Zoological Society. 209 



8. Chlorostoma SEMiNODOSUM, A. Adams. C. tesUl de- 

 presso-conicd,profundeumbilicatd, fused; anfractihus planulatis, 

 supernh subnodosis, longitudinaliter oblique striatis ; anfractu 

 ultimo angulato, supra unguium cinguld transversd elevatd or- 

 nato, basi planiusculd ; columella tuberculis duobus, supremo 

 acuto, prominente. 



Hab. ? 



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

 lato-conicd, umbilicatd, nigro-fuscd, cingulis transversis elevatis 

 albo-ai-ticulatis ornatu ; anfractu ultimo subangulato, basi cin- 

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

 mella tuberculo parvo terminatd. 



Hab. 1 



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

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

 striatd ; anfractibus parum rotimdatis, basi concentrice li- 

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

 columelld arcuatd, basi dente terminatd et infra tuberculo in- 

 structd. 



Hab. 1 



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

 conoided, imperforatd, castaned, Icevi, longitudinaliter obliquh 

 striatd, striis transversis indistinctis insculptd ; anfractibus 

 rotundatis, suturd anguste canaliculatd, regione umbilicali im- 

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

 intus sulcato. 



Hab. ? 



Genus 17. Gibbxjla, Leach. 



Trochus, sp. Linn. — Steromphala, Leach. — Monodonta, sp. Lam 



1. GiBBULA suLcosA, A. Adams. G. testd conoided, umbili- 

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

 fractibus paulum convexis, longitudinaliter substriatd, trans- 

 versim sidcatd, sulcis subdistantibus, anfractu ultimo subangu- 

 lato, basi convexiusculd, lineis impressis concentricis sculptd ; 

 aperturd suborbiculari ; columelld superne sinuatd, bast sub- 

 truncatd. 



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

 sand {Mr. Jukes). 



2. GiBBULA 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 XJNDOSA, A. Adams. G. testd orbiculato-conoided, 

 umbilicatd, virescenti, lineis fusco-viridibus undatis longitudina- 



