94 HELIX §.19. 



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

 tenue, acutum, marginibus subapproximatis, columellari superne 

 dilalalo, patente. — Diam. maj. IIV2, min. 9, alt. 5^^ mill. 

 (Mus. Benson.) 



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

 p. 106. 



— — Chemn. ed. II. Helix N. 937. t. U3. f. 16 — 18. 

 Habitat rarior derelicta ad Green Point Promontorii Bonae Spei, 

 frequentior in dumetis iittoralibus prope Simon's Town et 

 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. '\n Ann. and Mag. 2 d. ser. VI. 1850. p. 253. 

 Nec Adams. 



— cerea Pfr. in Zeitschr. f. Malak. 1851. p. 16. Nec Goukl. 



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



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

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



400. H. Chiron (Zonites) Gray. 



T. umbilicata, depressa, arcuatim subdistanter plicata, 

 epidermide nitida, fusco-olivacea induta; spira convexiuscula; 

 anfr. 37^ 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 separato, co- 

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



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



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

 Habitat Auckiand Novae Seelandiae (Greenwood). 



401. H. pauciiirata Morelet. «^ 



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

 uscula, lineoiis remotis irradiantibus utrinque lirata, anfr. 47^ 

 planulati, ultimus antice subdilatatus, non deflexus; apertura 

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



6, min. (alt.) 2 mill. (Mor.) 



