— 165 — 



formante), lamellis longitudinalibus, prominulis, com- 

 pressis, albis, porte margine externum, elegantissime orna- 

 tus, pallidius fulvidus, mox in vicinio aperturœ candidus' 

 apertura subcircularis, alba, ima fauce pallide fulvida; 

 peristoma brevissime expansum, subreflexum, album, ad 

 occursum an frac tus penultimi vix subangulatum, margi- 

 nibus callo tenui junctis, columellari vix expanso, versus 

 basin subdilaiato, basait et externo reflexiusculis. — Oper- 

 culumrotundatum,tenuissimum, corneum, spiratum, supra 

 polygyratum, infra minus conspicue spiratum, medio con- 

 caviusculum, nucleo centrait. — Longitudo 13 mill.,diam. 

 maj. 12 4/2. Apertura cum peristomate 7 mill. longa. 



6 1/2 lata (Coll. Tissotet Grosse). 



Habitat in Nova Guinea, Oceaniœ : species arboricola 

 (Laglaize). 



2. Voluta Prevostiana , Crosse. 



Voluta lyriformis, Riéner, Species, p. 55, pi. xlii, fig. 2 

 (non Swainson). 

 T. fusiformis ,mediocriter crassa, costisvalidis, subœqua- 

 liter distantibus, vix obliquis, longiludinaliter impressa, 

 transversim tenuiter striala, pallide fulvido-carnea, zonis 

 irregularibus, fulguratis, castaneis picta; spira elon- 

 gâta, apice rolundato, papilliformi, lateraliter acclini, 

 nilidulo, albido ; sutura irregulariter impressa; anfractus 



7 convexi, embryonales 2 graciles, planiusculi, sublœvi- 

 gati, sequentes longiludinaliter costati, castaneo irregu- 

 lariter et fulguratim bizonati, ultimus spiram paulo supe- 

 rans, castaneo trizonatus [zona prima suturali, secunda 

 submediana, ter lia basait], basi attenuatus ; apertura au- 

 guste oblongo-elongata, intus pallide c.arneo-albida, ad 

 limbum cameo- fulvida ; peristoma simplex, pallide car- 

 neo-fulvidum, marginibus [in adultis speciminibus tan- 



