M EL A N I A. 



Plate XLVIII. 



Species 350. (Mus. Cuming.) 



Melania Clarkei. Mel. testa subacute subulatd, oli- 

 vaced, anfractibus undecim ad duudecim, primis paucis 

 spiraliter liratis, suturis undique canaliculatis ,• aper- 

 turd parviusculd, oblongd, ad basin paululum effusd. 



Clarke's Melania. Shell rather sharply subulate, olive, 

 whorls eleven to twelve, the first few spirally ridged, 

 sutures throughout channelled ; aperture rather small, 

 oblong, a little effused at the base. 



Lea, Trans. Amer. Phil. Soc. vol. x. pi. 30. f. 4. 



Had. Tennessee, United States. 



A narrow subulate shell, of which the earlier whorls are 

 spirally ridged and even slightly keeled, whilst the sutures 

 are excavately channelled throughout. 



Species 357. (Mus. Cuming.) 



Melania larvjeformis. Mel. testa conico-ovatd, oli- 

 vaced, anfractibus sex ad septem, l&oibus, primis per- 

 paucis minute carinatis ; aperturd ovatd. 



The larva-shaped Melania. Shell conically ovate, 

 olive, whorls six to seven, smooth, the first few 

 minutely keeled ; aperture ovate. 



Lea, MS. in Mus. Cuming. 



Hab. United States. 



Of few whorls, convex and smooth, but yet minutely 

 keeled near the apex. 



Species 358. (Mus. Cuming.) 



Melania Cubaniana. Mel. testa conico-ovatd, solidius- 

 culd, flavescente-olivaced, anfractibus sex ad septem, 

 declici-concexis, lavibus ; aperturd ovatd, ad basin 

 paululum effusd. 



The Cuba Melania. Shell conically ovate, rather solid, 

 yellowish-olive, whorls six to seven, slopingly convex, 

 smooth ; aperture ovate, a little eft'used at the base. 



D'Orbigny, MS. in Mus. Cuming. 



Hab. Cuba. 



Of a paler yellowish hue, more slopingly convex in 

 form, without any indication of the early keeled growth 

 so characteristic of the United States species. 



Species 359. (Mus. Cuming.) 



Melania angusta. Mel. testa acuminata, livido-olivaced, 

 ad suturas Jlavesceute, anfractibus mice,,/ ad decern, 

 Iambus, primis paucis declivi-planatis et carinatis ; 

 aperturd parviusculd, rotundato-ovatd, fauce pallide 

 violaceo-purpurdscente, subcallosd. 



The narrow Melania. Shell acuminated, livid-olive, 

 yellowish at the sutures, whorls nine to ten, smooth, 

 the first few slopingly flattened and keeled ; aperture 

 rather small, rotundately ovate, interior pale violet- 

 purple, rather callous. 



Anthony, MS. in Mus. Cuming. 



Hab. United States. 



This species, although it has the early keeled growth, 

 partakes in raaturer age of the character of the Pachijchei- 

 lus form of the genus. 



Species 360. (Mus. Cuming.) 



Melania costulata. Mel. testa subcylindraceo-oblongd, 

 virescente, tenuiculd, anfractibus septem, longitudina- 

 liter arcuatim plicalo-costalis, primis perpaucis cari- 

 natis, deinde cancel tutis, exinde liecitjatis; aperturd 

 ovatd, ad basin paululum effusd. 



The finely-ribbed Melania. Shell somewhat cylin- 

 drically oblong, pale-green, rather thin, whorls seven, 

 longitudinally arcuately plicately ribbed, the first few 

 whorls keeled, then cancellated, afterwards smooth ; 

 aperture ovate, a little effused at the base. 



Lea, Trans. Amer. Phil. Soc. vol. viii. p. 19. pi. 6. f. 39. 



Hab. Tennessee, United States. 



Longitudinally the whorls of this species are plicately 

 ribbed throughout in an arched concentric manner; trans- 

 versely they are first keeled, then cancellated, and lastly 

 smooth. 



Species 361. (Mus. Cuming.) 



Melania Kirtlandiana. Mel. testa obtuse subulatd, 

 olivaced, anfractibus septem ad oclo, longitudinaliter 

 undique plicato-striatis, primis perpaucis carinatis • 

 aperturd ovatd, ad basin paululum effusd. 



Kirtland's Melania. Shell obtusely subulate, olive, 

 whorls seven to eight, longitudinally plicately stri- 



Dccember, 1860. 



