396 on menke's Australian shells, 



Trochus chlorostomus, No. 68, p. 17. 



Tr. testa oblique pyramidali, imperforate, carnea,jlammis angulosis 

 fuscis posterius albo marginatis radiata ; anfractibus planatis, 

 transversim striatis, iuferius marginatis ; columella arcuata, obsolete 

 crenata, basi sua sinu a labro sulcata disjuncta ; apertura patente 

 subtetragona. Diam. of base 8, alt. 7*5 lines ; of a smaller form 

 Diam. of base and height 5-5 lines. 



Hab. "Western Coast. 



[This elegantly sculptured and chastely coloured Zizy planus 

 ranges eastward to St. Vincent's Gulf.] 



Trochus Preissii, No. 69, p. 17. 



Tr. testa ovato-conoidea, subrimata, nitida, vel viridi fusco virgata 

 vel punctata, vel carnea jlammis fuscis radiata ; anfractibus piano 

 convexis, costis latiusculis approxhnatis (in ultimo anfractu 8 ad 11) 

 baseos convex^ ex nigro articulatis cinctis ; apertura patente sub- 

 rotunda ; labro coccineo onarginato interim sulcato. Operculum 

 Jiuic corneum tenue. Long. 7, lat. 4 lines. 



Hab. Western Coast. 



I The above description answers very well to the S. Australian 

 Thalotia pulcherrima, Wood.] 



Trochus Lehmanni, No. 70, p. 18. 



Tr. testa ovato-conoidea, imperforata, cana, radii's vel jlammis 

 olivaceis radiata ; anfractibus medio angulatis, porcis tenuibus con- 

 fertissimis (in ultimo anfractu 18) baseos convexcv ex nigro alboque 

 articulatis cinctis ; apertura patente subrotunda ; labro coccinea mar- 

 ginato intus obsolete lirato. Long. 6'4, lat. 3-8 lines. 



Hab. Western Coast. 



[Perhaps a Thalotia.'] 



