MEL ANI A. 



Plate XL1I. 



Species 301. (Mus. Cuming.) 



Melania infrafasciata. Mel. testa pyramidali-tro- 

 choided, virente-olivaced aut fused, ad basin fascia 

 nitied nigricanle cinc/d, anfractibus octo ad novem, de- 

 clivi-concavis, arcuatim tenuistriatis, ultimo inferne 

 acute anyulato ; apertura ovatd, subangustd, columella 

 contorto-incurvd, ad basin effusd. 



The under-banded Melania. Shell pyramidally tro- 

 choid, greenish-olive or brown, encircled with a dark 

 band at the base, whorls eight to nine, slopingly con- 

 cave, finely arcuately striated, the last sharply angled 

 round the lower part ; aperture ovate, rather narrow, 

 columella twistedly incurved, effused at the base. 



Anthony, Pro. Acad. Nat. Sci. Philadelphia, 1860, p. 57. 



Hob. Tennessee, United States. 



A smooth, shining, trochoid shell, encircled with a con- 

 spicuous band below the angle of the last whorl.' 



Species 302. (Mus. Cuming.) 



Melania fastigiata. Mel. tesld fnsifurmi-pyramidali, 

 flavido-virente, fasciis duabus rufo-fuscis distantibus 

 cingulatd, anfractibus novem ad decern, declivi-planis, 

 primis paucis valitle carinatis, ceeteris licvibus; aper- 

 turd subauguste ovatd, columella reflexd, a J basin in- 

 curvd et canaliculato-effusd. 



The pointed Melania. Shell fusiformly pyramidal, 

 yellowish-green, encircled with two distant red-brown 

 bands, whorls nine to ten, slopingly flattened, the first 

 few strongly carinated, the rest smooth ; aperture ra- 

 ther narrowly ovate, columella reflected, incurved, 

 and canaliculately effused at the base. 



Anthony, Ann. Lye. Nat. Hist. New York, 1854, p. 113. 



Hab. Tennessee, United States. 



A shell of rather delicate substance, encircled through- 

 out with two distant red-brown bands. 



Species 303. (Mus. Cuming.) 

 Melania pyrenella. Mel. testa graciU-pyramitlali, 

 caslaneo-ol ivaced, ad suturas pallida, anfractibus decern 

 ad undecim, declivi-planatis aut concavis, lavibus, in- 

 fernl angulatis et .earinatis ; apertura ovatd, fauce 

 purpurea, columella contorto-incurvd, ad basin appresse 

 effusd. 



The olive-stone Melania, Shell slenderly pyramidal, 

 chestnut-olive, pale at the sutures, whorls ten to 

 eleven, slopingly flattened or concave, smooth, angled 

 and keeled round the lower parts ; aperture ovate, 

 purplish within, columella twistedly incurved, ap- 

 pressly effused at the base. 



Conrad, New Freshwater Shells, p. 52. pi. 8. f. 5. 



Hab. Alabama. 



A very sharply pyramidal shell, smooth and shining, 

 corded throughout above the sutures with a fine keel. 



Species 304. (Fig. a, b, Mus. Cuming.) 



Melania canaliculata. Mel. testa obeso-pyramidali, 

 subtrochoided, crassd, ponderosd, olivaced, anfractibus 

 novem ad undecim, decUvi-convexis, casta una, inter- 

 dam duabus, medio cingulalis ; apertura subanguste 

 ovatd, columella contorto-incurvd, callosd, ad basin <;/- 

 ftiso-cauatientald. 



The channelled Melania. Shell stoutly pyramidal, 

 somewhat trochoid, thick, heavy, olive, whorls nine 

 to eleven, slopingly convex, encircled round the middle 

 sometimes with one rib, sometimes with two; aperture 

 rather narrowly ovate, columella twistedly incurved, 

 callous, effusely channelled at the base. 



Say, Journ. Acad. Nat. Sci. Philadelphia, vol. ii. p. 175. 



Hab. Alabama, United States. 



A stout, pyramidally trochoid shell, encircled sometimes 

 with one revolving rib, sometimes with two, in which 

 latter case the whorls appear to be broadly channelled 

 throughout at the sutures. 



Species 305. (Mus. Cuming.) 



Melania elongata. Mel. tesld pyramidali-trochoided, 

 crassd, sordide olivaced, fasciis distant ibus nigris inter- 

 dum ciuctd, anfractibus novem ad decern, concavo-planis, 

 interdum valide tri-quadricarinatis, ultimo ad basin 

 semper carinato ; apertura abbreviato-ovatd, columella 

 callosd, contorto-incurvd, ad basin effuso-eanaliculatd. 



The elongated Melania. Shell pyramidally trochoid, 

 thick, dark-olive, sometimes encircled with two dis- 

 tant black bands, whorls nine to ten, concavely flat- 

 tened, sometimes strongly three- to four-keeled, last 

 whorl always keeled at the base; aperture shortly 



September, 1860. 



