272 PROCEEDINGS OF THE ACADEMY OF 



uno-vittata ; labro crenulato, valde sinuoso ; columella incurva, contorta et 

 purpurescente. 



Hab. Etowah River, Mr. Couper, by J. Postell. 



Goniobasis Downieana. Testa tuberculata, subturrita, superne clathrata et 

 subcarinata, inferne transverse striata, teuui, dilute fusca ; spira, conoidea, 

 clathrata; suturis irregulariter impressis ; anfractibus septenis, subcarinatis, ad 

 peripheriam et supra compresso-tuberculatis ; apertura submagna, ovato-rhom- 

 boidea, intus albida : labro crenulato, sinuoso ; columella incurva et contorta. 



Hab. Etowah River, J. Postell. 



Goniobasis Tryoniana. Testa, granulosa vel striata, subfusiformi, luteo- 

 f'usca vel tenebroso-fusca, crassa, robusta, vittata, raro evittata, spira obtuse 

 conoidea ; suturis irregulariter impressis ; anfractibus instar senis, ultimo per- 

 grandi ; apertura pergrandi, ovato-rhomboidea, intu3 valde vittata ; labro sub- 

 crenulato, vix sinuoso; columella paulisper incurva et vix contorta. 



Hab. Oostenaula, near Rome, Bishop Elliott. Etowah River, Georgia, J. 

 Postell, and Ocoee River and Tennessee River, Rev. G. White. 



Goniobasis granata. Testa granulosa, inferne striata, fusiformi, vittata, 

 subcrassa. fulgida, inflata, olivacea, vel rubiginosa ; spira depressa ; suturis ir- 

 regulariter impressis ; anfractibus instar quinis, planiusculis, ultimo pergrandi ; 

 apertura grandi, ovato-rhomboidea, intus valde vittata ; labro parum crenulato, 

 vix sinuoso; columella incurva et contorta. 



Hab. Etowah River, near Canton, Georgia, Bishop Elliott and Rev. G. White. 



Goniobasis Stewardsoniana. Testa granulata, transverse striata, subfusi- 

 formi, crassa, fulgida, inflata, viridi vel fusca, evittata ; spira perob.tusa ; su- 

 turis impressis; anfractibus convexiusculis ; apertura pergrandi, ovato-rhom- 

 boidea, intus alba; labro acuto, subsinuoso ; columella incurva, superne et in- 

 ferne incrassata et contorta. 



ifafi.Knoxville, Kentucky, B. W. Badd, M. D. 



Goniobasis cadus. Testa cancellata, fusiformi, subcrassa, inflata, flaves- 

 cente, evittata ; spira, subobtusa ; suturis irregulariter impressis ; anfractibus 

 quinis, convexiusculis, superne eancellatis ; apertura pergrandi, ovato-rhom- 

 boidea, intu3 alba ; labro acuto, parum sinuoso ; columella incurva, incrassatH. 

 et contorta. 



Hab. Georgia, Major J. Le Conte. 



Descriptions of Eleven New Species of MELANIDiE of the United States. 



BY ISAAC LEA. 



Trypanostoma Henryanum. Testa carinata, attenuata, roucronata, tenui, 

 diaphaua, pallido-cornea, evittata; spira regulariter attenuato conica ; suturis 

 regulariter impressis; anfractibus denis, planulatis, inferne medio regulariter 

 carinatis et striatis ; apertura parva, subrhomboidea, intus albida ; labro valde 

 acuto, sinuoso: columella incurva et valde contorta. 



Hab. Tennessee? Smithsonian Institution. 



Trypanostoma rostellatum. Testa, striata, attenuata, subtenui, cornea, 

 evittata ; spira elevata ; suturis valde impressis ; anfractibus octonis, convexius- 

 culis ; apertura parva, rhomboidea, intus albida; labro acuto, valde sinuoso ; 

 columella incurva et valde contorta. 



Hab. Florence, Alabama, Rev. G. White. 



Trypanostoma strictum. Testa carinata, subattenuatii, tenui, diaphan.', 

 pallido-cornea, uno-vittata ; spira regulariter conica ; suturis linearibus; an- 

 fractibus instar senis, superne planulatis; apertura parviuscula, rhomboidea, 



[May, 



