40 



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

 and near to the base. 



llab. — Coosa River, Alabama. E. R. Showalter, M. D. and fm. Spillman, 

 M. D. 



Melania ghatiosa. — Test4 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 infleeta, incrassata, 

 ad basim subangulata. 



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



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



Melania paula. — Testa carinata, conica, tenui, diaphana, rufo-corneu. ; 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, infleeta, ad basim acuto-angulata. 



llab. — 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 

 planulatis, ultimo grandi et subangulato ; apertura subgrandi, elliptica, intus 

 luteo-alba ; labro acuto ; columella incrassata, infleeta, interne subangulata. 



Rab. — Yellowleaf Creek, Alabama. E. R. Showalter, M. D. 



Melania crepera. — Testa substriata, conica, subcrassa, fuliginosa ; spira 

 subelevata ; suturis irregulariter impressis ; anfractibus senis, convexiusculis; 

 apertura ovato-rhombica, intus albida; labro acuto; columella infleeta, 

 superne paulisper incrassata, ad basim obtuse angulata. 



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



Melania fumea. — Testa laevi, conica, subtenui, fumea, subnitida, aliquando 

 obsolete vittata ; spira subelevata ; suturis irregulariter impressis ; anfracti- 

 bus superne planulatis, inferne subinflatis ; apertura ovato-rhombica, intus 

 albida ; labro acuto ; columella infleeta, superne paulisper incrassata, ad 

 basim subrotunda. 



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



Melania propria. — Testa laevi, elongato-elliptica, subtenui, luteo-cornea, 

 obsolete vittata, nitida ; spira elevata ; suturis valde impressis ; anfractibus 

 instar senis, superne convexiusculis, inferne inflatis ; apertura subgrandi, 

 ovata, intus luteo-alba ; labro acuto ; columella infleeta, superne incrassata, 

 ad basim rotundata. 



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



