88 AULICA. 



forming three very broad, interrupted bands, sometimes con- 

 fluent, irregularly covering most of the surface ; interior flesh- 

 yellow. Columellar plaits oblique. Length, 3 -5-4 -5 inches. 



Sooloo Is. 

 Y. CATHCARTI^E, Reeve, PI. 21, fig. T9. 



Orange and flesh-white, the former making an irregular zigzag 

 or netted pattern, with three bands of dark chocolate spots. 



Length, 3'5 inches. 



Habitat unknown. 



The figure of the type resembles F. piperita except in its 

 smooth apex, rather more closely than F. aulica, with which M. 

 Crosse compares it. 



Y. DESHAYESII, Reeve. PI. 26, fig. 63. 



White or pink, with orange-red irregular clouded markings, 

 and a central band whereon they do not appear ; aperture orange- 

 color ; columellar plaits much stronger than in F. aulica, and 

 nearly transverse. Length, 3-4 inches. 



New Caledonia. 



Y. ROSSINIANA, Bernardi. PL 27, fig. 64. 



Flesh-color, with longitudinal angular markings of chestnut- 

 brown. Length, 7 inches. 



New Caledonia. 



The spire is more elevated, the spines less developed than in 

 F. imperialist the plaits on the columella are five in number 

 (four in imperialis) and more transverse, the outer lip more 

 expanded; yet it may be only an extreme variety of that 

 species. 



Y. LUTEOSTOMA, Desh. PL 25, fig. 58. 



Shell resembling the last species, but smaller, and having four 

 plaits only on the columella which, however, are transverse 

 like it, and not oblique as in F. imperialis, The interior of the 

 aperture has the orange-coloring of F. Eossiniana. 



Length, 2*5 inches. 



Habitat unknown, 



Certainly very closely allied to the preceding species. 



Y. IMPERIALIS, Lam. PL 26, fig, 65. 



Fulvous, marked with angular, interlacing chestnut lines, 



