HBLICID^E. 



74. Corilla erronea, Albers. 



Helix rivoli, Pfeiffer (non Deshayes), Mon. Helic. Viv. i, 1848, p. 407; 



Reeve, Conch. Icon, vii, 1852, pi. 78, fig. 413 ; Pfeifter, Conch.- 



Cab., Heliceen, ii, 1852, p. 238, pi. 112, figs. 16-19; iii, 1853, 



pi. 160, figs. 8-11, 14, 15. 

 Helix erronea. Albers, Zeits. Malak. x, 1853, p. 107; Kobelt, 



lllust. Conch. Buch, 1879, pi. (58, fig. 37 ; Brot, Journ. Conchyl. 



xii, 1864, pi. 2, figs. 7-9. 

 Anchistoma (Corilla) erroneum. Adams, Gen. Rec. Moll, ii, 1865, 



p. 208. 

 Corilla erronea, Frauenfeld, Verh. K. K. zool.-bot. Ges. xix, 1809, 



p. 876; Semper, Reisen Arch. Philippinen, Wiss. Res. 2, iii 



pi 



1896, p. 89, fig. 3, p. 90, fig. 7 (shell and armature). 

 Helix ( Corilla} erronea, Nevill, Hand List, i, 1878, p. 70. 

 Helix (Atopa} erronea, Try on, Man. Conch, ser. 2, iii, 1887, p. 157, 



pi. 33, figs. 19-21. 



Original description: "Testa latissiine umbilicata, oblongo- 

 discoidea, superne plana, irregulariter costulato-striata, f usca, basi 

 laevigata, fusco-olivacea, nitidissima ; anfractus 5, ultimus in 

 latere testae sinistro angustatus, antice dilatatus, paululum des- 

 cender; apertura obliqua, obtuse obcordata, iutus margaritacea, 

 4-lamellata; lamellis tribus in pariete aperturali, media valida, 

 prominens, laterales breviores, profundae, lamella palatalis singula 

 profunda, iuterstitio inter lamellam ventralem mediam et sinistram 

 opposita ; peristoma callosum, breviter reflexum, marginibus callo 

 mediocri cum lamina ventrali media confluente, junctis, basali 

 callo oblongo, dentiform! incrassato. 



"Diam. maj. 15, min. 18, alt. 7 millim." (Albers.) 

 Hab. Ceylon : Newara-Eliya (Nevill, Blanford}. 



Fig. 22. Corilla fryee. 



Fig. 23. Gorilla erronea. 



