172 
3. Banxivia nitipa, A. Adams. B. testd turritd, acuminatd, 
carneold, suturis nigricantibus, levi, nitidd, transversim tenu- 
issime striatd ; columelld anticé tortuosd; labro ad marginem 
nigricante. 
Hab. Australia. Mus. Cuming. 
Genus 13. Tuatotsa, Gray. 
Elenchus, sp. Humph.—Helenchus, Herman. 
1. TuHaxvotra picta, Wood. 
Trochus pictus, Wood, Ind. Test. Suppl. pl. 5. f. 28.—Thalotia 
picta, Gray.—Monodonta turrita, Menke. 
Hab. New Holland. 
2. THALOTIA PULCHERRIMA, Wood. 
Trochus pulcherrimus, Wood, Ind. Test. Suppl. pl. 6. f. 45.—Tro- 
chus Preissii, Menke.—Trochus porcatus, Philippi. 
Hab. New Zealand. 
3. THALOTIA AUSTRALIS, Quoy et Gaim. 
Trochus australis, Quoy et Gaim. Voy. de I’ Astrol. pl.63. f.13, 14. 
Hab. Australia. 
4. Taatotia Lenmannt, Menke. 
Trochus Lehmanni, Menke, Moll. Nov. Holl. sp. p. 18.—? Pha- 
sianella elegans, Lamarck. 
Hab. New Holland. 
5. THALOTIA ELONGATA, Wood. 
Trochus elongatus, Wood, Ind. Test. Suppl. pl. 5. f. 19.—Trochus 
attenuatus, Jonas. 
Hab. ? 
6. THALOTIA OBSCURA, Wood. 
Trochus obscurus, Wood, Ind. Test. Suppl. pl. 5. f. 26.—Trochus 
signatus, Jonas. 
Hab. ? 
7. THALOTIA PyRGoOs, Phil. 
Trochus pyrgos, Phil. Kust. Conch. Cab. pl. 43. f. 14. 
Hab. ? 
8. THALoTIA zEBUENSIS, A. Adams. Th. testd elevato-conoided, 
perforatd, atro-fuscd, fasciis longitudinalibus ornatd, transver- 
sim suleatd; anfractibus planulatis, ultimo rotundato, basi 
convead ; labio subrecto, anticé reflexo, dilatato ; apertura sub- 
circulari, intus albd ; labro intus levi, atro-marginato. 
Hab. San Nicholas, island of Zebu, sandy mud, 6 fathoms (H.C.). 
9. THALoTIA stRiGATA, A. Adams. Th. testd turrito-conicd, per- 
foratd, albidd, fasciis latis rufo-fuscis radiatd ; anfractibus in 
