IIELIX §. 51. 179 



ginibus callo tenui junctis, supero expanso, basali dilalato, 

 reflexo. — Diam. maj. 54, min. 47, all. 30 mill. (Mus. Cuinir.i;.) 

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



— — Reeve Conch. ic. N. 365. t. 70. 



— — Chemn. ed. II. Helix N. 905. t. t40. f. 3. 4. 

 Habitat ad Richmond-River Australiae. 



960. opalina Sow. (Coll. 499. — Chemn. ed. nov. I. 



p. :291. — Reeve N, 97.^. |^. — Bulimus [Phen- 



giisj opaUiuis^^Alb. p. 137.) Mon. I. p. 231. 



961. Ferussaci Less. -{• (Geolrochus Alb. p. 114.) . - - - 231. 



961^. H. Steursiana Shuttlcworth. •\- 



T, subobtecte perforata, acute conica, trochiformis, tenuis, 

 subdiaphana, aculissime carinata, erubescenli-cornea, epider- 

 mide fuscescente fugacissima induta, tenui-striata, lineisque 

 tenuissimis spiralibus insculpta; spira valde elata, apice pa- 

 piilari; anfr. 8 pbini, vel medio subconcavi, ultimus basi pla- 

 nus; sutura filitormis, su!)impresse fulvo-marginaia; apertura 

 peroblifjua, securiformi-triangularis; perist. loseum, margine 

 superiore expanso, ad carinam rostraio-canaliculato, basali re- 

 Ul-xo, calloso-incrassato, ad columeilam reflexo, perforationem 

 occultanle; columella arcuata, intus callo albo dentiformi in- 

 slructa. — Diam. maj. 40, min. 35, alt. 30 mill. (Sh.) 



Helix Steursiana Shuttlew. in Bern. Mitiheil. 1852. Aug. p. 200. 

 Habitat in insula Amboina (Doni. a Steurs). 



Obs. «Species eximia H. Pileus Mull. et H. bifasciatae Burr. affinis.» 



* 



962. rhombostoma Pfr Mon. I. p. 231. 



963. lonchostoma Menke. (Coll. 300. — Chemn. 



ed. nov. 1. p. 95. — Geotrochus Alb. p. H4.) . - - - 232. 



964. bifasciata Burr. (Coil. 501. — Ciiemn. ed. nov. 



I. p. 94. — Reeve N. 574. t. 104. — Geotrochus 

 Alb. p. 114. — H. pyramideUa Desh. i. c. p. 335. 

 N. 398.) - - - 232. 



965. H. Cleryi Recluz. •{• 



T. trochiformis , imperforata, alba, zona rufa spiraliter 

 decorata; anfr. 6, depresso-convexiusculi, oblique striati, infi- 

 mus spira brevior, carinatus: carina alba, angusla, acuta; in- 

 ferna facies convexa, basi albo-lutescens, opaca, medio fer<> 

 vitrea, ad peripheriam castanea; apertura valde obliqua, tri- 

 angularis, inferne arcuata; labrurn antice aniiulatun;, mai"gine 

 subreflexum, — Diam. inaj. 19, alt. 14 mill. Alt. spirao 9, 

 anfr. ultimi 8 mill. (Recl.) 



