IIELIX §. 73. 401 



Helix Oreas Chemn. ed. II. Helix N. 449. t. 75. f. 1—3. 

 Habilat in vallibus elevalis reipublicae Novae Granadac (mont. 

 Quendeu ). 



Obs. Similis H. calonioiphao Jonas (Nr. 823.) imperforalae : 



1042. H. triodonta Orbigny. •f 



T. orbiculato-convexa, carinata, umbilicata, crassa, iaevi- 

 iiala , fusco-rubescens; spira brevis, obtusa; anfr. 5; apertura 

 subrotunda. peristomata, tridentata, albida, intus fusca; labruni 

 crassum, reflexum. (0.) — Diam. maj. 41 , min. 36, alt. '26 mili. 

 (ex ic.) 



Helix triodonta (Helicodonta) Oi^b. syn. p. 3. 

 _ _ Orb. voy. p. 234. t. 24. f. I —3. 



Habitat prope Guayaquil Columbiae. 



1043. H. subcastanea Pfr. 



T. umbilicata, orbiculato-convexa , subcastanea; minutissime 

 .qranulata, spira subelata; anfr. 5 '/2 vix convexiusculi, ultimus 

 angulatus, antice subito deflexus, basi inflatus, ad aperturam 

 constrictus et scrobiculatus; umbilicus mediocris; apertura per- 

 obliqua, auricularis; perist. album, incrassatum, marginibus callo 

 tenui junctis, dextro arcuato, basali strictiusculo, denticulalo, 

 ambobus dente magno intrante separntis. — Diam. maj. 47, min. 

 34, alt. 21 mill. (Mus. Cuming.) 



Carocolla globosa Brod. in Proc. Zool. Soc. 1832. p. 30. 

 — — Milll. synops. p. 13. 



Helix subcastanea Pfr. Synib. 11. p. 103. 

 Habitat in sylvis insulae Tumaco Columbiae occidentalis (Cuming). 



b s. Nomen mulandum eral ob H. sjlobosam Sow. foss. 



1044. H. soror Ferussac. 



T. umbilicata, depressa, lenticularis, acute carinata, oblique 

 striata, granulata, violaceo-fusca, medio late albido-cingulala; 

 anfr. 4'/? planulati, ultimus antice deflexus, basi vix convexus, 

 antice scrobiculatus ; apertura subhorizontalis, elliptica; perist. 

 subincrassatum, marginibus callo junctis, supero sinuoso, ex- 

 panso, basali reflexo, umbilicum mediocrem semitegente, den- 

 tibus 4 aequaliter distantibus, lamelliformibus, intrantibus armato, 

 — Oiam. maj. 32, min. 28, alt. 11 mill. (Coll. Nr. 631.) 

 Helix soror (Helicodonta) Fer. pr. 1 18. Ilist. t. 54. f. 4. 



— — P[r. Symb. lU. p. 80. 



— — Chemn. ed. N. Helix N, 469, \. 78. f. 3. 4. 

 I. 26 



