76 
liliLlX §. 1(3. 
lenui, anfracl. planis, celeriter cresceiilibus , granulis inimilissiinis , — ab H. 
gummata (cui forma simillima) carina, spira obtusa etc. 
^ 173- H. porphyria Pft*. 
T. perlbrata, depressa, solida, oblique ru.^oso-sLriala , rufa, 
maculis et strigis creberrimis, flavido-albidis, subprominulis mar- 
morata, carinata, iufra carinaiiT fusco-fasciata, basi olivaceo-fulva, 
nitidior; anfr. 4/2 planulati, regulariter accrescentes, ultimus circa 
perforationem apertam excavatus; apertura subrhombea ; perist. 
simplex, tenue, margine columellari arciiatim reflexo. — R. a. 
= 3:5. — Diam. maj. 43, min. 38, ait. 2C> inill. (Coli. Nr. 100.) 
Helix porphyria Pfr. in Proc. Zool. Soc. 1842. p. 87. 
— — (Nauina?) Pfr. Symh. Tl. p. 20. 
— — Phil. Icon. I. “2. p. 22. l. 2. f. 3. 
— — Chemn. etl. II. Helix N. I 64. t. 32. f. I 2.'l 3. 
Habitat iii insula Burcas Philippinarum (Cuming), 
174. H. Darondeaui Soulcyct. -f 
T. orbicularis, umbilicata, carinata, supra depresso -convexa; 
dilute fusco-olivacea , subtus convexa, castanea; anfr. 5 obliqut^ 
rugosiusculi, transversim tenue et crebre striati; apertura ovart!^ 
rotundata, ad umbilicum anguste concava, intus fusca, allifl? 
fasciata; perist. acutum; columella supra umbilicum late reflexa, 
alba; umbilicus mediocris, profundus, ad peripheriam depressus. 
— Diam. 41 , ait. 19 mill. (Soul.) 
Helix Darondeaui Soul. in Ueviie zool. 1842. p. 101. 
Habitat in insula Luzon (Soul.). 
175. H. Rumphii v. d. Busch. 
T- perforata, sinislrorsa, orbiculata, carinata, saturate ciuna- 
momea, ad carinam albido-fasciata, superne planiuscula, irregula- 
riter ruguloso-striata, basi convexa, striata; antiu,5y2 plani; aper- 
tura subrhombea, intus fusca; perist. simplex, margine columel- 
lari superne in laminam triangularem, patentem abeunie. — 
R. a. = 4 : 7. — Diam. maj. 44, min. 36, ait. 20 mill. (Coll.Nr. 101 .) 
Helix Rumphii v. d. Busch in Phil. Icon. I. I . p. 9. t. 1 . f. 2. 
— — (Nauina?) Pfr. Syinb. II. p. 20. 
— — Chemn. ed. 11. Helix N. 60. t. 11. f. 7 — 9. 
Habitat in insula Java (Winter). 
176. H. retrorsa (Caracolla) Gould. 
T. perforata, siiiistrorsa, sublenticularis, tenuiuscula, striata 
liuoisque impressis subspiralil)us, undulatis et confluentibus sub- 
tilissime rugulosa, pallide castanea vel luteo-fusca ; spira parum 
elevata, apice acutiuscula; anfr. 5/2 rapide accrescentes, vix cou- 
