24 



liqua, truncato-ovalis ; perist. albolabiatum, margine dextro 



expanso, columellari dilatato, piano, adnato. 

 Diam. maj. 35, min. 27, alt. 19 mill. 

 Hab. Province of Patas, Andes of Peru (Dr. Farris). 



3. Helix patasensis, Pfr. (PI. XLIII. fig. 6.) T. late urn- 

 bilicata, depressa, solidula, striata et foveolis minutis undique 

 sculpta, fulvida, castaneo-unifasciata ; spira vix elevata ; anfr. 

 5% convexiusculi, regulariter accrescentes, ultimus depresso- 

 rotundatus, antice deflexus ; apertura perobliqua, lunato-ellip- 

 tica ; perist. albidum, marginibus conniventibus, supero breviter 

 expanso, basali refiexo, versus insertionem sensim dilatato. 



Diam. maj. 36, min. 29, alt. 13 mill. 



Hab. Province of Patas, Andes of Peru (Dr. Farris). 



4. Helix jaspidea, Pfr. (PI. XLIV. fig. 5.) T. late urnbili- 

 cata, depressa, carinata, solidula, oblique costulato-striata, 

 carneo-albida, pallide corneo jlammulata et subfasciata ; spira 

 vix elevata, apice cornea ; sutura levis, marginata ; anfr. 5 

 planiusculi, regulariter accrescentes, ultimus utrinque convexior, 

 antice descendens ; umbilicus fere \ diamctri occupans ; aper- 

 tura perobliqua, transverse oblonga, intus carnea, albofas- 

 ciata ; perist. albidum, marginibus approximatis, supero recto, 

 basali reflexo, ad insertionem dilatato. 



Diam. maj. 31, min. 26, alt. 10 mill. 



Hab. Province of Patas, Andes of Peru (Dr. Farris). 



5. Helix entodonta, Pfr. (PI. XLIII. fig. 2.) T. umbilicata, 

 depressa, discoidea, solidula, dense striata, pellucida, albido- 

 hyalina ; spira plana, subimmersa ; anfr. 7\ convexi, angus- 

 tissimi, ultimus irregularis, 4 mill, pone aperturam complanatus 

 et intus dentibus 3 perlucentibus munitus, antice dilatatus, vix 

 descendens ; umbilicus dimidium diametri occupans ; apertura 

 diagonalis, obauriformis ; perist. breviter refexum, marginibus 

 remotis, dextro fiexuoso. 



Diam. maj. 6^, min. 5^, alt. 2 mill. 



Hab. Cuenca, republic of Ecuador {Mr. Fraser). 



Nearly allied to Helix pollodonta, Orb. 



6. Helix vipera, Pfr. (PI. XLIV. fig. 6.) T. peranguste um- 

 bilicata, depressa, solidula, superne irregulariter striata et 

 dense granulata, pallide fulvida, fasciis 2 albidis rufo angu- 

 loso-maculatis {altera ad suturam, altera supra peripheriam) 

 et inter Mas strigis rufulis ornata ; spira convexa, obtusa ; 

 anfr. 5 convexiusculi, ultimus subcarinatus, ad partem peri- 

 pherics aperturce oppositam sulco 1 notatus, antice non descen- 

 dens, sub tus irregulariter tumidus et impressus, radiato-striatus, 

 fasciis moniliformibus pictus ; apertura diagonalis, subtrian- 

 gulari-lunaris ; perist. album, marginibus remotis, supero ex- 



