NATURAL SCIENCES OF PHILADELPHIA. 271 



Goniobasis Barrattii. TestS, carinata, subfusiformi, subtenui, virido-cornea 

 vel rufo-cornea, obsolete \ittata, vel evittata ; spira. obtuso-conoidea, ; suturis 

 valde impressis ; anfractibus septenis, convexiusculis, ad apicem plicatis ; 

 apertura submagna, subrhomboidea, intus albida vel obsolete vittata ; labro 

 acuto, vix sinuoso ; columella parum contorta. 



Hab. Abbeville District, S. Carolina, J. P. Barratt, M. D. 



Goniobasis robricata. Testa, carinata, conoidea, subtenui, rufo-fusca, 

 polita, evittata; spira subelevatii; suturis valde impressis; anfractibus instar 

 septenis, convexis ; apertura submagna, rhomboidea, intus dilute rubida, labro 

 acuto, vix sinuoso ; columella incurva, parum incrassata. 



Hab. Tennessee, Prof. Troost. 



Goniobasis Bentoniensis. Testa carinata, plicata, striata, conoidea, sub- 

 tenui, virido-cornea, evittata ; spira elevata, conoidea ; suturis valde impressis; 

 anfractibus septenis, convexiusculis ; apertura parviuscula, ovato-rhomboidea, 

 intus albida ; labro acuto, vix sinuoso; columella incurva, parum contorta. 



Hab. Benton County? North Alabama, G. Hallenbeck, Esq. 



Gomobasis negata. Testa striata, elliptica, subconica, crassa, luteola, 

 quadrivittata; spira, obtuse conica ; suturis valde et irregulariter impressis; 

 anfractibus senis, convexiusculis, ultimo grandi ; apertura parviuscula, ovata, 

 intus albida et quadrivittata ; labro acuto, spissato ; columella inflecta, incras- 

 sata, ad basim obtuse angulata. 



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



Goniobasis Elliottii. Testa obsolete striata, subobtuso-conoidea, subcrassa, 

 vel flavescente vel fuscescente, evittata ; spira. subobtusa, ; suturis valde im- 

 pressis ; anfractibus instar senis, convexiusculis; apertura magna, ovato rhom- 

 boidea. intus vel albida vel fusca ; labro acuto, parum sinuoso; columella 

 paulisper incurva, incrassata et parum contorta. 



Hab. Fannin County, Georgia, Bishop Elliott, lichee and Little Uchee 

 Rivers, Alabama, G. Hallenbeck and Dr. Gesner. 



Goniobasis flavescens. Testa, striata, interdum granulata, et plicata, sub- 

 cylindracea, flavescente, crassa ; spira obtuse conoidea ; suturis irregulariter 

 impressis ; anfractibus convexiusculis, ultimo pergrandi ; apertura grandi, sub- 

 rhomboidea, intus vittata vel alba ; labro acuto, vix sinuoso, columella incurva, 

 superne valde incrassata et contorta. 



Hab. Oconee and Tennessee Rivers, Tennessee, Rev. G. White. 



Goniobasis Hallenbeckii. Testa tuberculata,, inferne transverse striata, tur- 

 rita, subtenui, luteo cornea vel olivacea, vittata vel evittata; spira elevato-tur- 

 rita ; suturis valde impressis ; anfractibus octonis, carinatis, ad peripheriam 

 compresso-tuberculatis ; apertura magna, ovato-rhomboidea, intus albida; 

 labro crenulato, sinuoso ; columella incurva, parum incrassata et valde contorta. 



Hab. Randall's Creek, near Columbus, Georgia, G. Hallenbeck, Esq. 



Goniobasis Canbyi. Testa tuberculata, plicata, inferne transverse striata, 

 turrit^, tenui, vel fusca vel dilute fusca, maculata, ; spira turrita ; suturis ir- 

 regulariter impressis ; anfractibus septenis, carinatis, ad peripheriam compresso- 

 tuberculatis ; apertura parva, rhomboidea, intus maculata : labro crenulato, 

 sinuoso; columella incurva et valde contorta. 



Hab. Lake Monroe, Florida, Wm. Canby, and Etowah and Tennessee Rivers, 

 Georgia, J. Postell. 



Goniobasis Couperii. Testa tuberculata, plicata, inferne et superne striata, 

 turrita, tenui, tenebroso-fusca, ad basim vittata ; spira turrita ; suturis valde 

 impressis ; anfractibus septenis, subcarinatis, ad peripheriam et supra com- 

 presso-tuberculatis; apertura parvissima, subrhomboidea, intus tenebroso et 



1862.] 



