48 



5. Siphonium subgranosum Mörch. 



Siphonum subgranosum Mörch. Proc. 1861 p. 165. 



— costale Lam. in Mörch. Journ. Conch. 1859 p. 258. 



T. crassiuscula, spiraliter contorta, spira affixa, alba vel flavescens; anfr. teretes vel 

 latere inferno dilatati, longitudinaliter conferte lirulati; lirae subaequales, saepe 5—6 pro- 

 minentiores, lira mediana plerumque valida prominens; interstitia lirula intercalante ; Striae 

 et lamellae brevissimae, incrementi sigmoideae, reguläres, lirae subtiliter granulosae et in 

 locis occultis minutissime undulato squamosae; apertura circularis, libera nee soluta, intus 

 Candida. 



Diam. c. 5 mm. 



Operculum superne convexum, laminis confertis concentricis lateris, rufum, zona sub- 

 mediana flava, centro nudo excavato, inferne convexum, impressione musculari parva; con- 

 centrice ruguloso-striata, linea coccinea terminata, centro conico, valido, prominente, apice 

 obtuso, laeviusculo, pallide flavescente, limbus convexiusculus, nitidus, bicolor dimidio interno 

 flavo, externe coccineo. 



Patria: India orientalis. 



6. Siphonium platypus Mörch. 



Siphonium platypus Mörch. Proc. 1861 p. 157. 

 T. solitissima, corrodens, spira planorbiformis ; anfr. angustis, anfr. ultimus 

 ovalis; aperturam versus planus, utrinque obtuse angulatus, Striae et stratae incrementi 

 arcuatae remotae irreguläres in latere externo acutae; apertura circularis, obliqua, peritre- 

 mate superne crasso, color albus, faueibus fuscescentibus. 



Diam. apt. 7 mm. 



Operculum tenue, pellucidnm, pallide flavum, superne coneavum, laminis concentricis, 

 circiter4 obsoletis appressis, inferne convexum, limbo nitido, latiusculo; impressio muscularis 

 opaca, centro convexo, lato, aurantiaco, tuberculo minimo elongato subcentrali (an. morbo?) 



Diam. 6 : / 4 mm. 



Patria : Sandwichs-Island. 



