M E L A N I A 



Plate LVIII. 



Species 456. (Mus. Anthony.) 



Melania corneola. Mel. testa, conico-ovatd, sulfusi- 

 formi, fiavescente, olivaceo-virenle pallide fasciatd, an- 

 fraetibus quatuor ad qviuque, declivi-eonvexis, obsolete 

 oblique nodoso-plicatis, delude tumidiusoulis ; aperturd 

 ovatd, columella appressd, parum rejlexd. 



The horny Melania. Shell conically ovate, some- 

 what fusiform, yellowish, faintly banded with olive- 

 green, whorls four to five, slopingly convex, obso- 

 letely obliquely nodosely plicated, then rather swollen ; 

 aperture ovate, columella appressed, but little re- 

 flected. 



Anthony, Pro. Acad. Nat. Sci. Philadelphia, 1860, p. 61. 



Hah. Alabama, United States. 



A bright little fusiformly-ovate shell, faintly obliquely 

 plicated. 



Species 457. (Mus. Cuming.) 



Melania crenatella. Mel. testa ovato-tumtd, oliva- 

 ceo-nigrd, anfraetibus panels, liris prominentibus, in- 

 terstiiiis subexcavatis, undique spiraliter funieulatis, 

 anfraetibus primis oblique nodoso-plicatis ; aperturd 

 pared, ovatd, ad basin miuutissime sinuald. 



The crenated Melania. Shell ovately turreted, olive- 

 black, whorls few, spirally corded throughout with 

 prominent ridges, the interstices between which are 

 excavated, the first whorls obliquely nodosely pli- 

 cated ; aperture small, ovate, very minutely sinuated 

 at the base. 



Lea, MS. in Mus. Anthony. 



Had. Tennessee, United States. 



Chiefly distinguished by its strongly defined sculpture 



of transverse grooves and ridges. 



Species 458. (Mus. Anthony.) 

 Melania cognata. Mel. testa ocatd, tumidiuseuld, vi- 

 rmte-olivaced, nigricaute trizonatd, anfraetibus quatuor 

 ad quinque, declivi-convexis, lavibus, ultimo multo ma- 

 jore ; aperturd ovatd, subampld. 

 The cognate Melania. Shell ovate, rather swollen, 

 greenish-olive, encircled with three blackish zones, 

 whorls four to five, slopingly convex, smooth, the 

 last much the larger; aperture ovate, rather large. 

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



Rah. Tennessee, United States. 



Though a moderately thick shell, the last whorl is much 

 inflated in proportion to the others. 



Species 459. (Mus. Anthony.) 



Melania laevigata. Mel. testa subulatd, pellucido-oli- 

 vaced, lined rufo-fuscd eiugulald, anfraetibus octo ad 

 novem, plano-convexis, lavibus vet arcuato-striatis, ul- 

 timo medio angulato ; aperturd parviusculd, labro 

 sinuato, columella contorlo-productd et effusd. 



The smooth Melania. Shell subulate, transparent- 

 olive, encircled with a red-brown line, whorls eight to 

 nine, flatly convex, smooth or arcuately striated, tin- 

 last angled round the middle ; aperture rather small, 

 lip sinuated, columella twistedly produced and effused. 



Lea, Trans. Amer. Phil. Soc. vol. viii. pi. 5. f. 3. 



Hob. Alabama, United States. 



A rather sharply subulate transparent-olive shell, en- 

 circled throughout with a red-brown line. 



Species 460. (Mus. Morelet.) 



Melania EXIGUA. Mel. testa ocafu-turrild, Scalarifurmi. 



anfraetibus sex, subrotundatis, longitudinaliter plicalo- 



costatis, costis juxta suturas evanidis; aperturd pared. 



rotundato-ovatd, labro columellari tenue rejlexo. 

 The little Melania. Shell ovately turreted, Scalaria- 



like, whorls six, somewhat rounded, longitudinally 



plicately ribbed, ribs disappearing next the sutures ; 



aperture small, rotundately ovate, columellar lip 



thinly reflected. 

 Morelet, Test. Nov. Amer. Cent. p. 2. 

 Hab. Lac de Flores, Peteu, Guatemala ; Morelet. 



I am unable to describe the colour of this pretty little 

 Scalaria-\ike species, as all the specimens collected bv M. 

 Morelet in the above lake are dead and bleached. 



Species 461. (Mus. Morelet.) 



Melania Charreyi. Mel. testa acuminato-conicd, solidu, 



minute umbilicatd, luleo-virescente, ad suturas albidd, 

 anfraetibus septem ad octo. lavibus, ultimo venlricosi- 

 usculo, versus aperturam contraclo ; aperturd parvd, 

 rotundato-ovatd, margine integro, rtjlexo, utriuque sub- 

 sinuato, livido-purpiurascenle pallidissime tinclo. 



May, 1861. 



