112 HELIX §. 2^2. 



506. H. crinigera Benson. -j* 



T. anguste umbilicata, depresso-trochiformis, cornea, ra- 

 diato-costulata; apex obtusiusculus; anfr. 6 — oy^ vix con- 

 vexiusculi, linea unica elevata supcrsuturali muniti, ultimus 

 carinatus: carina suturaque pilis elongatis ciliatis; basis plani- 

 uscula, ad umbilicum compressiuscula, lineis impressis con- 

 centricis frequentibus ornata; apertura obliqua, angulato-lunaris, 

 securiformis; perist. simplex, acutum. — Diam. maj. 12^2, 

 min. 12, alt. ^% mili. (B.) 



Helix crinigera Bens. in Ann. and Mag. 1850. Mart. p. 214. 

 Habitat ad latus montium Nilgherries Orientem spectans ( Jerdon). 



* 



507. Bermudensis Pfr. (Coll. 221. — Chemn. ed. 



nov. II. p. i20. — Trochomorpha Alb. p. iiG.) Mon. I. p. ilS. 



508. Eurydiee Gould. -\- (Proc. Bost. Soc. 1846. p. 



177 et Exped. shells 1851. p. 60. f. 57.) ... . - - - 119. 



509. retifera Pfr - - - 119. 



510. tentoriolum Gould. -J- (Proc. Bost. Soc. 1846. 



p. 176 et Exped. shells 1851. p. 63. f. 54.). . . - - - U9. 



511. Auklandiea Guill. f - - - 119. 



512. solarium Quoy. (Coll. 222. — Desh. in Fer. 



hist. I. p. 367. N. 436. — Chemn. ed. nov. II. 



p. 123. — Trochomorpha Alh. p. 116.) - - - 120. 



513. areuata Pfr. {Reeve N. 169. f. 37.) - - - 120. 



514. oceaniea Guill. -J* - - - 120. 



515. H. alpha Pfr. 



T. umbiHcata, conica, carinata, oblique striatula et distan- 

 ter lamellato-costata, strigis brunneis et luteis variegata; spira 

 convexiusculo-conica, apice obtusuia; anfr. 57^ vix convexi- 

 uscuh, ultimus non descendens, acute dentato-carinatus, basi 

 planus, ad umbihcum mediocrem, pervium subangulatus; aper- 

 tura diagonalis, subsecuriformis; perist. simplex, rectum, mar- 

 gine supero brevi, basaii arcuato, ad columeham subverticahter 

 ascendente. — Diam, maj. 4^3, min. 4, aU. 3 mih. (Mus. 

 Cuming.) 



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

 Habitat in Nova Seeiandia (Strange). 



516. H. beta Pfr. 



T. umbihcata, trochiformis, carinata, tenuis, arcuatim va- 

 hde phcata, fulva, castaneo late maculata ; spira elevata, con- 

 vexo-conica, acutiuscuia; sutura marginata; anfr. 7 angusti, 

 planiusculi, ultimus subrecedens, non descendens, ad carinam 

 ciliatus, basi vix convexiuscuius; umbilicus angustus; apertura 

 obliqua, anguhito-lunaris; perist. simplex, rectum, margine 



