HELIX §. 7. 31 



Helix fnlva Dupuy Moll. du Gers p. 15. N. 2. 



— — Morelet moll. du Porl. p. 72. 



_ _ Che\in. ed. II. Helix N. 212. t. 30. f. 22 — 24 



~ trochiformis Montagit test. brit. p. 427, t. 1 I. f. 9. 



— trochulus DiUwyn cai. p. 916. 



— trochilus Fleming bril. anim. p. 260. 



— nitidula v. AJten p. -'J3. t. 4. f. 8. 



— chersina Say in Pliilad. journ. II. p. 156. 



— — Binney in Bost. journ. III. p. 416. t. 26. f. 3. 



— — GoJY/d report p. 185. f. 105. 



— Mandralisci Bivon. fd. in Giorn. lett. N. 198. f i), 

 Comdus fidvus Fitzinger syst. Verz. p. 9 4. 



Petasia trochiformis Beck ind. p. 2 1 . 



Polita fidva Held in Isis 1 837. p. 91 6. 

 j3. Minor, obscurior : H. fulva var. Alderi Gray 1. c. 

 r. Depressa , utrinque fere aequaliter convexa : 



Helix Mortoni Jeffreys in Linn. transact. XVL p. 3 32. 

 Habitat in Germania, Helvelia, Gallia, Anglia, Italia, Sicilia, Dania, 

 Suecia, Rossia, Caiicaso; in America borcali (Sea islands of 

 Georgia: Say, Massachusetls : Gould;. 



37. H. egena Say. 



T. imperforata, semigloboso-turlMnata, glabra, nilidissima, 

 cornea; spira conoideo-elevata ; anfr. 5/2 convexi, lenle accres- 

 centes, ultimus basi convexus, medio impressus, foramen puncti- 

 forme simulans; apertura depressa, iunaris; perist. siraplex, acu- 

 tum, margine columellari brevi, verticali, centro baseos inserto, 

 breviter reflexo. — Diam. maj. 8/2, min. 3, alt. 2'/) mill. (Coll. 

 Nr. 23.) 



Helix egena Say in Philad. journ. V. p. 120. 



— — Chemn. ed. H. Helix N. 21 1. t. 30. f. 19 — 21. 

 Habitat in America boreali : Philadelphia (Say, Griffith). 



Obs. Differl ab H. fulva teslao glabonimao forma dopressiore, anfracfibii.'; 

 latiorlbus, ultimo magis inflato , aporlura miiuis depressa. 



38. H. semen lini Moricand. 'f 



T. parvula, orbiculato-convexa, imperforata, teniiis, glabra, 

 pellucida, nitida, cornea; anfr. 5 planiusculi; apertura transverse 

 ovalis, semilunata, margine acuto. — Diarn. 3, alt. 2 mill. (Mor.) 

 L Helix semen lini Moric. meni. 3"^ suppl. p. 55. t. 5. f. 17. 

 Habitat circa Bahia Brasiliae. 



39. H. nana Hutton. -f 



T. parvula, convexo-conoidea, pallide fuscescens; anfr. 6 — 7 

 arcle convoluti. ultimus rotundatus; apertura lalior; labrum sim- 



