VITRINA §. 3. 499 



T. subglobosa, tenuis, sublaevigata, nitidissima, carnco- 

 albida; spira brevis, convexa, obtusa; sutura impressa; anfr. 3 '/2 

 rapide accrescentes , ultimus inflatus, antice hyalinus, basi angu- 

 stiusculus, membranaceo-marginatus; apertura vixobliqua,iunato- 

 rotundata; perist. tenuissimum, margine dextro regulariter rotun- 

 datO; columellari rocedente, perarcuato. — Diam. maj. 18, min. 

 14, alt. 10 mill. (Mus. Cuming.) 

 VHrina bicolor Beck mss. 



— — Pfr. in Proc. Zool. Sor. 1848. 

 Habitat in insula Guimaras Philippinarum (Cuming). 



Obs. Corpus animalis album, apice nigrum (Cuming). 



19. V. >gaimarasensis VSv.ff,/f.±i$.X^(^.., . 



T. depresso-semiglobosa, tenuis, striatula, "subdiaphana, 

 virenti-carnea ; spira parvula, parum elevata; sutura marginata; 

 anfr. vix 4 subplani, rapidissime accrescentes , ultimus inflatus, 

 subdepressus; apertura obliqua, lunato-subcircularis , aeque alla 

 ac lata, intus submargaritacea; perist. tenuissimum, margino 

 dextro regulariter arcuato , columellari recedente, perarcuato. — 

 Diam. maj. 15, min. 11 '/2, alt. 8 mill. (Mus. Cuming.) 



Vitrina guimarasensis Pfr. in Proc. Zooi. Soc. 1 8 48. ■ 



Habitat in insula Guimaras Philippinarum (Cuming). 



20. V. Beckiana Pfr. /^7. :v.:-J,e',.i'5/, 



T. depresso-globosa , circuitu ovalis, tehuissima,"striatula, 

 pellucida, nitida, pallidissime rubello-cornea ; spira mediocris, 

 brevis, obtusa; anfr. fere 4 \ix convexiusculi, celeriter accrescen- 

 tes, ultimus subdepressus, basi lalus; apertura parum obliqua, 

 lunato-rotundata, latior quam alta; perist. simplex, marginibus 

 remotis, supero regulariter arcuato, columellari superne reflexius- 

 culo, basi recedente, perarcualo. — Diam. maj. 16, min. 13, ,ilt. 

 8 mill. (Mus. Cuming.) 



Vitrina Beckiuna Pfr. in Proc. Zool. Soc. 18 48. 



— peraffinis Beck in sched. 



Habitat in insulis Philippinis: Negros, Siquijor, Guimaras (Cuming). 



Obs. Variat magnitudine. A praeeedente praecipue dKTerl anfractibus 

 minus rapide accrescentibus et aperlurae forma. 



21. V. politissima BeclL..f/.fi.gA3.^M£l. 



T. globoso-depressa , solidula, laevigata, poliiissima, dia- 

 phana, cornea, saturatius radiala; spira mediocris, convexa; su- 

 tura impressa, submarginala; anfr. 4 convexiusculi, celeriler 

 accrescentes, ullimus dopresso-rotundatus, basi latus; apertnra 



32* 



