PL A/D) XXXII, 
PAS. IL, 
TURBO LITTOREUS., 
COMMON PERIWINKLE, 
GENERIC CHARACTER, 
Animal Limax. Univalve, spiral, or of a taper form. Aperture some- 
what compressed, orbicular, entire. 
SPECIFIC CHARACTER 
AND 
SYNONYMS. 
Shell with five spires: the firft much swelled, the turban tapering 
and sharp pointed ; striated spirally. Lip thin, and much spread on 
the pillar. 
Turso LitroreEus: testa subovate acuta striata, margine columnari 
plano. Linn. Syst. Nat. p. 1232. No. 607. 
Fn. Sv. 2. 2169. 
Turbo Littoreus, Periwinkle. Penn. Br. Zool. No. 109. tab. 81. 
fig. 109. 
Turbo-pyramidalis crussus fuscus, striis crebris praeditus. Littoreus. 
Da Costa, Br. Conch. p. 98. 55. 
It is needless to enter into detail on a species so well known as the 
Common Periwinkle ; yet it may be proper to observe, these shells, 
jn many instances, vary considerably. The young shells are reddish, 
