446 HELIX §. 144. 



316G. H. scmirasa Mousson. 



T. umhillcata, perdepressa, tenuis, subtiliter strialula et 

 setis brevissimis , noii coniertis obsita, nilidula, corneo-albida 

 vei alba, fascia lata castanca supera alteraque angusta infra 

 medium ornata; spira plana, vertice subimmerso; sutura im- 

 pressa; anfr. 4 parum convexi, ultimus depresso-rotundatus, 

 antice breviter descendens, pone aperturam turgidus, basi pla- 

 niusculus, antice subconstrictus ; umbilicus mediocris ( Yj. diametri 

 subaequans), conicus; apertura perobIi([ua, lunato-subcircularis; 

 perist. simpIeX;, roseum, marginibus conniventibus, supero bre- 

 viter expanso, basali breviter reflexo, ad insertionem in laminam 

 triangularem, patentem dilatato. — Diam. maj. 19, min. 10, 

 alt. 7 mill. (Coll. Mousson et Coll. Nr. 1363.) 



Ilelix Mohtccensis Pfr. in Zeitsclir. f. Malak. 1850. p. 84; 

 Cliemn. ed. II. Helix p. 352. t. 135. 

 f. 10. H ; Mon. Helic. III. p. 245. nr. 1443; 

 V. p. 391. 505. nr. 2545. 



— semirasa Mouss. in coU.; v. Martens Ostas. Exp. Zool. 



II. p. 392. 



— — Pfr. Novit. conch. IV. p. 38. Nr. 709. t. H7. 



f. 4—6. 



— tortilabia Homhr. Sf Jacq.? 



Ilabitat in insulis Arrow (Embrecht), Nova Guinea, nec in Moluccis. 



Obs. Elsi haec species absque dubio cum //. Moluccemi identica 

 sit, lamen nomen poslerius ob localitatem erroneam praeferendum. 



3167. guttata Le Guill. f I. 388. V. 391. — Ins. Ceram. 



3168. zebra Pfr. (Coii. 1364.) III. 246. IV. 294. V. 391. 505. — Plani- 



spira Ptilcl Cat. p. 96. — Ins. Ceram, Goram. 



3169. H. Embrcehtiana Mousson. 



T. umbilicata; depressa, tenuiuscula, striatula et striis spi- 

 ralibus microscopicis sculpta, nitida, alba, fasciis 2 latiusculis 

 cornco- castaneis et superne serie macularum triangularium vel 

 lunarium ornata, subtus cornea, albo-guttulata etstrigata; spira 

 plana, medio leviter immersa; sulura profundiuscula; aufr. 4 

 modice convexi, ultimus rotundatus, antice lente descendens, 

 non constrictus, subtus. pone aperturam vix tumidior et juxta 

 umbilicum mediocrem leviter impressus; apertura diagonalis, 

 lunato-rotundata; perist. simplex, album, marginibus conniven- 

 tibus, supero sublate expanso, antrorsum arcuato, basali cxpanso- 

 reflexo, ad insertionem parum dilatato. — Diam. maj. 21, niin. 17, 

 alt. 9 mill. (Coll. Mousson.) 



