PLATE XXXIII, 



FIG. I. II. 

 TURBO LITTOREUS. 



COMMON PERIfVINKLE, 

 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 j striated spirally. Lip thin, and much spread on 

 the pillar. 



yuRBo LiTToREUs : testa subovate acuta striata, margine columnari 

 piano. Linn. Syst. Nat. p. 1232. No. 607. 

 Fn. Sv. 2. 2169. 

 Turbo Littoreus, Periwinkle. Penn. Br. Zool. No. 109. fab. 81. 



fg. 109. 

 Turbo-pyramidalis crussus fuscus, striis crebris praeditus. Littoreus. 

 JDa 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, 

 \n many instances, vary considerably. The young shells are reddish, 



