l.\. 



liulfa rufnl.ilirix AD., Thes. ii, }.. .">77, pi. 12J) So\vi:, 



Conch. Iron. f. 17. 



I have not seen this sj>ecies, which seem* to ho distinguished t'n.m 

 />'. jium'tnlatu mainly by its red-edged lip. 



1). PAN AMKNSIS Philippi. Unfi'j"red. 



Shell oblong-ovate, solid ; whitish marhlod with brown ; //////, 

 of transverse strict ; vertex unihilicated, spirally striated; aperture 

 dilated below, narrow above ; lip straight in the middle. 



Alt. ll.diam. 8 lines. (Phil.). 



Panama (E. B. Phil.). 



11. panamensis PH., Zeitschr. f. Malak. 1848, p. 141. 



Distinguished from B. media and />. *lr'mt<t by the lack of all striae 

 (Ph.). This is probably identical with punctulntu or aspera,but the 

 description is not sufficient for identification. 



B. KXARATA Carpenter. Unfigured. 



Shell small, elliptical, compressed, aperture elongated, narrow ; 

 brown, covered with a thin epidermis ; spirally delicately grooved, 

 the lines more or less distant, nearly vanishing in the middle ; 

 spire hardly deeply umbilicated, with transverse divaricate striae 

 within ; lip produced above ; inner lip forming an umbilicus-like 

 <jhink toward the columella. 



Alt. -125, diam. -055 inch. (Cpr.). 



Mazatlan, on Spondylus, Liverpool Coll. 



Bui la exarata CPR., Maz. Cat., p. 173. 



Distinguished by the acuminated form, tine, rather distant spiral 

 grooves, narrow produced aperture, and slight umbilical chink 

 formed by a fold of the labium. The >mall spiral umbilicus ap- 

 pears slightly denticulate within, from the striaj of growth being 

 there well marked. The labrum extends '005 beyond the spire. 

 (Cpr.}. 



INDO-PACIFIC SPECIES. 

 B. AMPULLA Linne. PI. 34, figs. 1, 2, 3. 



Shell large, solid, ylobul'ir-itwil, with the lateral outlin> 

 where well rounded. Closely and fine/ ;> 



with pinkish-gray on a creamy or flesh-tinted ground, usually with 

 darker clouds, irregular or > -shaped ; covered when fresh with a 



