94 IIELIX §.19. 



apertura magna, parum obliqua, lunato-ovalis; perist, simplex, 

 tenue, acutum, marginibus subapproximatis, columellari superne 

 (lilalato, patente. — Diam. maj. IIV2, min. 9, alt. Sy.^ mill. 

 (Mus. Benson.) 



Helix dumeticola Bens. in Ann. and Mag. 2 d. ser. VII. 1851. 

 p. 106. 



— — Chemn. ed. II. Hclix N. 937. t. 143. f. 16 — 18. 



Habilat rarior derelicta ad Green Point Promontorii Bonae Spei, 

 frequentior in dumetis littoralibus prope Simon's Town el 

 Strand, ad littora Sinus Falsi. 



399. H. cosmia Pfr. 



T. aperte et profunde umbilicata, depressa, tenuis, rugoso- 

 plicatula, translucens, nitidiuscula, cerea, virenti-cornea; spira 

 vix elevata, apice obtusa; anfr. 4 subplanati, rapide accres- 

 centes_, ultimus antice dilatatus. non descendens; apertura 

 obliqua, lunato-rotundata; perist. tenue, margine dextro su- 

 perne arcuato, columellari breviter reflexiusculo. — Diam. maj. 

 7, min. Sy^, alt. 3 mill. (Mus. Benson.) 



Helix munda Bens. in Ann. and Mag. 2 d. ser. VI. 1850. p. 253. 

 Nec Adams. 



— cerea Pfr. in Zeilschr. f. Malak. 1851. p. 16. Ncc Goiild. 



— cosmia Pfr. in Zeitschr f. Malak. 1852. p. 112. 



— — Chemn. ed. II. Helix N. 934. t. 143. f. 6 — 8. 

 Habitat prope « Camp's Bay» Promontorii Bonae Spei. 



400. H. Ghiron (Zonites) Gray. 



T. umbilicata, depressa, arcuatim subdistanter plicata, 

 epidermide nitida, fusco-olivacea indula; spira convexiuscula; 

 anfr. 3^2 convexiusculi, ultimus subdepressus, margine rotun- 

 datus, basi convexus; umbilicus angustus, pervius; apertura 

 parum obliqua, sublunato-rotunda; perist. tenue, margine dextro 

 subrepando, ab anfractu penultimo incisura levi se|)arato, co- 

 lumellari superne vix dilatato patente. — Diain. maj. 6, min. 

 5, alt, 3 mill. (Mus. Cuming.) 



Zonites Chiron Gray in Proc Zool. Soc. 1849. p. 166. 

 Habitat Auckland Novae Seelandiae (Greenw^ood). 



401. H. paucilirata Morclct. ^- 



T. umbilicata, convexo-depressa , cornea , diaphana, glabri- 

 uscula, lineolis remotis irradiantibus utrinque lirata, anfr. k^/.j 

 planulati, ultimus antice subdilatatus, non deflexus; apertura 

 obliqua, lunato-ovalis, margine simplice, acuto. — Diam. inaj. 

 G, niin. (alt.) 2 mill. (Mor.j 



