360 



Anthony, and which he had described at the request of that 

 gentleman, who was prevented from doing so by disease of 

 the eyes. 



Melania nucleola. T. parva, solida, detruncata, subglobosa 

 vel sub-cylindracea, Isevi, virescente fasciis duabus saturatoribus 

 cincta ; anfr. 2-3 ventricosis, ultimo demum cylindraceo ; aper- 

 tura semilunari, labro antice dilatato, postice incrassato ; colu- 

 mella callo copioso induta. Long. ^ ; lat. f poll. Hab. Ten- 

 nessee. 



Belongs to a group of solid, ellipsoidal species peculiar to the 

 region of Lower Tennessee and Alabama. It has a very sparing 

 development of the spire, and a remarkable flattening about the 

 middle of the last whorl. 



Melania densa. T. solida, elongato-ovata, acuminata, dilute 

 olivacea ; spira prod ucta, anfr. 6-7 ventricosis, postice angu- 

 latis, supernis minusculis, ultimo sub-cylindraceo f long, testse 

 adequante ; apertura anguste ovata, vix effusa, antice rotundata ; 

 columella valde callosa ; fauce livescente. Long. |-; lat. f poll. 

 Hab. Maury's Creek, Tennessee. 



Somewhat like M. basalis, Lea. The shelving of the whorls, 

 towards the suture and the acumination of the spire are among 

 its most striking characters. 



Melania abbreviata. T. parva, ovato-conica, turrita, soli- 

 dula, cornea, acuminata ; anfr. 5 tabulatis, ultimo compresso ; 

 apertura rotundato-ovata, contorta, labro antice dilatato, postice 

 late sinuato. Long. ^ ; lat. ^ poll. Inhabits Maury's Creek, 

 Tennessee. 



A peculiar shell, though not easily characterized. Its abbre- 

 viated form, shouldered whorls, and compression of the last 

 whorl are among its peculiarities. 



Melania inoknata. T. modica, solidiuscula, ovato-lanceo- 

 lata, simplici, luteo-virescente postice saturatiori ad suturam 

 pallidiori ; anfr. ad 8 convexis, apicalibus carinatis, ultimo f long. 

 testEB adequante ; apertura trientem long, testse, anguste lunata, 

 antice subacuta, producta ; columella angusta, antice callosa ; 

 fauce albida. Long. ^ ; lat. -^^ poll. Inhabits Lorrain Co., 

 Ohio. 



