HELIX §. 3o. 185 



margine columellari brevi, 4 in basali, i in supero. — Diam. 

 maj. 772, min. 7, alt. 3% mill. (Coll. Nr. 277.) 



Helix lamellosa (Helicodonta) Fer. pr. \ 10. Hist. t. 31 A. f. 3. 



— — Fer. in Voy. de Freycinet. Zool. p. 469. 



_ _ pfr. in Zeltschr. f. Mal. 1845. p. 85. 



_ _ Chemn. ed. H. Helix t. 100. f. 6 — 9. 



Habitat in insulis Sandwich. : Wahoo. 



47S. H. pentodon Menke. 



T. umbiHcata, conoidea, soHda, irregulariter striata, nilidula, 

 albo corneoque variegata; spira conoidea, obtusa; anfr. 6 plani, 

 ultimus acute carinatus, basi convexiusculus, circa umbilicum 

 mediocrem, cylindricum angulatus; columella verticalis; apertura 

 tetragona, dentibus 5 profundis, breviter lamelliformibus coarctata : 

 dentibus 2 in ventre anfractus penultimi, 2 in margine basali, 

 i in columellari; perist. simplex, acutum. — Diam. maj. 9 , min. 8, 

 alt 7 miU. (Coll. Menke.) 



Helix pentodon Mke in Zeitschr. f. Mal. 1846. p. 128. 

 _ _ Chemn. ed. II. HeHx t. 100. f. 32 — 34. 



Habitat . . . ? 



478% H. bursatella Gould. ■^ 



T. parva, pervariabilis, rotundata, conica vel planulata, supra 

 maculis fuscis et albidis alternanlibus, flexuosis lessellata, infra 

 cinereo-albida vel flamraulis fuscis flexuosis radiata, costis nu- 

 merosissimis acutis radiantibus lyrata, subtus convexiuscula, in- 

 terdum simplex, interdum concentrice striata, nunc radiatim 

 coslellata, nuncalbida, nunc fusco-flammulata; spirae anfr. ad 

 8 externe excavati, ultimus carinatus; sutura impressa, plerum- 

 que niarginata; apertura parva, transversa, fauce cum lamellis 

 7 volventibus, quarum 2 superiores, \ columellaris, 4 remotae, 

 (1 supra, 3 infra carinam) ad labium; labrum simplex; umbilicus 

 cavernosus, in junioribus acetabuliformis, in majoribus ad januam 

 parvus, constrictus, margine acuto, una cum labio conlinuo. (G.) 



Helix bursatella Gould 1846. Exped. shells p. 22. 

 «. Major, elevata , conica, striis costaeformibus, lineisque spiralibus 



baseos nullis. — Lat. Yio, alt. ^10 poll. 

 ji. Minor, depressa, magis niinusve ruditer costata et utrinque striata. 



— Lat. '/5, alt. Vio poll. 

 Habitat in insulis Taheiti et Eimeo. 



479. H. contorta Ferussac. 



T. umbilicata, depressa , tenuis, fragilis, striala, lenuissime 

 pilosa, luteo-flava, flammulis longitudinalibus rubris picta ; spira 



