58 



flexione mediana obsolete bidentata" Bttg.). L. lO^/j, d. 3'/^ 

 (23/j Bttg.) mm. (Euhoea, m. Pelion). Jabrb. 1880. Ic. f.2038. 

 (Kob.) 



Ch. thiesseanns (Mss.) W. T. oblongo-cylindracea, 

 apice breviter conico, Isevigata, lutescenti-cornea; anfr. 10, pla- 

 nulati, lente regulares, ult, basi compressus; ap. extrorsum 

 vergens, tuberculo ang. forti cum lara. par. valida longissime 

 intrante confluente, dentibus profundis, 1 marg. magno, 2 co- 

 lum. minoribus approximatis, perist. patulo, alboincrassato, 

 callo par. medio obsoleto. L. 13 — 14, d. 3'/j — 3^/^ mm. 

 (Grcecia). Apergu Gr. 1879. Ic. f. 2015. — Forma 1) minor, tuber- 

 culo ang. ssepius libero, callo colum. nullo, 1. 11 — l^'/^, d. 2^/^ — B 

 mm.; 2) chilodins W., t. major, perist. crasso late expanso, dent. co- 

 lum. obliteratis, callo par. distinctiore, 1. 17, d. SV^ mm. (Euboea 

 ad Kume); 3) helicomeus W., t. col. dilatato, denticulis 2 tuberculif., 

 1. 15, d. 3'/2 mm. (Helicon). 



Ch. g0detin.nns Kob. Differt a praecedente prsecipue 

 anfr. lentius crescentibus, ult. ad ap. impresso et ad basin for- 

 tius compresso, ap. subtriquetra, lam. par. immersa a callo 

 margines conjungente bene separata, d. 2 in col. (supero pro- 

 fundo plicif. desuper itttaenti vix conspicuo altero marginali), 

 d. 1 forti in marg. exteriore. L. 13, d. 4 mm. (Grcecia, 

 ins. Samos). Jahrb. 1880. Ic. f. 2037. (Kob.) 



Ch. denticulatns Pfr. T. cylindraceo-turrita, striatula, 

 oleoso-micans, cornea, sp. elongata, sursum attenuata; anfr. 10, 

 angusti, ult. basi cristatus; ap. semiovalis, obliqua, tuberculo 

 ang. et denticulis 3: 1 par. profundo, 1 ad basin col. arcuatse- 

 callosse, 1 in marg. exter.; perist. albocallosum, reflexiusculum. 

 L. 7, d. 2'/3 mm, (Asia minor, Harmanjek). Proc. Lond. 

 1851. Ic. f. 2020. (Pfr.) 



Ch. SCapnS (Parr.) Pfr. Prsecedenti similis, sed t. car- 

 neo-albida, sp. cornea, anfr. 9, plani, ult, basi tuberculato- 

 compressus, ap, rbombeo-ovalis, 3-dentata: d. 1 compresso in 

 par,, d. 1 ad basin col. arcuatse et d. 1 marg. L. 16, d. S^/j, 

 mm. (Asia minor). Mon. Hel. 1853. Ic. f. 2019. 



Var. destitutu.s Mss. (J, Conch, 1873): t. minor, per- 

 fecte cylindrica, superne breviter conica, dentibus in col, et in 

 marg, exter. parvulis v. nullis ; 1. ^'/s, d. 4 mm, (Armenia, 

 Turkestan). 



Ch. Oribatha W. T. subcylindrica, Isevigata; anfr. 10 

 — 11, lentissimi, plani, ult. basi rotundatus; ap. semiovato- 

 trigona, 2-deutata (dente par. et d. marg. oppositis, boc ssepe 



