122 PROCEEDINGS OF THE ACADEMY OF 



superne convexis, ultimo elongate* ; apertura subconstricta, elongato-ovata , 

 intus purpurescente et vittata ; labro acuto, spissato ; columella inferne incur- 

 vata, purpurea, ad basim rotundata. 



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



Melania copiosa. Testa, striata, late elliptica, ventricosa, obtuso-conica, 

 crassiuscula, luteo-cornea,, obsolete vittata ; suturis irregulariter impressis ; 

 anfractibus quinis, convexiusculis, ultimo pergrandi ; apertura copiosa, late 

 elliptica, intus albida ; labro acuto, sinuoso ; columella arcuata, superne pau- 

 lisper incrassata, ad basim subrotunda. 



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



Melania pergrata. Testa, striata, subcylindracea, obtuse conica, crassius- 

 cula, viridi-cornea, suturis valde impressis ; anfractibus senis, superne hu- 

 merosis, striis transversis crebre indutis, ultimo pergrandi et cylindraceo ; 

 apertura grandi, elongato-ovata, intus albida ; labro acuto; columella arcuata, 

 superne paulisper callosa, ad basim subrotundata. 



Operculum, ovate, spiral, dark brown, with the polar point on the edge 

 near to the base. 



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



Melania bellula. Testa striata, subelliptica., obtuse conoidea, crassiuscula, 

 luteo-cornea, quadrivittata ; suturis valde impressis; anfractibus instar quinis, 

 convexiusculis, ultimo grandi ; apertura subgrandi, elliptica, intus albida et 

 vittata ; labro acuto ; columella alba, inflecta, ad basim obtuse angulata. 



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

 inner edge, about one-fourth from the base. 



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



Melania jEQUA. Testa substriata, conica, subcrassa,tenebroso-fusca, suturis 

 impressis ; anfractibus instar senis, superne planulatis ; apertura parva, rhom- 

 boidea, intus albida ; labro acuto ; columella inflecta, paulisper incrassata, ad 

 basim obtuse angulata. 



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



Melania capillaris. Testa crebre striata, anguste elliptica, crassiuscula, 

 luteo-fusca, striis transversis capillaris crebressime indutis ; suturis irregulari- 

 ter impressis ; anfractibus subcompressis, ultimo grandi ; apertura grandi, 

 elongato-elliptiea, intus striis capillaris ; labro crenulato ; columella albida, 

 incrassata, incurva, ad basim obtuse angulata. 



Operculum ovate, spiral, dark browu, with polar point near the inner side 

 and near to the base. 



Hab. Coosa River, Alabama. E. R. Showalter, M. D. and Win. Spillman, 

 M. D. 



Melania gratiosa. Testa tuberculata, aliquando striata, obtuso-fusiformi, 

 crassiuscula, luteo-viridi, vel vittata vel evittata. ; suturis impressis ; anfracti- 

 bus senis, superne planulatis, ultimo grandi ; apertura subgrandi, subrhom- 

 boidea, intus albida ; labro acuto, subsinuoso ; columella inflecta, incrassata, 

 ad basim subangulata. 



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



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



Melania paula. Testa, carinata, conica, tenui, diaphana, rufo-cornea ; su- 

 turis paulisper impressis ; anfractibus senis, superne acuto-carinatis, ultimo 

 sub-bicarinato ; apertura parviuscula, lato-elliptica, intus albida; labro acuto; 

 columella vel albida vel rufescente, inflecta, ad basim acuto-angulata. 



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



Melania blanda. Testa, plicata, obtuse fusiformi, superne obtuse conica, 

 subtenui, tenebroso-cornea, ; suturis impressis ; anfractibus quinis, superne 



[May, 



