24 



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



expanse, columellari dilatato, piano, adnata. 

 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 um- 

 bilicata, depressa, soUdula, striata et foveolis minutis undique 

 sculpt a, fulvida, castaneo-unifasciata ; spiravix elevata ; anfr. 

 5i convexiusculi, regulariter accrescentes, ultimus depresso- 

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

 tica ; perist. albidum, marginibus conniventibus, supero breviter 

 expanso, basalt reflexo, 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 umbili- 

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

 carneo-alhida, pallide corneo flammulata et subfasciata ; spira 

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

 planiusculi, regidariter accrescentes, ultimus utrinque convexior, 

 antice descendens ; umbilicus fere ^ diametri occupans ; aper- 

 tura perobliqua, transverse oblonga, intus carnea, albofas- 

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

 basali reflexo, ad insertionem dilatato. 



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



Hab. Province of Patas, Andes of Peru {I>r. 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 flexuoso. 



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 ytlbidis rufo angu-^ 

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

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

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

 pherice apertures oppositam sulco 1 notatus, antice no7i descen- 

 dens, subtus irregulariter tumidus et impressus, radiato-striatus, 

 fasciis moniliformibus pictus ; apertura diagonalis, subtrian- 

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



