— 187 — 



son); var. (i Rocksand, Eleuthera, insularum Bahamensium 

 (Krebs). Species P. murmoratœ Pfeifferiaffinis. 



8, Pterocyclus? eud^daleus. 



T. latissime umbilicata, subdiscoidea, tenuiuscula sed 

 solidula, parum nitida, spiraliter minute striata, luteo- 

 albida, strigis numerosis, regulariter fulguratiSj casta- 

 neis, elegantissime ornata; spira depressa, planiuscula, 

 medio vix paululum prominula, apice obscure violaceo ; 

 sutura profunde impressa, subcanaliculata ; anfr. 4 1/2 

 plano-convexiusculi, ultimus vix descendens^ rotundatus, 

 strigis castaneis fulguratis, paulo supra médium subito 

 interruptis ornatus, medio et basi nitidior, paulo infra 

 médium cingulo lato macularum vivide castanearum., 

 fulguratim interruptarum et mox in strigas numerosas 

 pallide castaneas, regularUer fulguratas , mediocriter 

 conspicuas, circa umbilicim subito evanidas desinentium 

 transversim munitus; apertura diagonal is,subangulatim 

 circularis, intus sordide albida ; perist . duplex ^ internum 

 album, brevissime porrectum, juxta anfractum conti- 

 guum vix sinuatum, externum subdilatatum, brevissime 

 reflexiusculum , tenuissime multilamellosum , superne 

 triangulariter leviter protractum. — Operculum ? — Diam. 

 maj. 25, min. 20^ alt.% mill. Apert. diam. cum perist., 

 10 mi7Z. (Coll. Grosse.) 



Habitat Bornéo {teste B. Wright). 



9. Helicina miltochila. 



T. parva, subglobosa, pisiformis, lœviuscula , parum ni- 

 tida, solidula, sordide luteo-albida ; spira mediocris, apice 

 obtuso; sutura sat impressa ; anfr. ^ planiusculi, ultimus 

 versus aperturam subito descendens, sub penultimo ali" 

 quantulum recedens et quasi gradum efformans, medio 



