154 



2) Cassidula tiirgida Pfr. — T. breviter rimata, 

 fusiformi-ovata, ventrosa, solida, striata et siilcis spiralibus 

 lineisque punctatis subconfertis, prope suturam profimdiori- 

 bus, sculpta, parum nitida, fiisca; spira convexo-conoidea, 

 submucronata; sutura impressa; anfr. 7 8 convexi, iiltinuis 

 Vö longitudinis formans, superne turgidus, basi carina valida, 

 perioniphaluni latum cingente, miinitas; apertura parum 

 obliqua, oblonga , basi angusta ; dentes parietales 2 , supe- 

 rior obliqiius, alter major, linguaeibrmis , subtransversus ; 

 plica colmiiellaris valida, crassa, oblique ascendens, extus 

 ad marginem porrccta, subsulcata ; perist. expansum, pallide 

 limbatum, margine dextro supra medium callo lato albo, 

 acute dentiformi, rectangule patente ad plicam columellarem 

 usque decurrente , munito , columellari calloso, appresso. — 

 Long. 14, diam. max. 9 mill. Ap. c. perist. 9 mill. longa. 



Habitat in insula Negros Philippinarum. 



3) Auricula turrita Pfr. in Proc. Zool. Soc. 1854. 



— T. imperforata, oblongo-turrita, solida, striis longitudinali- 

 bus et transversis granulato-decussata, sub epidermide fusca, 

 parum nitente alba; spira elongata, apice obtusula, saepe erosa; 

 anfr. 7 infra suturam turgidi, celeriter accrescentes, ultimus 

 spiram aequans, basi subattenuatus; apertura angusta, acu- 

 minato-ovalis, intus lactea; plicae parietales 2, superior an- 

 tice nodiformis, introrsum attenuata, altera oblique extror- 

 sum producta; plica columellaris duplicata, vix obliqua; 

 perist. rectum, acutum, intus callo crasso, albo auctum. — 

 Long. 50, diam. 1() mill. 



Habitat in insulis Philippinis. 



4 ) A u r i c u 1 a d a c t y 1 u s P fr. in Proc. Zool. Soc. 1854. 



— T. imperforata, ovato - oblonga , solida, longitudinaliter 

 ruditer striata, infra suturam sulcis validis granulata (striis 

 spiralibus in reliqua parte levibus), olivaceo-fusca , nitida; 

 spira inflato-conica , apice obtusula, erosa ; anfr. 7 , superi 

 plani, lente accrescentes, penultimus latus, inflatus, ultimus 



