ANOULOTUS.— Plate I. 



The file Anculotus. Shell globosely ovate, thick, 

 rather ponderous, olive, sometimes green-banded, 

 purple-stained within, spire rather short, whorls con- 

 vex, encircled round the middle and upper part with 

 rows of wart-like nodules, aperture ovate, sinuated 

 at both ends, columella twisted. 

 Melania lima, Conrad, Freshwater Shells, p. 54. pi. 8. f. 8. 

 Hab. Alabama, United States. 



A neat globose vvart-noduled species, with a purple- 

 stained aperture, strikingly sinuately effused both above 

 and below. 



Species 6. (Mus. Cuming.) 



Anculotus salebbosus. Anc. testa ovatd, crassa,fa- 

 vescente-olivaced, viridi-fasoiatd, unfractibus convexis, 

 superne rude angulatis, ad unguium valide irregulariter 

 tuber culatis, aperturd ovatd, supra sinuatd, infra ro- 

 tundatd, columella calloso-arcuatd. 



The rugged Anculotus. Shell ovate, thick, yellowish- 

 olive, banded with green, whorls convex, rudely 

 angled at the upper part, strongly irregularly tuber- 

 cled on the angle, aperture ovate, sinuated above, 

 rounded below, columella callously arched. 



Melania salebrosa, Conrad, Freshwater Shells, pi. 4. f. 5. 



Hub. Alabama, United States. 



Very rudely tubercled and encircled with bright green 

 bands, one of which is conspicuous in the place of the su- 

 ture. 



Species 7. (Mus. Cuming.) 



Anculotus geniculatus. Anc. testa subquadrato-glo- 

 bosd, crassd, ponderosd, J/avesceute-olivaced, obscure 

 viridi-fasciatd, spird brevissimd, unfractibus convexis, 

 superne late angulatis, ad unguium, perumpliter tuber- 

 culatis, columella callosd, excavatd, appresse atte.nuatd, 

 aperturd ovatd. ad basin subcanaliculatd. 



The knotty Anculotus. Shell somewhat squarely glo- 

 bose, thick, ponderous, yellowish-olive, obscurely 

 green-banded, spire very short, whorls convex, broadly 

 angled round the upper part, very largely tubercled 

 at the angle, columella callous, excavated, appressly 

 attenuated, aperture ovate, slightly channelled at the 

 base. 



Lithasia geniculata, Haldeman, Mon. Supp. p. 1. 



Hab. Tennessee, United States. 



A remarkably solidly tubercled shell, canaliculately at- 

 tenuated at the base. 



Species 8. (Mus. Cuming.) 

 Anculotus Gkiffithsianus. Anc. testa couico-ovatd, 

 subobtusd, crassd, fuscescente-olivaced, viridi obscure 

 maculatd, columella purpureo tincld, unfractibus 



oblique declivibus, undique valide liratis et sulcatis, 



aperturd effusd, ad basin rotundatd. 

 Griffiths's Anculotus. Shell conically ovate, rather 



obtuse, thick, brownish-olive, obscurely spotted with 



green, columella purple-stained, whorls obliquely 



sloping, strongly ridged and grooved throughout, 



aperture effused, rounded at the base. 

 Lea, Proceedings American Phil. Soc. vol. ii. p. 83. 



Melania compacla, Anthony. 

 Hab. Alabama, United States. 



Chiefly distinguished by its slopingly oblique growth, 

 strongly ridged and grooved sculpture, and purple-stained 

 columella, behind which there is sometimes a distinct um- 

 bilical depression. 



Species 9. (Mus. Cuming.) 



Anculotus corpulentus. Anc. testa ovatd, fulvo-vi- 

 rente, nitente, olivaced, purpureo-fasciatd, spird co- 

 nicd, unfractibus oblique declivibus, Imvibus, ad margi- 

 nem rotundatis, suturis impressis, aperturd rotundato - 

 ovatd, oblique effusd, superne subsinuatd, columella 

 appresse arcuatd. 



The bulky Anculotus. Shell ovate, fulvous-green, 

 shining, purple-banded, spire conical, whorls ob- 

 liquely sloping, smooth, rounded at the margin, su- 

 tures impressed, aperture rotundately ovate, obliquely 

 effused, slightly sinuated at the upper part, columella 

 appressly arched. 



Melania corpulen la, Ann. Lye. Nat. Hist. New York, 1854, 

 p. 127. pi. 3. f. 28. 



Hab. Dan Itiver, North Carolina, United States. 



Characterized by an obliquely effused growth and shin- 

 ing fulvous-green epidermis, through which may be seen 

 the purple bands passing through to the interior. 



Species 10. (Mus. Cuming.) 



Anculotus subglobosus. Anc. testa conico-globosd, fla- 



vescente-olivaced, viridi bifasciatd, spird brevissimd, 

 anfractibus declivi -convexis, superne oblusis, Icevibus, 

 aperturd suborbiculari, columella brevi, arcuatd. 



The subglobose Anculotus. Shell conically globose, 

 yellowish-olive, encircled with two green bands, spire 

 very short, whorls slopingly convex, obtuse round the 

 upper part, smooth, aperture suborbicular, columella 

 short, arched. 



Melania subglobosa, Say, Journ. Acad. Nat. Sci. Philadel- 

 phia, vol. v. p. 128. 



Hab. Tennessee, United States. 



An obtuse obliquely sloping subglobose shell, with a 

 nearly rounded aperture, impressed behind the columella 

 as though umbilieated. 



