Zoohgical Society. 209 



8. Chlorostoma seminodosum, a. Adams. C. testa de- 

 presso-conicd, profunde umbilicatd, fused; anfractibus jilanulatis, 

 superne subnodosis, longitudinaliter oblique striatis ; anfractu 

 idtimo angulato, supra angidum cuiguld transversa elevatd or- 

 nato, basi planiuscidd ; columella tubereuUs duobus, supremo 

 acuto, prominent e. 



Hab. ? 



9. Chlorostoma articulattjm, A. Adams. C. testa orbicu- 

 lato-conicd, umbdicatd, nigro-fuscd, cingidis transversis elevatis 

 albo-articidatis ornatd ; anfractu ultimo subangulato, bast cin- 

 gulis albo-articulatis instructo, regione umbilicali viridi ; colu- 

 melld tubercido parvo terminatd. 



Hab. ? 



10. Chlorostoma xanthostigma, A. Adams. C. testd conoi- 

 ded, imperforatd, glabrd, nigrd, longitudinaliter oblique sub- 

 striatd ; anfractibus parum rotundatis, basi concentrice li- 

 rato, luteo-carneolo ; regione umbilicali callo luteo obtectd ; 

 columelld arcuatd, basi dente terminatd et infra tuberculo in- 

 structd. 



Hab. ? 



11. Chlorostoma turbinatum, A. Adams. C. testd ovato- 

 conoided, imperforatd, castaned, laid, longitudinaliter obliqub 

 striatd, siriis transversis indistinctis insculjitd ; anfractibus 

 rotundatis, svturd anguste canaliculatd, regione umbilicali im- 

 pressd ; Inbio curvato, basi dente et tuberculo terminatd ; labro 

 intus srdcato. 



Hab. ? 



Genus 17. Gibbula, Leach. 



Trochus, sp. Liuu. — Steroniphala, Leach. — Monodonta, sp. Lam 



1. Gibbula sxjlcosa, A. Adams. G. testd conoided, umbili- 

 catd, maculis roseis flammulis albo-punctatis variegatd, an- 

 fractibus paulum contexts, longitudinaliter substriatd, trans- 

 versim sulcatd, sulcis subdistantibus, anfractu ultimo subangu- 

 lato, basi concexiusculd, lineis impressis concentricis sculptd ; 

 aperturd suborbiculari ; columelld superne sinuatd, basi sub- 

 tnincatd. 



Hab. Sir C. Hardy's Island, North Australia, 8 fathoms, coarse 

 sand (Mr. Jukes). 



2. GiBBL'LA mindorensis, A. Adams. G. testd elevato-conoi- 

 ded, perforatd, viridi-fuscd, fasciis pallidis longitudinalibus 

 ornatd ; anfractibus rotundatis, liris transversis subgranulosis 

 cinctis, ultimo subangulato, basi convexd ; columelld subrectd, 

 basi tuberculo terminatd ; labro intus sulcato. 



Hab. Puerto Galero, island of Mindoro, in coarse sand, 9 fathoms 

 {H. C). 



3. Gibbula undosa, A. Adams. G. testd orbicidato-conoided, 

 umbilicatd, virescenti, lineis fusco-viridibus undatis longitudina- 



