158 HELIX &. 32. 
basali et columellari sat arcuatis. — Diam. maj. 5*/5, min. 4?/, 
alt. 3; apert. long. 2*5, lat. 1!/; mill.» (v. M.) 
Helio quadrispira Mari. in Monatsber. Berl. Ak. 18 Apr. 1864. 
p. 267. 
Patula quadrispira (RBhytida) Mart. Ostas. Zool. IL p. 259. 
Í.obg. 4. 
Habitat in insula Ceram Moluccarum. 
808. H. Ehizophorarum Gassies. j 
«Testa umbilicata, depressa, lenticularis, tenuis, valide et 
regulariter striata, sordide cornea, immaculata; spira vix con- 
vexa, superne elevato-depressa, apice nitida, inferne rotundata; 
anfractus 6 constricti, regulariter accrescentes, ultimus non 
descendens; sutura impressa; umbilicus perspectivus; apertura 
lunaris, parum obliqua; peristoma simplex, rectum. — Diam. 
maj. 5, min. 4!/, alt. 2!/, mill.» (G.) 
Helioc Rhizophorarum Gass. in Journ. Conch. XIII. 1865. p. 211. 
Habitat «Port de France» Novae Caledoniae. 
804. H. vetula Gassies. 
T. sublate et aperte umbilicata, depressa, tenuiuscula, su- 
perne confertissime  costulato-plicata, subtus radiato - striata, 
unicolor fusco-cornea; spira vix elevata, vertice plano, nitidulo; 
sutura profunda; anfr. fere 6 convexi, lente accrescentes, ulti- 
mus vix latior, non descendens; umbilieus !/, diametri supe- 
rans; apertura parum obliqua, lunaris; perist. simplex, rectum, 
marginibus remotis, columellari vix dilatato. — Diam. maj. A, 
min. 39/4, alt. vix 2 mill. (Coll. Nr. 333.) 
Helim velula Gass. in Journ. Conch. VII. 1858. p. 69. (Malak. 
Bl. 4859. p. 7.) 
Habitat in Nova Caledonia (Béraud). 
* 
805. (585.) Chimmoi Pfr. (Coll. Nr. 334.) Archip. Kermandec. (IV. 95.) 
806. H. Berendti Pfr. 
T. umbilicata, turbinato- depressa, solidula, hyalino - albida, 
superne dense costulata; spira subturbinata, vertice obtuso; 
anfr. 6 convexiusculi, lentissime accrescentes, ultimus non de- 
scendens, peripheria subangulatus, basi convexior, sublaeviga- 
tus; umbilicus perspectivus, !/, diametri superans; apertura 
obliqua, lunaris; perist. simplex, rectum, marginibus distan- 
tibus, columellari brevi, subverticali. — Diam. maj. 4, min. 
315, alt. 2 mill. (Coll. Nr. 335.) 
