F ASCI OL ARIA. 75 



identified. Carpenter remarks upon the resemblance of the 

 description to F. tulipa ; I have but little doubt that it should be 

 considered a synonym, and that the locality is erroneous. 



* * Shell shouldered, but not tuberculate. 

 F. LUGUBRIS, Reeve. PL 59, figs. 6, T. 



Fleshy-brown, covered with a dark olive-brown epidermis. 

 Length, 2*5-3 inches. 



Cape of Good Hope. 



F. badia, Krauss (fig. 7), described a year subsequent to F. 

 lugubris, and from the same locality, is evidently synonymous. 



* * * Shell shouldered and tuberculate. 

 F. PBINCEPS, Sowb. PI. 60, figs. 11, 17. 



Nodulous on the shoulder, distantly spirally ridged, interstices 

 concave, spirally striate. Light orange, covered with a per- 

 sistent chestnut-brown epidermis ; columella and interior of 

 aperture orange, the latter with close, revolving, raised red lines, 

 which sometimes tend to separate into groups resembling music 



staves. Length, 6-9 inches. 



Panama to-Mazatlan ; Peru f 



P. P. Carpenter describes the operculum as " pyriforrn, apex 

 terminal ; outside with about five longitudinal furrows on the 

 middle and interior ; exterior with irregular diagonal ribs ; inside 

 with very large attachment, not corrugated." F. Reevei, Jonas 

 (fig. 17), is a poor, faded F. princeps, although it is stated in 

 Kiister to be " himmelweit " in its characters. 



F. GIGANTEA, Kicner. PI. 60, figs. 14-16. 



Shell yellowish-white, covered with a chestnut-brown epider- 

 mis ; flesh-color or yellowish within the aperture ; tubercles dis- 

 tant, large. Length, 1 to 2 feet. 



South Carolina; West Indies, Brazil. 



This is the largest known species of univalve shells. F, papil- 

 losa, Sowb. (figs. 15, 16), appears to be the young : it has priority, 

 but Kiener's name is so well known that I let it stand. 



F. FILAMENTOSA, Lam. PI. 59, figs. 8-10 ; PI. 60, figs. 12, 13. 



Bluish-white, variegated and streaked with red, brown or 

 orange, the spiral grooves dark chestnut or blackish. Aperture 



