110 PHYLLONOTUS. 



distant revolving lirae, which become spinulose on the varices ; 

 canal sub-produced ; lip lirate within. 



So. Australia. 



Said to resemble M. cristatus, Brocchi. Possibly identical 

 with M. octogonus. As Brocchi, has used the ijame for a fossil 

 species, this ma^^ be known as M. Angasi. 



M. OCTOGONUS, Quoy and Gairaard. PI, 30, figs. 272-2T4. 



Shell eight A^aricose, varices fimbriately spinose. Reddish 

 brown, violet and striated within the aperture. The animal has 

 a reddish mantle, sides of the foot, head and tentacles yellowish 

 with red striae, locomotive disk whitish. Length, 1-4 inches. 



Buy of Islands, New Zealand; Japan. 



M. cuspidatus, Sowb., (fig. 214), is a sjmonj'm. 



M. DipsAcus, Brod. PI. 30, figs. 27*7, 281. 



Length, 1 inch. 

 St. Elena, W. Columbia ; from a rocky bottom at the depth of 12 fathoms. 

 — Cuming. 



Reeve has figured as M. octogonux., Quoy, a shell which Sowerby 

 described as M. Peruvianus, (fig. 281), and which, I think, is the 

 same as M. dipsacus. It comes from Pacasmayo, Coast of Peru. 



M. viTTATUS, Brod. PI. 30, figs. 280, 279. 



Seven varicose, short spiny ; canal open. White with narrow 

 purple-black revolving bands. Length, '85 inch. 



Bay of Guayaquil; sandy mud, at 11 fathoms. 



31. lepidus, Reeve, (fig. 279), described without localit}^, does 

 not appear to me to differ. 



M. BALTEATUS, Beck. PI. 30, fig. 278. 



Seven varicose. White tinged with pink, lips pink, spines and 

 tubercles tinged with brown. Length, 1 inch. 



Philippines ; on coral reefs . 



M. NODULIFERUS, Sowb. PI. 30, figs. 282, 288. 



The shouldered whorls give the spire a babylonic appearance ; 

 two distant ribs revolve on the middle of the body, forming a 

 pair of fronds on each varix ; a smaller frondose rib encircles the 

 canal ; the aperture is denticulate within and, like M. cristatus, 



