153 



7. Infundibulum depressum, Gmel. 



Trochus depressus, Gmel. 3573 ; Chemn. Conch, v. pi. 1 71 . f- 1668. 



Hab. ? 



8. Infundibulum chloromphalus, A. Adams. I. testd de- 

 presso-conicd, pseudo-umbilicatd, viridi, atro-purpureo punc- 

 tatd; anfractibus plants, cingulis confertis granorum ornatd, 

 basi concavd, cingulis incequalibus articulatis insculptd, regions 

 umbilicali infundibuliformi, intus viridi ; colmnelld superne 

 tortuosd, tuberculatd. 



Hab. ? 



9. Infundibulum Californicum, A. Adams. /. testd de- 

 presso-conicd, pseudp-umbilicatd, albidd, viridi rufoque varie- 

 gatd ; anfractibus planis, supra angulatis, ultimo angulato, 

 cingulis tuberculorum subdistantium multiformium ornatd ; 

 interstitiis longitudinaliter obliquh costatis, basi concavd, cin- 

 gulis confertis crenulatis insculptd, regione umbilicali infundi- 

 buliformi, viridi, lined albd elevatd cincto ; columelld superne 

 tortuosd, tuberculatd. 



Hab. California. 



Genus 6. Polydonta, Schumacher. — Lamprostoma, Swains. 



1. Polydonta maculata, Linn. 



Trochus maculatus, Linn. ; Chemn. v. pi. 168. f. 1615-18. 

 Hab. Port Essington, adhering to rocks, deep water (Jukes). 



2. Polydonta in^equalis, Chemn. 



Trochus incequalis, Chemn. v. pi. 170. f. 1635-36. — Trochus gra- 

 nosus, Lamk. 



Hab. Philippines. 



3. Polydonta regia, Chemn. 

 Trochus regius, Chemn. v. p. 170. f. 1637. 

 Hab. ? 



4. Polydonta Tentorium, Chemn. 

 Trochus Tentorium, Chemn. v. p. 169. f. 1628. 

 Hab. Philippines. 



5. Polydonta stellata, Chemn. 

 Trochus stellatus, Chemn. v. pi. 169. f. 1630. 

 Hab. ? 



6. Polydonta verrucosa, Gmel. 



Trochus verrucosus, Gmel.; Chemn. v. pi. 170. f. 1638. — Trochus 

 elatus, Lamk. 

 Hab. Zanzibar. 



7. Polydonta costata, Chemn. 



Trochus costatus, Chemn. v. pi. 169. f. 1633-34. 

 Hab. ? 



