NATURAL SCIENCES OF PHILADELPHIA. 119 



tis, ultimo grandi ; apertura subgrandi, elongato-ellipticu, intus albida ; labro 

 acuto ; columella albida, incrassata, arcuata, ad basim retusa. 

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



Melania ponicea. Testa laevi, subcylindracea, crass;!, punicea ; spira ele- 

 vata, conica; suturis impressis; anfractibus convexiusculis ; apertura parva, 

 rotundo-ovata, intus alba ; labro acuto ; columella incrassata, alba, ad basim 

 rotundata. 



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



Melania luteola. Testa laevi, subelliptica,, subtenui, pallido-lutea ; spira 

 subelevata, conoidea ; suturis paulisper impressis ; anfractibus planiusculis ; 

 apertura subgrandi, intus albida ; labro acuto ; columella albida, incurva ; ad 

 basim obtuso-angulata. 



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



Melania fascinans. Testa lseyi, subfusiforrni, crassiuscula, luteo-cornea, 

 nitida; spira elevato-conica ; suturis impressis; anfractibus convexiusculis; 

 apertura subgrandi, intus alba, trivittata; labro acuto; columella alba, ad 

 basim retusa. 



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



Melania quadrivittata, Testa laevi, subelliptica, crassiuscula, viridi-lutea, 

 nitida ; spira. obtuse conoidea ; suturis valde impressis ; anfractibus octonis, 

 convexiusculis; apertura subconstricta, rhombo-ovata, intus albida, quadri- 

 vittata; labro acuto; columella incurva, ad basim angulata. 



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



Melania midas. Testa, layvi, cylindraceo-elliptica, crassiuscula, virente, 

 obsolete vittata ; suturis irregulariter impressis ; anfractibus compressiusculis, 

 ultimo pergrandi, inferne obsolete striata; apertura grandi, auriculE&formis. 

 intus cseruleo-alba ; labro acuto; columella casruleo-alba, incrassata, inflecta 

 ad basim obtuse angulata. 



Hah. Coosa and Alabama Rivers, near Wetumpka. E. R. Showalter, M. D. 



Melania vauiata. Testa, lajvi, subfusiforrni, obtuso-conica, crassiuscula, 

 vel luteola vel purpurescente ; suturis irregulariter impressis \ anfractibus 

 senis, superne planiusculis, ultimo inflato ; apertura grandi, intus vel luteola 

 vel purpurescente ; labro acuto ; columella arcuata, inspissata, ad basim obtuse 

 angulata. 



Hab. Coosa River, at Wetumpka and Montevallo, Bibb County, Alabama. 

 E. R. Showalter, M. D. 



Melania virgulata.- Testa laevi, fusiformi, conica, crassiuscula, nitida, mu- 

 cronata, luteola, quadrivittata ; suturis subimpressis ; anfractibus septenis, 

 superne constricts, ultimo bulboso; apertura subgrandi, subelliptica, intus 

 luteo-alba. et valde vittata; labro acuto ; columella inflecta, ad basim angu- 

 lata et canaliculata. 



Hah. Coosa and Tallapoosa Rivers, Alabama. E. R. Showalter, M. D> 



Melania mucronata. Testa, la?vi, acuto-conoidea, tenui, diaphana,stramineo- 

 lutea; spira exerta, mucronata; suturis leviter impressis ; anfractibus senis, 

 superne planulatis : apertura parviuscula., ovato-rbomboidea, intus luteo- 

 albida ; labro acuto, sinuato ; columella ad basim paulisper incrassata, sub- 

 effusa et subrecurva. 



Hab. Big Prairie Creek, Alabama. E. R. Showalter, M. D. 



Melania propinqua. Testa laevi, subcylindracea, subcrassa, luteola, quadri- 

 vittata ; spira subelevata, conoidea ; suturis valde impressis ; anfractibus 



1861.] 



