflecta, albida, ad basim obtuse angulata. 



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



Melania rara. Testa laevi, elevato-conoidea, scalariformi, subcrassa, tene- 

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

 latis, superne angulatis ; apertura parviuscula, elliptica, intus tenebroso-pur- 

 purea ; 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 instar quinis, inflatis, ultimo sub- 

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

 columella albida, superne incrassata, sinuosa, inferne subangulata. 



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



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



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

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

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

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

 angulata. 



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

 towards the base. 



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



Melania solidula. 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, ovata, 

 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, mucronata, 

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

 octonis, superne planulatis, ultimo subgrandi ; apertura parviuscula, ovata, 

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

 tunda. 



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 ; an- 

 fractibus septenis, superne carinatis ; apertura ampla, subrhomboidea, intus 

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

 lata. 



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



Melania lita. Testa rugoso-striata, pupaeformi, conoidea, subcrassA, quad- 

 rivittata, variegata, nitida; suturis irregulariter impressis ; anfractibus senis, 



1861.] 9 



