MELANIA.— Plate LVIII. 



Charrey's Melania. Shell acuminately conical, solid, 

 minutely umbilicated, yellowish-green, whitish at the 

 sutures, whorls seven to eight, smooth, rather ven- 

 tricose, contracted towards the aperture; aperture 

 small, rotundately ovate, with the margin entire, re- 

 flected, slightly sinuated above and below, faintly 

 tinged with livid-purple. 



Morelet, Moll. Terr, et Fluv. du Portugal, p. 97. pi. 7. 

 f. 5. 



Hab. Portugal (in the lagunes of "Villa Reale and brackish 

 swamps of the Tagus) ; Morelet. 



A characteristic solid shell, with a rather contracted 

 aperture, partaking of the forms of Bithinia and Assiminea. 

 The animal, M. Morelet says, affects brackish rather than 

 fresh water, in company with Auricula and certain Palu- 

 dina. 



Species 462. (Mus. Cuming.) 



Melania curvicostata. Mel. testa ovato-turritd, livido- 

 olivaced, versus apicem lined rufescente cingulatd, an- 

 fractibus convexis, longitudinaliter plicalo-costatis, cos- 

 tis curvaiis, versus aperturam gradatim evanidis ; 

 aperturd ovatd, ad basin subeffusd, fauce purpuras- 

 cente. 



The curved-ribbed Melania. Shell ovately turreted, 

 livid-olive, encircled towards the apes with a reddish 

 line, whorls convex, longitudinally plicately ribbed, 

 ribs curved, gradually fading towards the aperture ; 

 aperture ovate, slightly effused at the base, interior 

 tingea with purple. 



Anthony, MS. in Mus. Cuming. 



Hab. Florida, United States. 



"This species," says Mr. Anthony, to whom it was sent 

 for examination, " is, I think, entirely new, and a beauti- 

 ful one it is, too ; call it curvicostata." 



Species 463. (Mus. Anthony.) 



Melania nigrostoma. Mel. testa conico-ovald, intus 

 extusque intense purpureo-nigrd, anfractibus quinque, 

 plano-declivibus, Icevibus, ultimo subobeso, medio obtuse 

 angulato ; aperturd ovatd. 



The black-mouth Melania. Shell conically ovate, 

 deep purple-black within and without, whorls five, 

 flatly sloping, smooth, the last rather stout, obtusely- 

 angled in the middle ; aperture ovate. 



Anthony, MS. 



Hab. ? 



A dense purple-black species, received from Mr. Anthony 

 with the above name, without habitat. 



Species 464. (Mus. Anthony.) 



Melania assimilis. Mel. testa ovatd, luteo-olivaced, 

 spird pyramidali-turritd, anfractibus sex, concavo-de- 

 clivibus, lavibus, delude acute carinatis ; aperturd 

 ovatd, ad basin subeffusd. 



The allied Melania. Shell ovate, yellowish-olive, 

 spire pyramidally turreted, whorls six, concavely 

 slanting, smooth, then sharply keeled ; aperture ovate, 

 slightly effused at the base. 



Anthony, Pro. Acad. Nat. Sci. Philadelphia, 1860, p. 60. 



Hab. Tennessee, United States. 



A delicate yellowish-olive shell, characteristically pyra- 

 midally keeled throughout. 



Species 465. (Mus. Cuming.) 



Melania densicostata. Mel. testa subulato-turritd, 

 nstulalo-olwaced, anfractibus octo ad novem, subpla- 

 uulalis, longitudinaliter dense plicato-costatis, ultimo 

 obtuse angulato ; aperturd parviusculd, ovatd, fauce 

 pallidissime purpurascente. 



The thick-kibbed Melania. Shell subulately turreted, 

 burnt-olive, whorls eight to nine, rather flat, longitu- 

 dinally densely plicately ribbed, the last obtusely 

 angled ; aperture rather small, ovate, interior very 

 faintly tinged with purple. 



Hab. Florida, United States. 



This interesting little species is of the same type as M. 

 curvicostata, just described, but the ribs are stout and com- 

 paratively straight, ending abruptly on an obtuse angle of 

 the last whorl. 



