CLATHURELLA. 281 



yellowish white, without bands or with from one to three narrow 

 chocolate bands. Length, 8 mill. 



Monterey, Gal. 

 C. AFFINIS, Dall. PI. 20, fig. 80. 



Strongly ribbed and transversely striated, narrowly shouldered; 

 outer lip internally lirate, much thickened, with two strong den- 

 ticulations, inner lip with four or five crenulations on the colu- 

 mella ; livid purple, with a single white band on the middle of 

 the body-whorl, appearing just above the suture of the penulti- 

 mate whorl. Length, 6 mill. 



Cape St. Lucas, L. Gal.; San Miguel IsL, So. California. 



C. HAYSIANA, Angas. PL 15, fig 46. 



Whorls angulated, the decussating sculpture forming nodules; 

 dull chalky gray, apex and interior of aperture purple. 

 Length, 12 mill. 



New South Wales, Australia. 



C. RETICOSA, Adams and Angas. 



Ovately fusiform, fuscous, with a median white band ; whorls 

 six, rather flat, with scarcely a sutural angle, reticulated (but not 

 nodulous) by sculpture; aperture elongately ovate, lip nodosely 

 lirate within. L. 12, diam. 5 mill. 



Port Jackson, Australia. 



" A species very similar in its general character to C. purpurea, 

 Bl., from the Mediterranean." 



C. TENUILIRATA, Angas. PI. 16, fig. 52. 



Shell solid, opaque, pale brown ; longitudinal ribs eight, com- 

 pressed, prominent, crossed by narrow, distant erect ridges, 

 becoming sharply angular at the intersection, the entire spaces 

 between them being very closely and regularly ornamented with 

 fine hair-like concentric striae ; outer lip thin-edged, variced, the 

 interior with a tubercle next the posterior sinus, which is broad 

 and shallow. Length, 8 mill. 



Port Jackson, Australia. 



C. RISSOIDES, Reeve. PI. 27, figs. 8, 9. 



Shell smooth, shining, semitransparent ; first three whorls 

 longitudinally plaited, the rest smooth, the last with a varix 

 nearly opposite the aperture (accidental?); columella spirally 



