HELIX §. 20. 101 



lieUx nidiellu Cliemn. ed. II. Heli.x N, 561. l. 89. f. 1:2 — 15. 



— ... Fer. hist. t. 83. f. 3. 4. 

 Habitat in insula Opara (Cuming). 



252. H. costellata Orbigny. t 



T. orbiculato-convexa , umbilicata, tenuis, depr^ssa^^cbstatS, 

 fusca; spira obtusa; anfr, 5; apertura rotunda; labrum tenue, 

 acutum. — ■ Long. 3, alt. 2 miU. (0.) 



Helix costellata (Helicella) Orb. synops. p. 5. 



— — Or6. voy. p. 252. t. 26. f. 6 — 9. 



— — var. a Desh. in Fer. hist p. 1 9. exclus. fig. 



Ilabitat Montevideo, republica Paraguayensi orienlali (Orb.). 



Obs. Haec species a Cl. Deshayes cum H. epidermia Anl. (Nr. 302.) 

 jungitur; differre aulem videtur spira elevata , apertura minore, elc. 



252^ H. lyrata Couthouy. t ./f> 



T. minuta, depressa, rufo-cornea, umbilicata; spirac anfr. 

 4 cylindrici, striis elevatis, confertis lyrati; sutura subcanaliculata ; 

 apertura circularis; labrum simplex. — Lat. '/5, alt. '/20 poU. (G.) 



Helix lyrata Couth. mss. Gould 18.i6. Exped. shells p. 19. 

 Habitat in Terra Ignis. 



Obs, «Num forte H. coslellata Orb.?» 



253. H. pusilla Lowe. -f/A^% /./^..P//d 



T. umbilicata, depressa, tenuis, rufescens, costulis dislan- 

 tibus, membranaceis superne instructa; spira vix elevata; sutura 

 distincta, impressa; anfr. 3/4 convexiusculi , ultimus non descen- 

 dens, basi laevigatus; umbilicus angustus, pervius; apertura sub- 

 circularis, vixlunata; perist. simplex, tenue, acutum. — Diam. 

 maj. 2, min. ^iy^, alt. 1 raill. (GolL Nr. 134. Spec. Lowean.) 

 Helix pusilla Lowe Faun. Mader. p. 46. t. 5. f. 17. (auct. ) 



— — Gmm. ed. IL Helix N. 565. t. 89. f. 29-31. 

 Euryomphala pusilla Beck ind. p. 9. 



Habitat in insulae Maderae sylvis. 



254. H. Kochi Pfr. ////Z^^. j/^.Jl^i^^f 

 /'/ <., p.,., (' ,■?■> ^ y.Si"!^ 

 T. umbilicata, globoso-dcpressa , so]idtiia,'oblique distincto 

 slriata, albida, fasciis pluribus rufis ad peripheriam ornala; spira 

 parum elevata, obtusiuscula ; anfr. 6 convexi, sensim accrescen- 

 tes, ultimus subcylindraceus; umbilicus inagnus, pervius; aper- 

 tura lunato-circtilaris, intus concolor, nitida; perist. simplex, acu- 

 tuin, marginibus conniventibus, dextro antrorsum arcuato, colu- 



