HELIX §, Mi. 
77 
vexiusculi, ultimus acute carinatus, basi gibbus; apertura rotun- 
dato-Iunaris; perist. simplex, margine columellari non reflexo. — 
Diam. maj. 44, min. 35, ait. 20 mill. (Coli. Nr. 102.) 
Helix (Caracolla) retrorsa Gould in Bost. journ. IV. 4. p. 455. l. 24. f. 4. 
— retrorsa Chemn. ecl. II. Helix N. 686. i. H 0. f. 4 — 0. 
Habitat in imperio birmano Indiae orientalis, prope Tavoy (Gould), 
prope Mergui (Tli. Philippi). 
Obs. Bifferl ab II. Rimipliii spira olala, sculptura etc. 
177. H. Janus Chcmnitz. 
T. perforata, siiiistrorsa, orbicularis, tenuis, diaphana, oblique 
regulariter ct confertim coslulato-striata, superne fusca, basi con- 
vexa rufo-castanea , nitidiuscula; spira late conoideo-depressa; 
anfr. 7 planulali, ultimus carinatus; apertura lunaris; perist. tenue, 
acutum, margine columellari reflexiusculo. — R. a. = 4 : 5. — 
Diam. maj. 36, min. 31 , ait. 17 mill. (Coli. Nr. 103.) 
Helix Janus bifrons Chemn. XI. p. 307. t. 213. f. .3016. 17. 
— — — (Helicella) Fdi\\n\ 233. 
— — Pfr. in Proc. Zool. Soc. 1842. p. 87. 
— — (Nanina?) Pf?\ Symb. II. p. 19. 
— — Chemn, ed. II. Helix N. 59. t. 11 . f. 4 — 6. 
— Mackensiuna Soul. in Revue zool. 1841. jj. 3 47. 
— - Balesieriana Lea in Transacl. Am. phA. Soc. VII. p. 460. 
l. 12. f. 10. 
Anophanla Janus Beck ind. p. 5. 
Habitat in monte Ophir peninsulae Malaccauae (Cuming). 
178. H. bataviana v. d. Busch, 
T. perforata, depresso-globosa, tenuis, obtuse carinata, su- 
perne cinnamomea, oblique confertim coslulata, subtus castanea, 
striata, versus umbilicum pallida, area umbilicali castanea; anfr. 
vix convexiusculi; apertura augulato-Iunaris; perist. subsim- 
plex, ad perforationem arcuatim reflexum. — R. a. = 2 : 3. — 
Diam. maj. 3373, min. 29, all. IT/a mill. (Coli. N'r. 104.) 
Helix, bataviana v, d, Busch in Phil. Icon. L 1. p. 9. t. 1. f. 3. 
— — (Nanina?) Pfr. Symb. H. p. 17. 
— — Chemn. cd. II. Helix N. 58. t. I I. f. 1 —3. 
Habitat in insula Java (Wiuler). 
^ 179. H. Cuvicriana Lea. 
T. aperle perforata, orbiculata, tenuis, pellucida, oblique 
striata, carinata, olivaceo-lutescens, infra carinam fascia lata rufa, 
deorsum diluta, ornata; spira vix clala ; anfr. 5 planulati, ultimus 
basi convexus; apertura lafa, lunaris; perist. simplex, acutum. 
