98 HELTX §. 19. 



418. Kochi Pfr Mon. I. p. 101. 



419. solitaria Say. (Coll. 187. — De Kay New-York 



Moll. p. 43. t. 3. f. 41. — Chemn. ed. nov. I. 



p. 180. t. 24. — Patula Alb. p. 64.) - - - 102. 



420. alternata Say. (Coll. 188. — De Kay New-York 



Moll. p. 29. t. 2. f. 9 — Chemn. ed. nov. I. p. 

 181. — Desh. in Fer. hist. I. p. 89. N. 122. — 

 Patula Alh. p 64. — //. scabra Chenu 1. c. t. 6. 

 f. 11 a.b.) - - - 102. 



421. H. ptychomphala Pfr. 



T. urabilicata, depresso-globosa , leiiuis, superue conferlim 

 costulata, lineis concentricis paucis obsolete decussata, nitida, 

 castaneo-cornea; spira vix convexa; anfr. iy^ — 5 vix con- 

 vexiuscuii, ultimus non descendens, obsoletissime angulatus, 

 basi convexus, laevigatus, corneo-virens vel lutescens, circa 

 umbilicum mediocrem, pervium confertim plicalus; apertura 

 parum obliqua, irregulariter truncato-ovalis, altior quam lata; 

 perist. simplex, obtusuiTi, margine columellari elongato, sub- 

 stricte descendente, superne fornicatim reflexo. — Diam. maj. 

 33, min. 28, alt. 17—18 mill. (Mus. Cuming.) 

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



— — C/?e//m. ed. II. Helix N. 910. t. 140.f. H. 12. 



— ptycomphala Forbes m Voy. Rattlesnake. App. p. 371. 

 Habitat ad Portum Essington; Cape Upstart Australiae (Mac- 

 gillivray). 



422. H. Strangei Pfr. 



T. late umbilicata, depressa, solidiuscula, superne con- 

 fertim costulato-striata , nilida, subpellucida, castaneo-cornea; 

 spira parum elevata, obtusiuscula; anfr. 5 vix convexiusculi, 

 ultimus depressus, basi sublaevigatus ; apertura subobliqua, 

 lunato-ovalis, intus submargaritacea; perist. simplex, rectum, 

 tenue, marginibus conniventibus. — Diam. maj. 24, min. 20, 

 alt. 10 — 11 mill. (Mus. Cuming.) 



Helix Stra7igei Pfr. in Proc Zool. Soc 1848. p. 108. 



— — Pfr. in Zeitschr. f. Malak. 1848. p. 94. 

 Habitat in Australia. («Brisbane Water, New-South-Wales « : 

 Strange. ) 



423 H. tiara Mighels. 



T. umbilicata , convexiusculo-depressa, subtenuis, superne 

 arcuato-striata, lutea, strigis fulguratis rufis ornata, niiidula; 

 spira plane fornicata, obtusa; anfr. 6 convexiusculi, lente ac- 

 crescentes, ultimus subteres, non descendens, basi vix striatus; 

 umbilicus magnus, conicus, V3 diametri superans; apertura 

 obliqua, lunato-rotundata, intus subopalina; perist. simplex, 



