148 CANTHARIDUS. 



Characterized by the rounded elevated ridge at the sutures, the 

 transverse granular lirse, and the obscure flame-like longitudinal 

 markings. (Ad. and Ang.~) 



Section ODONTOTROCHUS Fisher, 1880. 



Odontotrochus FISCHER, Coquilles Vivantes, Monograph of 

 Trochus, p. 419 (1880) ; Manuel de Conchyl., p. 819. 



C. CHLOROSTOMUS Menke. PI. 40, fig. 25, 26. 



Shell imperforate, conical, elevated-trochiform, solid, first whorls 

 red, the following reddish-brown, more or less tinged with buff, and 

 in places with olive-green, and sparsely maculate with whitish, the 

 spiral ribs more or less articulated minutely with whitish ; whorls 

 8 to 9, flat or a trifle concave, acutely carinated, the carina a trifle 

 projecting above the sutures; upper surface of each whorl encircled 

 by 10 to 12 spiral lirse, only slightly elevated, and showing strong, 

 regular oblique strse of increment in the interliral interstices ; base 

 flat, with about 10 concentric narrow lira?, strongly, regularly 

 radiately striate ; aperture rhomboidal, very oblique, iridescent and 

 sulcate within ; outer and basal lips edged with green, plicate-dentic- 

 ulate within ; columella curved, ending in a strong tooth at base, 

 green. Alt. 24, diam. 20 mill. ; alt. 25, diam. 18 mill. 



Australian shores. 



T. chlorostomus MENKE, Moll. nov. Holl. spec., p. 17. PHILIPPI, 

 Abbild. u. Beschr. i, Trochus t. 2, f. 8 ; Conchyl. Cab., p. 106, t. 17, 

 f. 6 ; p. 43, f. 5. FISCHER, Coq. Viv., p. 282, t. 92, f. 2.Ziziphinus 

 chlorostoma REEVE, Conch. Icon. f. 26. 



Peculiar in the elevated straightly conical form, carinated 

 periphery and coloration. 



Unfigured, unidentified species of Cantharidus, Elenchus, Thalotia, 

 etc. 



ELENCHUS DILATATUS Sowerby. Testa brevi, subcinerea, spir- 

 aliter subdistanter lirata ; spira brevi ; anfr. quatuor, ultimo lato ; 

 apertura dilatata, viridi-coeruleo iridescente. (Sowb.) 



New Zealand (Mr. Brazier). 



Remarkable for the expansion of the last whorl. (Sowb.~) 



Elenchus dllatatus G. B. SOWERBY in Proc. Zool. Soc. 1870, p. 

 251. Cantharidus dilatatus HUTTON, Proc. Linn. Soc. N. S. W. 

 1884, p. 363. 



ELENCHUS SPLENDIDULUS Swainson (Treatise on MalacoL, p. 

 352). An undescribed Cantharidus. 



