— 151 — 



ganti^ '/i3 in H. Suanetica)^ conico-depressa, sat teuuis, 

 nitidissiraa, obscnre corneo-rufa, basi tota flavo-viri- 

 descens; spira sat elata, exacte conica ; apex pro genere 

 acutus. Aufr. 5^2 convexiusculi, celeriter accrescentes, 

 obsolete striatuli, ad suturara pariim impressara, pallide 

 marginatam distinctius dense curvato-plicatuli, siipenie 

 sub lente lineolis spiralibus confertis, subgranulatis 

 elegantissime decussata, ultimus superne magis plaDa- 

 tus quam inferne, infra medium rotundatus, ad aper- 

 turam perparum ampliatus, penultimum sescuplo su- 

 perans, pro iatitudine sat altus. Apert. major, sub- 

 transversa, distiucte latior quam altior, subcirculari- 

 ovalis, ad anfractum penultimum excisa, intus late 

 albo sublabiata. 

 Alt. 14V8, diam. min. 2IV2— 22, maj. 25^2 — 26 mm; 

 alt. apert. IIV2, l'^it. apert. 12^1^ mm. 

 Hab. Westlicher Kaukasus (comm. C. Zeyen in Esch- 

 weiler); höhere Lagen der sehten -Fischt Gruppe, sehr 

 einzeln, Niederung Kurdschips und Berg Gut, pon- 

 tischer Kaukasus, nur in Jugendformen (H. Leder 1887). 



5. Helix {Trichia) chrysotricha n. sp. 



T. perforata, depresse conico-globosa, tenuissima, corneo- 

 olivacea, albido indistincte unizonata, vix nitens, villosa ; 

 spira fere exacte conica lateribus vix convexiusculis ; 

 apex acutulus. Aufr. ö^'g convexiusculi, sutura im- 

 pressa disjuncti, regulariter accrescentes, ruguloso- 

 striati et pilis distantibus longiusculis, sat rigidis. fla- 

 vidis hirsuti, ultimus media parte vix subangulatus, 

 basi saccatulus, ad perforationem declivis, ante aper- 

 turam paullulum descendens. Apert. modica obliqua, 

 exciso-circularis; perist. simplex, acutum, marginibus 

 distantibus, bene curvatis, columellari superne triangu- 

 lariter protracto, perforationem dimidia parte obtegente. 



