HELIX §. 19. 97 



413. H. conspurcatclla Morelet. •{* 



T. parvula, depressa, late umbilicata, superne vix con- 

 vexiuscula, subtus turgidula, membranaceo-striatella, cornea; 

 sutura profunda; anfr. 3 — 4 convexiusculi, ultimus antice sub- 

 dilatatus, supra medium angulatus; apertura subcircularis; 

 perist. simplex, acutum, marginibus expansiusculis. — Diam. 

 maj. 3V2, min. 2 mill. (Mor.) 



Helix conspurcatella Morelet Testac. noviss. 11. p. 7. N. 87. 

 Habitat circa Merida Yucatanorum, sub lapidibus. 



414. H. varicosa Pfr. 



T. umbilicata, depressa, tenuiuscula, strialula, costis di- 

 stantibus varicoso-angulata, haud nilida, fusca; spira vix ele- 

 vata, obtusa; anfr. 4% — 5 planiusculi, ullimus non descen- 

 dens, depressus, basi planiusculus; umbilicus mediocris, pervius; 

 apertura parvula, obliqua, lunaris; perist. simplex, rectum, 

 margine columellari superne vix reflexiusculo. — Diam. maj. 

 372? "^iJ^* ^V^? ^'t- ^'X 2 mill. (Mus. Cuming. ) 



Helix varicosa Pfr. in Proc Zool. Soc. 1851. 

 Habitat in Nova Seelandia (Strange). 



415. H. epsilon Pfr. 



T. umbilicata, depressa, tenuis, superne oblique et con- 

 fertim plicata, pallide cornea; spira convexiuscula ; anfr. Sy^ 

 convexiusculi, ullimus non doscendens, basi sublaevigatus; 

 umbilicus angustus, pervius; aperlura parum obliqua, rotun- 

 dato-lunaris; perist. simplex, rectum, marginibus conniventibus. 

 — Diam. maj. 1^4, min. ly^? a'''- % ™'"- (Mus. Cuming.) 

 Helix epsilon Pfr. in Proc. Zool. Soc. 1851. Dec. 



Habitat in Nova Seelandia. 



* 



416. pusilla Lowc. (Coll. 186. — Chemn. ed. nov. 



II. p. 135. — Patula Alb. p. 64.) Mon. I. p. 101. 



417. H. porcina Say. •{■ 



T. parva, depressa; epidermis rugosa, setis numerosissi- 

 mis munita; anfr. 4, superne depressi, subtus rotundati, for- 

 mantes angulum obtusum paulo supra medium anfractus, um- 

 bilicus apertus, parviusculus, profundus; color lutescenti-brun- 

 neus. — Diam. 0,3. (Say.) 



Helix porcina Say m Exped. to St. Peters II. p. 257. t. 15. f. 

 2, teste De Kay New-York Moll. p. 45. 



Habitat in Statibus Unitis. («N. W. Territory».) 





III. 



