HEMIFUSUS. Ill 



M. MORIO, Linn. PI. 43, figs. 228, 229. 



Chocolate-brown under a rather persistent olive-brown, pilose 

 epidermis ; usually encircled by one or more white bands, the 

 principal one at the top of the aperture ; interior light brown or 

 bluish with revolving brown ridges ; shoulder with or without 

 rather distant compressed tubercles. Length, 3-1 inches. 



W. Coast of Africa ; West Indies ; Brazil. 



This and the preceding species were placed by the Messrs. 

 Adams in the genus Hemifusus, but they are quite as closely 

 related in form to Melongena whilst their coloration is decidedly 

 that of the latter genus. 



M. (MUREX) SQUAMOSA, Brod. PI. 58, fig. 399. 



Yellowish brown ; pink tinged, especially on the columella. 

 Length, 40 mill. 



Payta, Peru. 



This species has been neglected by recent monographers. 

 The only figure is in Sowerby's Conch. Illustrations. The want 

 of real varices and thin outer lip removes it from Murex, and 

 it cannot be a Fusus, as Sowerby conjectures, that genus being 

 now restricted to the spindle-shaped shells, with long canal. I 

 locate it here, not knowing how to dispose of it otherwise. 



M. (PYRULA) PLICATA, Lam. 



M. Deshayes has not been able to identify this species. 



Genus HEMIFUSUS, Swainson. 



Besides being thinner, the shells of this genus are distinguished 

 from Melongena, by being white (without bands or other color 

 markings) under a light yellowish brown epidermis. They differ 

 from Fusus in the flexuous, wider, open canal, which is widened 

 gradually into the lower portion of the aperture. 

 H. COLOSSEUS, Lam. PI. 44, fig. 232. 



Pale fawn-yellow ; light roseate within the aperture. 

 Length, 10-14 inches. 



Indian Ocean; Philippines. 



Varies in the development of the tubercles upon the shoulder ; 

 occasionally they are obsolete, and are never very prominent. 



