131 



orbiculatd, solidd, striatd, sub lent^ granulatd, fulvd ; spird 

 drevi, fornicatd, obtusd ; anfractibus 4^ convexiusculis, sensim 

 accrescentibus, pemdtimo anyulato, ultimo siibdepresso, antice 

 deflexo, basi subangulatim in umbilicum, mediocrem, pervium, 

 ^ diametri vix superantem descendente ; aperturd perobliqud, 

 hmari-ovali, intus lacted; peristomate simplice, fusculo-lim- 

 bato, marginibus conniventibus, callo junctis, dextro brevissimk 

 expanso, basalt subrefiexo, columellari albo, supra umbilicum 

 dilatato-rejiexo. 



Diam. maj. 36, min. 31, alt. 18 mill. 



Hab. in insula Madagascar. 



22. Helix rosarium, Pfr. H. testd umbilicatd, depressd, tenui, 

 supernh subtilissime granulatd, diaphand, pallide fulvd, Jlam- 

 mis a siiturd exeuntibus, cingulisque 3 interruptis, moniliformi- 

 bus rvfs ornatd ; spird pland ; anfractibus vix 5 convexis, 

 ultimo subdepresso, antice non descendente, basi radiatim stria- 

 tulo et lineis imptressis spiralibus distantibus notato, circa um- 

 bilicum, mediocrem, infundibidiformem subcompresso ; aperturd 

 parum obliqud, lunato-subtriangulari ; peristomate albo-labiato, 

 breviter refexo, margine supero ab insertione primum ascen- 

 dente, turn sinuato, basali strictiusculo, repando, columellari 

 brevi, triangulatim patente. 



Diam. maj. 21, min. 17, alt. 9 mill. 

 Locality unknown. 



23. BuLiMTJS (Partula) decussatulus, Pfr. B. testd perfo- 

 ratd, ovato-conicd, tenui, striis incrementi lineisque spiralibus 

 mimitissimh decussatuld, vix nitiduld, fulvescenti-albidd, dia- 

 phand ; spird brevi, conicd, obtusiusculd ; suturd mediocri ; 

 anfractibus A\ convexis, idtimo ^ longitudinis ccquante, rotun- 

 datd ; columelld s^tbplicatd, recedente ; aperturd angulato- 

 ovali; peristomate simplice, tenui, marginibus conniventibus, 

 dextro campanulatim expanso, columellari super perforationem 

 reflexo. 



Long. 1.5, diam. 8f mill.; ap. 9 mill, longa, 6^ lata. 

 Hab. in insula Navigatorum. 



24. BuLiMUS (Partula) navigatorius, Pfr. B. testd dex- 

 trorsd, perforatd, oblongo-ovatd, solidd, obsolete gramdato- 

 striatd, nitiduld, fulvd, lineis confertis saturatioribus signatd ; 

 spird conicd, acutiusctdd ; suturd levi, albo-marginatd ; an- 

 fractibus 5 planiuscnlis, ultimo spiram super ante ; aperturd 



oblongd, angustd, intus albidd, dente calloso parvulo profunda 

 in ventre anfractus penultimi niitnitd ; peristomate subincras- 

 sato, i?itus valide albo-labiato, marginibus parallelis, dextro 

 breviter expanso, medio subdentato, columellari dilatato, piano, 

 reflexo. 



Long. 23, diam. 11 mill.; ap. (c. perist.) 13 mill, longa, 8 lata. 



Hab. in insula Navigatorum. 



