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Genus 10. Canthiridus, Moutfort. 



Eleuchus, sp. Humph.; Swains. — Phasianella, c, Menke. — Trochus, 



sp. Philippi. 



1. Canthiridus iridis, Chemn. 



Trochus iridis, Chemn. Conch, v. t. 161. f. 1522-23. — Trochus 

 iris, Gmel. 

 Hab. ? 



2. Canthiridus purpuratus, Martyn. 



Trochus purpuratus, Martyn; Chemn. v. 1. 161. f. 1524-25. — Tro- 

 chus notatus, Gmel. — ? Trochus elegans, Gmel. — ? Phasianella ru- 

 bella. 



Hab. ? 



3. Canthiridus nitidulus, Phil. 



Trochus nitidulus, Phil.; Kust. Conch. Cab, pi. 43. f. 10. 

 Hab. 1 



4. Canthiridus cinguliger, A. Adams. C. testa elevato- 

 conicd, cinered, punctis fuscis in lineis flammulatis dispositis, 

 transversim sulcata ; anfractibus plants, cinguld prominenti 

 supra suturam, anfractu ultimo angulato, cingulo piano cincto ; 

 umbilico subobtecto ; columella rectd; labro intus albo, Icevi. 



Hab. ? 



5. Canthiridus punctulosus, A. Adams. C. testd elevato- 

 conicd, imperforatd, Icevi, nitidd, cinered, transversim sulcatd ; 

 cingulis transversis, luteo alboque punctatis nigro-maculatis 

 ornatd ; anfractibus planis, ultimo acute angulato; regione 

 umbilicali rosed ; aperturd subquadratd ; columella alba, rectd, 

 antice subtruncatd ; labro intus Icevi, limbo punctulato. 



Hab. Swan River, 4 fathoms {Jukes). 



6. Canthiridus zealandicus, A. Adams. C. testd oblique 

 conicd, subturritd, imperforatd, IcBvi, nitidd; atro-purpured, 

 lineis pallidis transversis, ubique cinctd; anfractibus paulum 

 convexis ; aperturd obliqud, subrotundatd ; labioalbo, simplici, 

 arcuate ; labro intus sulcata, margaritaceo, vivide iridescenti. 



Hab. New Zealand. 



7. Canthiridus moniliger, A. Adams. C. testd elevato- 

 conicd, imperforatd, cinered, cingulis moniliformibus transversis 

 ornatd ; interstitiis longitudinaliter elevate striatis ; anfracti- 

 bus planis, apice purpurea, suturd canaliculatd ; anfractu ulti- 

 mo angulato; aperturd subquadratd ; columella antice subtrun- 

 catd ; labro intus sulcata. 



Hab. Swan River, 8 fathoms {Jukes). 



8. Canthiridus articularis, A. Adams. C. testd elevato- 

 canicd, Icevi, nitidd, cinered; cingulis confertis, nigra alboque 



