MELANTHO. 289 



Oenus MELANTHO, Bowditch. 1822. 



Shell thick, solid, ovate, imperforate, spire produced ; whorls 

 rounded, smooth, covered with an olivaceous epidermis ; peristome 

 simple, continuous. 



Melantho decisa. 



Figure (see woodcut, p. 144 of 1st cd.). 



Shell sub-conic, thick and strong, olivaceous ; whorls five, convex, covered 

 with minute, revolving lines, eroded at tip ; aperture ovate, half the length of 

 the shell, bluish within ; umbilicus none. 



Limncva decisa, Say, Nich. Encycl. ed. 1, 1817 ; 2d cd. 1818, pi. 3, fig. 6. 



Paludtna decisa, Say, 1817, Nich Enc3'cl. pi. 3, fig. 6 (Limna'a of earlier editions) ; Amer. 

 Conch, i. pi. 10 (1830) ; ed. Binney, 49, 159, pi. 10, fig. 1 ; pi. 70, fig. 6 ; ed. Chen0, 

 le, pi. 2, fig. 5. — Philippi, Conch, iii. 3, pi. 1, fig. 8 (1848). — Haldeman, Men. 4, 

 pi. 1 (1840). — Gould, Inv. of Mass. 1st ed. 227, woodcut, p. 144 (1841). — Ada.ms, 

 in Thompson's Hist, of Vermont, 151, fig. (1842). -De Kay, N. Y. Moll. 84, pi. 6, 

 fig. 131 ; pL 7, 134 (1843). — Chenu, 111. Conch, i. figs. 1-.5. — Mrs. Gray, Fig. 

 Moll. An. pi. 310, fig. 10. — PoTiEZ et Michaud, Gall, des Moll. i. 247, pi. 25, figs. 

 13^ 14. — KusTER in Chemn. 2d ed. 13, pi. 2, figs. 14 - 19. — Reeve, Con. Icon. 45, 

 a, c, d, excl. 45 6 (P. ponderosa). Mar. 1863. 



Melanin ocularis, Menke, Syn. Meth. 134, teste Kuster. 



Puludlna llmosa, Valenciennes, Rec. d'Obs. ii. 253, 1833, teste KiJSTER and Halde- 

 man. 



Paludlna ponderosa, jun., Deshayes in Lam. viii. 516 (1838) ; ed. 3, iii. 455. 



Paludlna heterostropha, Kiutland, Ohio Rep. 175 (1838). — Tappan, Am. Joui-n. Sc. [i.] 

 XXXV. 269, pi. 3, fig. 2, 1839. 



Paludlna microstoma, Kirtland, Ohio Rep. 175 (ISIS). 



Paludlna riifa, Haldeman, Mon. iii. p. 3 of wrapper, pi. 3, fig 1 (1841), 15. 



Paludlna cornea, Valenciennes ? Rcc. d'Obs. ii. 255, 18.?3. 



Paludlna Integra, Say, 1821 ; Binney's ed 69; Journ A. N Sc. ii. 174 (1821). — Hal- 

 deman, Mon. 10, pi. 3 (1840). — Adams, in Thompson's Vermont, 15-2 (1842). — 

 De Kay, N. Y. Moll. 84, pi. 7, fig. 132 (1843). — Koster, Chemn. 2d ed. 17, t. 3, 

 figs 11 -13. — CiiENU, 111. Conch, pi. 1, figs. 9-13. — Philippi, Conch, iii. 4, pi. 

 l,fig. 7 (1848). 



Paludlna e/cnlcula, Conrad, N Fr. ^Y. Shells, 48, pi. 8, fig. 3, 1834 ; ed. Chenu, 23, pi. 

 4, fig. 20. — Kuster in Chemn. 2d cd. 14, pi. 3, figs. 5, 6 (1852). — Mijller, Syn. 

 Test, in 1834 prom. p. 39. — Haldeman, Mon. 15, pi. 5 (1840). — De Kay, N. Y. 

 Moll. 86 (1843). — Chenu, lUust. Conch, pi. I, figs. 18, 19. 



Paludlna he.ros, De Kay, olim, N. Y. Prel. Rep. 1839, p. 32 ; Moll. 85 (1843). 



Paludlna decapltata, Anthony, Proc. A. N. S. Phila. 1860, p. 71. — Reeve, Con. Icon, 

 pi. 11, fig. 75 (1863). 



Paludlna mllesll. Lea, Proc Phila. Acad. Nat. Sc. 1863, 156. 



Helix disslmllls. Wood, Ind. Suppl. pi. 7, fig. 18 (1828) ; Hanley's ed. 226 (1856). 



Helix decisa, Eaton, Zool. Text-Book, 196 (1826). 



Lymrula rentrlcosa, Rafinesque, MSS. 



Ambloxls (Aniblostoma) major, Rafinesque, MSS. 

 19 



