CALLIOSTOMA. 401 



The following species of Gould are known to me only by the 

 original descriptions reprinted below. 



ZIZIPHINUS RUBIDUS Gould. Testa acute conica, solida, nitida, 

 aurantiaca, flammulis saturatioribus flexuosis radiantibus variegata ; 

 anfr. 7, imbricantibus, sulcis tribus reclivantibus ornatis ; peripheria 

 obtusa ; basi planulato, imperforato, striis concentricis insculpto ; 

 apertura subquadrata ; columella brevi, porcellana, antice attenuata ; 

 fauce argillacea, Isevi. 



Axis 15, diam. 12 mill. (Old., in Proc. Bost. Soc. Nat Hist, viii, 

 p. 18, 1861). 



Habitat unknown. 



Z. TNFUSCATUS Gould. Testa parva, conica, albida, maculis fuscis 

 subquadratis picta ; anfr. 8, seriebus 7 granulorum (minoribus sa3pe 

 additis) quarum suturali et peripherica subquadratis et plerumque 

 tessellatis; basi convexo, filis 8 concentricis, radiatum clathratis 

 insculpto; regione umbilicali excavato, imperforato; apertura sub- 

 quadrata, ad columellam angulata ; columella postice rotundata, 

 antice obsolete dentata ; fauce margaritacea. 



Axis 10, diam. 9 mill. (Old., loc. cit., p. 19). 



Kagosima Bay. 



May possibly be the young of Z. pyramis; also like Z. millegranus. 

 (Old.) 



Z. ACUTUS Gould. Testa minuta, acute conica, prasina rosaceo et 

 albo variegata, striis tenuibus volventibus impressa, interspatiis 

 concinne clathratis ; anfr. 8, subconcavis, antice dilatatione interdum 

 duplici etiam noduloso munitis ; basi convexiusculo ; regione umbili- 

 cali rosaceo, vix perforato ; apertura subquadrata. 



Axis 4, diam. 3 mill. (Old., loc. cit, p. 19). 



Inhabits Eastern Coral Seas. 



Z. URBANUS Gould. Testa parva, ovato-comca, cinerea, ad suturam 

 et ad peripheriam maculis quadratic pailidis et fuscis seriatum articu- 

 latis ornata ; liris ordinatis simplicibus ad 6 (interdum nonnullis 

 tenuiorihus) cincta ; interspatiis exiliter clathratis ; anfr. 7, convexis, 

 peripheria obtusa ; basi concave ; umbilico modico, costa margiuato ; 

 apertura subcircularis ; columella arcuata, margine erecto. 

 Axis 6, diam. 5 mill. (Old., loc. cit., p. 19). 



Kagosima Bay. 

 26 



