IIELIX §. 20. 101 



Helix radiella Chemn. ed. 11. Ilelix N. 50 I. t. 89. 1. 1:2-15. 



— ... Fer, hist. t. 83. f. 3. 4. 

 Habitat in insulu Opara (Cuming). 



2-52. H. costellata Orbig;ny. -{- 



T. orbiculato-convexa, unibilicata, tenuis, depressa, coslata, 

 fusca; spira obtusa; anfr. 5; apertura rotunda; labrum lenue, 

 acutuin, — Long. 3, alt. 2 milL (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. exckis. tig. 



Habitat Montevideo, republica Paraguayensi orientali (Orb.). 



Obs. Haec species a Cl. Deshayes cum H. epidermia Anl. (Nr. 30^.) 

 jungilur; diflene aulem videtur spira clevala , aporlura minore, etc. 



2b2\ H. lyrata Couthouy. f 



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

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

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



Helix lyrata Couth. mss. Goukl 18 46. Exped. shclls p. 19. 

 Habitat in Terra Ignis. 



Obs. «Num forte H. cosleiiala Orb.?» 



253. H. pusilla Lowe. 



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

 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. 

 raaj. 2, min. iy^, alt. 1 mill. (CoU. Nr. 134. Spec. Lowean.) 

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



— — Chemn. ed. II. Hellx N. 565. t. 89. f. 29- 31. 

 Euryomphala pusilla Beck ind. p. 9. 



Habitat in insulae Maderae sylvis. 



254. H. Kochi Pfr. 



T. umbilicata , globoso-depressa , solidula, obJique distinclc 

 striata, albida, fasciis pluribus rulis ad peripheriam ornata; spira 

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

 tes, ultimus subcylindraceus; umbilicus magnus, pcrvius: apcr- 

 tura lunato-circularis, intus concolor, nitida; pcrist. simplcx, acu- 

 limi. mareinibus conniventibus. dcvtro antmrsum arcualo, colu- 



