92 HELIX §. 18. 19. 



culo, — Diani. maj. 7, min. oY^, alt. fere 3 mill. (Goll. 

 Nr. 177.) 



Helix crebriflammis Pfr. iu Proc Zool. Soc. 1851. 



— — Chemn. ed. II. Helix N. 1035. t. 155. f. 5 — 8. 

 Habitat in Nova Seelandia (Strange). 



389. H. Coresia (Zonitcs?) Gray. 



T. late umbiiicata, depressa, olivaceo-cornea, fusco-strigata, 

 epidermide crassa, nitida, substriata obtecta; spira vix ele- 

 vata, convexiuscula ; anfr. 3 convexiusculi, rapide accrescentes, 

 uJtimus subdepressus, antice non descendens, dilatatus; aper- 

 tura diagonalis, sublunato-rotunda; perist. simplex, tenue, 

 marginibus conniventibus, epidermide inflexa. - — Diam. maj. 

 4, min. 37^, alt. i% mill. (CoU. Nr. 178.) 



Zonites? Coresia Gray in Proc. Zool. Soc. 1849. p. 166. 



Helix Coresia Chemn. ed. II. Helix N. 1041. t. 155. f. 23 — 26. 

 Habitat Auckland Novae Seelandiae. 



390. H. modicella Ferussac. •{• 



T. minima, orbiculato-depressa, tenuissirae striata, iate 

 umbilicata, corneo-fulva; anfr. 47^ convexiusculi , sutura ca- 

 naliculata separati; apertura simplex, rotundato-semilunaris. 

 — Diam. 3, alt. i% mill. (Dli.) 

 Helix modicella Feruss. IMus. 



— — Desh. in Fer. iiist. I. p. 90. N. 123. t. 86. f. 3. 

 Habitat in insula Tahiti (Cuming). 



§. 19. 

 391. H. Cysis Bcnson. f 



T. angusle et profunde umbilicata, sinislrorsa, depresso- 

 globosa, lenuiuscula, oblique plicato-striata, fuscescente-cornea ; 

 spira convexa, apice planato; anfr. 4 convexi^ celeriter accres- 

 centes, ultimus inflatus, primo obsolete angulatus, tunc ro- 

 tundatus, antice breviter descendens, subtus lumidus; apertura 

 obliqua, magna, subovato-lunata; perist. simplex, acutuni, 

 marginibus conniventibus, externo et basali vix incrassatis, 

 columellari breviter reflexiusculo. — Diam. maj. 43, min. 35, 

 alt. 23 mill. (B.) 



Helix Cysis Benson iu Aun. and Mag. 2 d. ser. IX. 1852. p. 404. 

 Habitat in montibus « Nilgherries» Indiae Australis (Jerdon). 



Obs. Forma similis H. quaesltae Desh., umbilico minore, nuniero 

 anfractuum minore et peristomatc discrepans. 



