198 



1856 Troclus pictus, Gray; Wood, Index Test Supplement. 



(Hanley's Edition), p. 220, Trochus plate 5, fig. 28. 

 1859 Trochus (Thalolia) Lehmanni, Chenu, Manual de 



Conch., tome 1, p. 359, fig. 2,659 (non Trochus 



Lehmanni, Menke). 

 1865 Thalotia conica, Angas, Molluscan Fauna of South 



Australia. Proc. Zool. Soc, p. 179, No. 148. 

 1865 Thalotia picta, Angas (as of Wood). Molluscan 



Fauna of South Australia. Proc. Zool. Soc, p. 179, 



No. 150. 

 1873 Thalotia conica (Sowerby ! !). Paetel, Catalog der 



Conch. Sammlung, p. 73. 

 1873 Thalotia picta, Wood; Paetel, Catalog der Conch., 



Samm., p. 73. 

 1873 Zizyphinus conicus, Gray; Paetel, Catalog., p. 74. 

 1877 Thalotia picta, Tenison- Wood's (as of Wood) Papers 



and Proc. Eoyal Soc, Tasmania, p. 41. 



1880 Trochus conicus, Fischer in Kiener, Coq. Vivantes, p. 



135. 



1881 Monodonta turrita, Menke = Thalotia conica, Tate, 



Proc. Linn. Society, NSW., vol. 6, p. 394. 

 1883 Trochus {Thalotia) conicus, Gray; Tryon, Structural 



and Systematic Conchology, vol. 2, p. 312, pi. 81, 



fig. 52, bad. 

 Shell imperforate, conical, acute at the apex ; whorls 6-7, a 

 little convex, the embryonic whorls rosy or reddish, the lower 

 whorls having 5-6 transverse granulose line, and obsolete 

 brownish spots forming longitudinal narrow bands ; last whorl 

 rounded or obtusely carinated, base convex, encircled with 

 5-6 granulose lirse ; aperture rhomboidal ; columellar arched, 

 having numerous corrugatioDS or tuberculosus ridges, trun- 

 cated at the base ; basal margin plicated inside, as well as the 

 right margin, which is thickened, interior of the aperture 

 greenish or vividly iridescent. Height 21-22, width 15-16 

 millimetres. 



Hah.— New Holland {Captain Phillip P. King) ; King's 

 Island, Bass Strait (Peron and Lesueur) ; Western Australia 

 (Dr. Preiss) ; New Holland (Hombron and Jacquinot) ; St. 

 Vincent's Gulf, South Australia (G. P. Angas) ; Bass Straits 

 and North-east Tasmania (Tenison- Woods). 



4. Trochus (Diloma) odontis. Gray, sp. 



1828 Trochus odontis, Gray; Wood, Index Test. Supple- 

 ment, p. 37, pi. 6. Trochus, fig. 37. Monodonta 

 Odontis, Gray, I.e., p. 44. 



