MELANIA. 



Plate XLI. 



Species 291. (Mus. Cuming.) 



Melania vicina. Mel. testa conico-ovatd, subventricosd, 

 olivaced, anfractibus quinque ad sex,declivi-convexis, su- 

 pra infraqrue obsolete tumido-angulatis, oblique striatis ; 

 aperturd ovatd, columella ad basin tenue effusd. 



The neighbouring Melania. Shell conically ovate, 

 rather ventricose, olive, whorls five to six, slopingly 

 convex, obsoletely tumidly angled above and below, 

 obliquely striated ; aperture ovate, columella thinly 

 effused at the base. 



Anthony, Ann. Lye. Nat. Hist. 1S51, p. 114. 



Hub. Alabama, United States. 



There is an obscure tumid angulation about the upper 

 and lower parts of the whorls of this species which is cha- 

 racteristic. 



Species 292. (Mus. Cuming.) 



Melania decora.. Mel. testa acuminaio-turritd, fus- 

 cescente-olivaced, ad suturas pallida, anfractibus no- 

 veui ad decern, convexis, rude plicaio-costatis, priniis 

 puueis medio carinatis ; aperturd ovatd, pared, colu- 

 mella ad basin tenue effusd. 



The graceful Melania. Shell acuminately turreted, 

 brownish-olive, pale at the sutures, whorls nine to ten, 

 convex, rudely plicately ribbed, the first few keeled in 

 the middle ; aperture ovate, small, columella thinly 

 effused at the base. 



Lea, Trans. Amer. Phil. Soc. vol. viii. pi. G. f. 38. 



Hub. Niagara, United States. 



Ribbed longitudinally in rather a rude tubercular man- 

 ner, the ribs disappearing on the last whorl. 



Species 293. (Mus. Cuming.) 



Melania caliginosa. Mel. testa pyramidali-conicd, ni- 

 gricanie-o/i raced, aufrac/ibu.s unrein ad decern , declici- 

 bus, longitudinaliter varicoso-costatis, transversim li- 

 ratis et sulcatis, suturis impressis .■ aperturd ovatd, 

 pa rviusculd, fauce violaceo-purpureii , columella subin- 

 curvd, ad basin appresse effusd. 



The dark Melania. Shell pyramidally conical, blackish- 

 olive, whorls nine to ten, sloping, longitudinally 

 varicosely ribbed, transversely ridged and grooved, 

 sutures impressed ; aperture ovate, rather small, in- 



terior violet-purple, columella rather incurved, ap- 



pressly effused at the base. 

 Lea, Trans. Amer. Phil. Soc. vol. viii. pi. 6. f. 56. 

 Hab. United States. 



A dark greenish-olive, varicosely ribbed shell, distin- 

 guished by a dark violet-purple interior. 



Pig. 291. (Mus. Cuming.) 



The shell here figured proves to be a faintly-marked va- 

 riety of the Mexican M. ScMedeana, described at Plate XV . 

 Sp. 101. 



Species 295. (Mus. Cuming.) 



Melania Potosiensis. Mel. testa acuminato-conicd, 

 ustulato-olivaced, .yard elevatd, anfractibus decern, de- 

 clivi-conre.ris, undique heribus ; aperturd ovatd, fauce 

 purpurascente, columella tenue reflexd. 



The Potosi Melania. Shell acuminately conical, 

 burnt-olive, spire raised, whorls ten, slopingly 

 convex, smooth throughout ; aperture ovate, purplish 

 within, columella thinly reflected. 



Lea, Trans. Amer. Phil. Soc. vol. viii. pi. 6. f. tj. 



Hab. Potosi, Missouri, United States. 



There is no sculpture whatever in this species, and the 

 aperture and columella are coloured a delicate reddish- 

 purple. 



Species 296. (Mus. Cuming.) 



Melania intertexta. Mel. testa acuminato-turritd, 

 cireule-olivaced, ad sutitras flavicante, anfractibus uo- 

 vem ad decern, declivi-convexis, longitudinaliter breci- 

 plicatis, spiraliter multiliratk, lira mediand prominen- 



tiore ; aperturd ovatd, columella ad basin tenue efusa 

 The woven Melania. Shell acuminately turreted, green- 

 ish-olive, yellowish at the sutures, whorls nine to ten, 

 slopingly convex, longitudinally shortly plicated, spi- 

 rally many-ridged, the middle ridge more prominent ; 

 aperture ovate, columella thinly effused at the base. 

 Anthony, Pro. Acad. Nat. Sci. Philadelphia, I860, p. (12. 

 Hab. Tennessee, United States. 



The longitudinally plicated sculpture of this specie* is 

 short and somewhat rude; the spiral ridges or keels vary 

 much in strength of development. 



September, 1860. 



