M E L A N I A . 



Plate XLIX. 



Species 366. (Mus. Cuming.) 



Melania corolla. Mel. testa ovatd, tenui, pettucidd, 

 pallida olivaced, anfractibus quinque ad sex, superne 



late angulatis, ad angulum spinosis; aperturd snb- 

 quadrato-ovatd. 



The corolla Melania. Shell ovate, thin, transparent, 

 pale olive, whorls five to six, broadly angled round 

 the upper part, spined at the angle ; aperture some- 

 what squarely ovate. 



Gould, Pro. Nat. Hist. Soc. Boston, U. 8., vol. ii. p. 223. 



Hob. ? 



A minute semitransparent broadly angled shell, finely 

 spined at. the angle. 



Species 368. (Mus. Cuming.) 



Melania semicarinata. Mel. testa subulato-conicd, 

 olivaced, anfractibus septem ad octo, rotundatis, longi- 

 tudinaliter plicato-striatis, primis perpaitcis teuue cari- 

 uatis ; aperturd roluudato-ovatd. 



The half-keeled Melania. Shell subulately conical, 

 olive, whorls seven to eight, rounded, longitudinally 

 plicately striated, first few finely keeled ; aperture 

 rotundately ovate. 



Say, Amer. Conch., pi. 47. f. 4. 



Hab. United States. 



A small shell of very simple character. 



Species 369. (Mus. Cuming.) 



Melania gracilis. Mel. testa cylindraceo-acuminatd, 

 solidiusculd, livido-olivaced, ad suturas luteseente, an- 

 fractibus septem, plano-declivibus ; aperturd parvius- 

 culd, subcallosd, violaceo-purpiired. 



Species 367. (Mus. Cuming.) 



Melania nigrina. Mel. testa subulato-conicd, ustulato- 

 vigrd, nitente, anfractibus paucis, lavibus, rotundatis; 

 aperturd parvd, semilunari, purpureo-nigrd. 



The dingy Melania. Shell subulately conical, burnt- 

 black, shining, whorls few, smooth, rounded ; aper- 

 ture small, semilunar, purple-black. 



Lea, MS. in Mus. Cuming. 



Hab. Shasta, California. 



A small shining purple-black shell of few whorls. 



The graceful Melania. Shell cylindrically acumi- 

 nated, rather solid, livid-olive, yellowish at the su- 

 tures, whorls seven, flatly sloping; aperture rather 

 small, rather callous, violet-purple. 



Lea, Trans. Amer. Soc, vol. viii. pi. 5. f. 11. 



Hab. Tennessee, United States. 



The peculiar colouring of this species is like that of M. 



angusta, but the shell is composed of fewer whorls and is 



of a more compactly sloping cylindrical form. 



Species 370. (Mus. Cuming.) 



Melania torulosa. Mel. testa ovatd, spird acuminato- 

 turritd, olivaced, anfractibus septem ad octo, superne 

 concavis, delude validissime carinatis ; aperturd ovatd, 

 fauce purpurascente. 



The corded Melania. Shell ovate, spire acuminately 

 turreted, olive, whorls seven to eight, concave round 

 the upper part, then very strongly keeled ; aperture 

 ovate, purplish in the interior. 



Anthony, Ann. Lye. Nat. Hist. 1854, p. 110. pi. 3. f 10. 



Hab. Tennessee, United States. 



The keel of this species, though fading on the last 

 whorl, is developed with remarkable force upwards to the 

 apex. 



Species 371. (Mus. Cuming.) 



Melania intensa. Mel. testa acuminata, purpureo- 

 nigrd, anfractibus decern, piano- convexis, supra suturas 

 unicariuatis, ultimo ad basin subangulatis et lira/is , 

 aperturd parviusculd, purpureo-nigrd. 



The dark Melania. Shell acuminated, purple-black, 

 whorls ten, flatly convex, encircled with a keel above 

 the sutures, last whorl slightly angled and ridged at 

 the base ; aperture rather small, purple-black. 



Anthony, MS. in Mus. Cuming. 



Hab. United States. 



A very characteristic purple-black shell, encircled by a 

 keel so near to the suture as to give them an appearance 

 of being more than usually excavated. 



December, 1860. 



