112 HELIX §. 22. 



506. H. crinigera Benson. ^ 



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

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

 vexiusculi, linea unica elevata supersuturali muniti, ultimus 

 carinatus: carina suturaque pilis elongatis ciliatis; basis piani- 

 uscula , ad umbilicum compressiuscula, lineis impressis con- 

 centricis frequentibus ornata; apertura obliqua, angulato-Iunaris, 

 securiformis; perist. simplex, acutum. — Diam. maj. 'I^Y^. 

 niin. 12, alt. 6V2 mill. (B.) 



Helix crinigera Bens. in Ann. and Mag. 1830. Mart. p. 214. 

 Habitat ad latus montium Nilgherries Orientem spectans ( Jerdon), 



* 



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



nov. II. p. '120. — Trochomorpha Alb. p. HG.) Mon. I. p. IIS. 



508. Eurydice Gould. •{■ (Proc. Bost. Soc. 1846. p. 



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



509. retifera Pfr - - - 119. 



510. tentoriolum Gould. -f (Proc. Bosf. Soc. 1846. 



p. 176 et Exped. shells 1851. p. 63. f. 54.). . . - - - 119. 



511. Auklandica Guill. f - - - 119. 



512. solarium Quoy. (CoII. 222. — Desh. in F6r. 



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



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



513. arcuata Pfr. {Beeve N. 169. f. 37.) - - - 120. 



514. oceanica Guill. -^ - - - 120. 



515. H. alpha Pfr. 



T. umbilicata, conica, carinata, obHque striatula et distan- 

 ter lamellato-costata, strigis brunneis et luteis variegata ; spii*a 

 convexiusculo-conica, apice obtusula; anfr. Sy^ vix convexi- 

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

 planus, ad umbilicum mediocrem, pervium subangulatus; aper- 

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

 gine supero brevi, basali arcuato, ad columellam subverticaliter 

 ascendente. — Diam. maj. i%, min. 4, alt. 3 mill. (Mus. 

 Cuming. ) 



Helix alpha Pfr. in Proc. Zool. Soc. I85I. Dec. 

 Habitat in Nova Seelandia (Strange). 



516. H. beta Pfr. 



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

 lide plicata, fulva, castaneo late maculata; spira elevata, con- 

 vexo-conica, acutiuscula; sulura marginata; anfr. 7 angusti, 

 planiusculi, ultimus subrecedens, non descendens, ad carinam 

 ciliatus, basi vix convexiusculus; umbilicus angustus; apertura 

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



