NATURAL SCIENCES OP PHILADELPHIA. 155 



tata ; spira parum exserta ; suturis irregulariter impressis ; apertura parvi- 

 uscula, subovata, intus albida; labro acuto, valde sinuoso ; columella alba et 

 valde contorta. 

 Bab. Falls of the Ohio at Louisville, "W. H. DeCamp, M. D. 



Goniobasis Louisvillensis. Testa lcevi, fusiformi, tenebroso-cornea, evit- 

 tata ; spira curta, ; suturis irregulariter impressis ; anfractibus instar quinis, 

 subconvexis ; apertura, subgrandi, longo-elliptica, intus alba; labro acuto, vix 

 sinuoso ; columella alba, superne incrassata, aliquanto contorta. 



Hab. Falls of the Ohio at Louisville, W. H. DeCamp, M. D. 



Goniobasis infantula. Testa lasvi, fusiformi, tenebroso-cornea, valde vit- 

 tata; spira curta; suturis vix impressis ; anfractibus quinis, superne planula- 

 tis; apertura subgrandi, ovata, intus vittata; labro acuto, vix sinuoso ; colu- 

 mella purpurea, incrassata et contorta. 



Hab. Falls of the Ohio at Louisville, W. H. DeCamp, M. D. 



Goniobasis aterina. Testa, lasvi, subfusiformi, atra vel virido atra,, crassius- 

 cula ; spira obtusa ; suturis regulariter impressis ; anfractibus senis, con- 

 vexiusculis ; apertura subgrandi, subovata, intus purpurea, aliquanto albida ; 

 labro acuto, vix sinuoso ; columella inflecta, purpurea, incrassata et contorta. 



Hab.Q&v Spring, Cumberland Gap ; and Rogers' Spring, West of Fin- 

 castle, East Tennessee, Capt. S. S. Lyon, U. S. Army. 



Goniobasis pobrecta. Testa striata, attenuate, tenebroso-fusca, uno-vittata,; 

 spira attenuate, acuminata; suturis valde impressis; anfractibus novenis, 

 planulatis ; apertura parva, ovata, intus albida vel tenebr^a ; labro acuto, 

 parum sinuoso; columella inflecta et contorta. 



Hab. Gap Creek and Spring, Cumberland Gap, East Tennessee, Capt. S. S. 

 Lyon, U. S. Army. 



Goniobasis vittatella. Testa laevi vel subcarinata, conoidea, tenebroso- 

 fusca, uno-vittata. ; spira subacuminata ; suturis linearibus ; anfractibus octo- 

 nis, planulatis ; apertura parva, subrhomboidea, intus tenebrosa ; labro acuto, 

 parum sinuoso ; columella inflecta et contorta. 



Hah. Cumberland Gap, East Tennessee, Capt. S. S.Lyon, TJ. S. Army. 



Goniobasis Cumbeklandiensis. Testa, laevi, acuminato-conoidea, subtenui, 

 rufo-fusca, ; spira subelevata ; suturis regulariter impressis ; anfractibus octonis, 

 convexiusculis; apertura parviuscula, subrhomboidea, intus albida vel pur- 

 purescente ; labro acuto, parum sinuoso ; columella albida vel purpurea, in- 

 flecta et contorta. 



Hab. Gap Spring, Cumberland Gap, Capt. Lyon; and Knoxville, Tennessee, 

 Wm. Spillman, M. D. 



Trypanostoma Currierandm. Testa carinata, valde attenuata, tenebroso- 

 fusco-vittata ; spira valde exserta ; suturis linearibus, vix impressis ; anfrac- 

 tibus, instar denis, planulatis ; apertura parva, rhomboidea, intus vittata ; 

 labro acuto, valde sinuoso ; columella albida et valde contorta. 



#a6._Florence, Alabama, W. H. DeCamp, M. D. 



Trypanostoma Lyonii. Testa laevi, conica, virido-cornea, evittata, ; spira. 

 subelevata ; suturis impressis ; anfractibus instar senis, convexis ; apertura 

 parviuscula, rhomboidea, intus albida ; labro acuto, valde sinuoso ; columella 

 alba, inferne incrassata et contorta. 



Hab. Cumberland River, near the Ford and Big Creek, south of Cumberland 

 Gap, East Tennessee, Capt. Lyon, U. S. Army. 



Trypanostoma curtatcm. Testa lsevi, pyramidata, luteola, crassa ; spira 

 obtusa ; sujturis irregulariter impressis ; anfractibus instar septenis, planulatis, 



1863.] 



