P Y II B L A . Lamarck . 
Gen. Char. A pyriform univalve ; beak an 
elongated canal ; spire short without vari- 
ciform sutures ; columella plain, lip entire. 
,A n extremely short spire, almost enveloped in a ven- 
tricose body, the lower part of which is produced, 
characterizes this genus, and distinguishes it from 
Fusus. From those species of Tnrbinellus that resem- 
ble Pyrula in form, it is distinguished by the plain 
columella and adpressed inner lip. 
Shell collectors and dealers, a class of amateurs who 
often perceive natural affinities, are in the habit of 
classing several species of this genus under the common 
appellation of F igs. 
The recent species are inhabitants of the sea in warm 
climates. 
PYRULA nexilis. 
TAB. CCCXXXT. 
Spec. Char. Obovate, clavate, with decussating 
elevated striae ; transverse striae uniform, 
most prominent ; spire slightly produced. 
Syn. Murex nexilis. Srander , 55. 
Pyrula nexilis. Lamarck Env . de Paris 
67. 
Although strongly resembling the Bulla Ficus of 
Linn© us, it is readily distinguished by the prominent 
