NATURAL SCIENCES OP PHILADELPHIA. 173 



planulatis ; aperturA subgrandi, rbomboidea, intus alba ; labro acuto, sinuoso ; 

 columella inferne incrassata et valde contorta. 



Hab. Tennessee, J. G. Anthony. Warrior River and Yellowleaf Creek, Ala.. 

 Dr. Showalter. Fox River, Indiana ; J. Sampson. 



Trypanostoma striatum. Testa striata, subulari, subtenui, cornea ; spirit 

 elevata ; suturis impressis ; anfractibus instar octonis, convexiusculis, ultimo 

 parviusculo ; apertura parva, subrbomboidea, intus albida; labro acuto, valde 

 sinuoso, expanso ; columella paulisper incrassata et valde sinuosa. 



Hab. Florence, Ala., B. Pybas. 



Trypanostoma Hartmanii. Testa, laevi, interdum obsolete canaliculata, solida, 

 virente vel rufo-fuscescente, regulariter conica, vittata vel evittata ; spira pyra- 

 midata ; suturis regulariter impressis ; anfractibus instar novenis, convexius- 

 culis ; apertura parva, rhoinboidea, intus vel alba vel salmonia ; labro acuto. 

 sinuoso ; columella inferne incrassata et valde contorta. 



Hab. Cabawba and Coosa Rivers ; Dr. Showalter. Warrior River, Ala- 

 bama. Knoxville, Dr. Budd and J. Clark. Tenn. River, Ala., Dr. Spillman. 



Trypanostoma Jayi. Testa laevi, subpupoidea, crassa, nitida, rufo-fusca ; 

 spira. obtuso-conica ; suturis valde impressis, anfractibus octonis, subtumidis, 

 ultimo subgrandi; apertura parva, rhoinboidea, subangusta, intus pallido-fusca: 

 labro acuto, sinuoso ; columella inferne incrassata et contorta. 



Hab. , Alabama? J. C. Jay, M. D. 



Trypanostoma Spillmanii. Testa, laevi, regulariter conica, tenebroso-oliva ; 

 spira elevata; suturis regulariter impressis ; anfractibus instar novenis, planu- 

 latis ; apertura parviuscula, rbomboidea, intus albida, interdum vittata; labro 

 acuto, sinuoso; columella alba et valde contorta. 



Hab. Noxubee River, Miss., W. Spillman, M. D. ; and Tenn., J.Clark. 



Trypanostoma Christyi. Testa laevi, elevato-conica, crassiuscula, cornea, 

 raro vittata; spira, valde elevata; suturis regulariter impressis; anfractibus 

 instar denis, parum convexis; apertura parva, subrbomboidea, intus albida : 

 labro acuto, sinuoso ; columella alba et contorta. 



Hab. Cane Creek, Tenn., Prof. D. Christy. 



Trypanostoma labiatum. Testa, lasvi, acuto-conica, subcrassa, nitida, virido- 

 cornea : spira attenuata, mucronata ; suturis regulariter impressis ; anfractibus 

 instar denis, convexiusculis, ad apicem carinatis, ultimo subgrandi ; apertura 

 parviuscula, rbomboidea, intus albida; labro acuto, jux'a marginem incrassato, 

 valde dilatato, valde sinuoso ; columella albida, inferne incrassata et valde 

 contorta. 



Hab. Big Miami River, Ohio, J. Clark. 



Trypanostoma Whitei. Testa laevi, attenuato-conica, crassiuscula, tenebro- 

 so-cornea ; spira valde elevata; suturis regulariter impressis; anfractibus 

 instar novenis, convexiusculis ; apertura parva, subrbomboidea, intus albida ; 

 labro acuto, sinuoso ; columella inferne incrassata et contorta. 



Hab. Lafayette co. and Marietta, Ga. ; Rev. G. White. Farland's Creek, 

 Mississippi, Dr. Spillman ; and Tenn., J. G. Anthony. 



Trypanostoma Estabrookii. Testa laevi, attenuato-conica, subtenui, cornea ; 

 spira valde elevata, superne carinata ; suturis regulariter impressis; anfracti- 

 bus instar denis, convexis ; apertura parva, subrbomboidea, inlus albida; labro 

 acuto, subsinuoso ; columella alba et contorta. 



Hab. East Tennessee, President Estabrook and Bishop Elliott. Near Cleve- 

 land, Tenn., Prof. Christy ; and Monroe co., Tenn., J. Clark. 



Trypanostoma Knoxvillense. Testa lrevi, subulari, subtenui, pallido-cor- 

 nea; spira attenuato-conica, mucronata; suturis regulariter impressis ; anfracti- 

 bus denis, convexiusculis, ad apicem carinatis, ultimo subconstricto ; apertura 



1862.] 



