HELIX §.31. 75 



tum, marginibus subconniventibus, basali strictiuscule declivi. — 

 Diam. maj. 20, min. 17, alt. 8 mill. (Coll. Albers.) 



Hyalina Natolica Albers in Malak. Bl. lY. 1857. p. 90. t. 1. f. 4 — G. 

 Habitat in Natolia, prope Skutari (Straube). 



44S. protensa Fer. (Hist. t. 82. f. 3. — Hyalina Pfr. 



Vers. p. 123. — Helicella protensa Ad. Gen. p. 119.) Mon. III. p. 84. 



449. H. aequata Mousson. 



T. umbilicata, valde depressa, tenuis, leviter striatula, sub 

 lente obsoletissime spiraliter striata, diaphana, parum nitens, 

 corneo-flavida; spira brevissima, vertice vix elevato; anfr. 47^ 

 rapide accrescentes, subplani, ultimus latus, depressus, non de- 

 scendens, basi convexior; umbilicus subovalis, conicus, Y^ dia- 

 metri subaequans; apertura diagonalis, transverse lunato ovalis; 

 perist. simplex, rectum, margine columellari subarcuato, superne 

 vix dilatato. — Diam. maj. 13, min. 11 , alt. 6 raill. (Coll. Nr. 192.) 



Zonites aequatus Mouss. Coq. Bell. Or. p. 16. 53. t. 1. f. i. 



Helix aeqnata Roth Spicil. p. 7. 



— — (Hyalina) Pfr. Veis. p. 123. 



Habitat in insula Rhodo (Bellardi), circa Athenas (Roth), et in 

 insula Syra (Zelebor). 



Obs. Peraffinis videlur //. protensae Fer., imperfecte adhuc cognitae, 

 sed margine columeliari non protracto nec dilatato discrepans. 



450. H. Jcbusitica Roth. 



T. umbilicata, perdepressa, tenuis, irregulariter striatula et 

 superne sub lente spiraliter striata, nitidula, subvirenti-cornea; 

 spira brevissime conoidea, verlice subtili; sutura subraarginata; 

 anfr. fere 5 vix convexiusculi, celeriter accrescentes, ultiraus 

 depressus, peripheria subangulatus , basi vix convexior, palle- 

 scens; urabihcus circularis, conicus, V^ diaraetri vix aequans; 

 apertura diagonalis, obhque lunato-ovalis; perist. simplex, re- 

 ctum, margine supero antrorsum arcuato, basali leviter arcuato, 

 columellari superne reflexo. — Diam. maj. 16, min. 13, alt. 67^ 

 mill. (Mus. Monac. et CoII. Nr. 193.) 



Helix Jebusitica Roth in Malak. Bl. 1855. p. 2 4. (Spicil. p. 8.) 



t. 1. f. 3 — 5. 



— — (Hyalina) Pfr. Vers. p. 12 3. 



Habitat prope lacum Gihon agri Hierosolymitani et in valle 

 Ilinnom ad locum Hakeldama. 



Obs. Differt a praecedente anfractibus niiniis rapide crescentibus, 

 umbilico minore, rotundiore, elc. 



