Mollnsca noiiimlla nova maris Japonici. 



Auetore 

 G u i 1 i e 1 m o D u n k e r. 



1. Amycla Burchardti Dkr. 

 Testa ovato-conica, striis subtilibus transversis fron- 

 tem versus sensim crassioribus instructa ; anfractus plano- 

 convexi 8— 9 sutura distincta sejuncti, ultimiis paullulum 

 major; coluniella glabrata; labrum incrassatum leviter 

 sulcatum, externe turgiduluin, subvaricosum ; canalis bre- 

 vis; apex acutiusculus laevigatus; color albidus strigis 

 undulatis vel maculis irreo^ularibus fuscis variesfatus. — 

 Long. 15 — 18 mill. 



2. Cardium Burchardti Dkr. 

 Testa oblique ovata, plano-convexa, antice aequaliter 

 arcuata, postice subtruncata, costis 40 — 42 instructa; 

 costae planäe aequales, utrinque crenatae, superne obso- 

 lete rugosae paene laeves, costae postremae aream ter- 

 minantes angustiores crenato-muricatae ; sulci angusti et 

 profundi transversim striati; umbones porrecti; cardinis 

 dentes laterales antice in utraque \al\a, crassi ac longi ; 

 color externus flavo-albidus, maculis pallide rufis varie- 

 gatus; epidermis tenuis pallide Cornea; latus internum 

 lacteum, sub umbonibus ex parte subroseum; margo 

 pallide rufescens. — Alt. 71 mill. Alt. long, crass. nu- 

 meris 100, 82, 53 respondet. 



3. Ceritliium Kobelti Dkr. 

 Testa solida, oblongo - turrita , flavidula, varicosa, 

 anfractibus 8 — ^9 convexis sutui-a incisa sejunctis, per 

 longitudinem dense plicatis transversim que liratia asperis 

 et nodiferis instructa, ultimo tertiam longitudinis partem 

 fere aequante; apertura ovato-rotunda; canalis brevissi- 

 mus paullulum resupinatus: labrum incrassatum intus 

 sulcatum. — Long. 23 mill. 



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