418 
BULLETIN OF THE UNITED STATES FISH COMMISSION. 
Family CASSIDM. 
Genus CASSIS Lamarck, 1799. 
Shell ovoid, inflated, generally bearing irregular varices; Spire moderate to low; aperture 
elongated, the outer lip reflected and denticulated within; columella callous, wrinkled or nodulous; 
canal short, very sharply recurved; operculum elongate or semilunar; nucleus lateral and median. 
Subgenus Cassis s. s. 
Cassis tuberosa Linnaeus. 
Bitccinum tuberosum Linnseus, Syst. Nat., ed. x, p. 735, 1758. 
Cassis tuberosa Reeve, Conch. Icon. , v, pi. in, fig. 7, 1848. 
Mayaguez, Porto Rico (Gundlach). 
Cassis flammea Linnaeus. 
Buccinum flammeum Linmvus, Syst. Nat., ed. x, p. 736, 1758. 
Cassia flammea Reeve, Conch. Icon., v, pi. v, fig. 12, 1848. 
San Juan, Porto Rico (Gundlach). 
Subgenus Cypktecassis Stutchbury, 1837. 
Spire short; aperture straight; varices reduced or wanting; no operculum. 
Cassis testiculus Linnaeus 
Buccinum testiculus Linnaeus, Syst. Nat., ed. x, p. 736, 1758. 
Cassis testiculus Reeve, Conch. Icon., v, pi. iv, fig. 10, 1848. 
Shell obovate, with low spire and rounded shoulder, covered with narrow longitudinal ribs, which 
are more or less broken by shallow, wide, distant, revolving furrows. Besides this the whole surface 
is covered with microscopic revolving threads; outer lip thick, reflexed, toothed within; there are 
often one or more faint varices on the body whorl; parietal wall covered with a heavy callus, which 
extends well over the base of the shell; columella wrinkled. Color pale reddish or rosy brown, with 
dark squarish or lunate blotches on the revolving ridges; outer lip white, with buff bands across it, 
which become blackish on its back. 
Length, 60; diameter, 40 mm. 
San Juan, Porto Rico, one fine young shell. 
Subgenus Semicassis Morch, 1852. 
Spire rather prominent; whorls with spiral sculpture; aperture large; lip reflexed, plicate; 
columella plicate and nodulous. 
Cassis iuflata Shaw. 
Cassis inflata Shaw, Nat. Misc., vol. xxn, pi. 959, 1812. 
Shell rather short, solid, scarcely obovate, with a moderate, sharp spire, the whorls of which 
are hardly rounded, the sculpture consisting of narrow, rather distant, revolving grooves crossed by 
more or less developed longitudinal ribs, making the spire and sometimes the body whorl cancellated. 
Outer lip thick, reflexed and becoming very heavy with age, strongly ridged within; columellar 
callus strong, granulate without; plicate within. Color purplish or bluish white, sometimes tinted 
brownish, with revolving rows of darker square spots. 
Length, 60; diameter, 40 mm. 
One young shell was taken at Mayaguez. 
In general the specimens found along the shore are dead and bleached to a uniform white. 
Genus SCONSIA Gray, 1847. 
Shell elongate oval, with revolving striae, bearing a single varix opposite the outer lip; canal 
short, slightly reflected; inner and outer lips plicate. 
