PLATE LXXXVII. 



HELIX VIVIPARA. 



VIVIPAROUS SNAIL, 

 GENERIC CHARACTER. 



Aperture of the mouth contracted and lunulated. 



SPECIFIC CHARACTER 



AND 



SYNONYMS. 



Shell suboval, obtuse, spires ventricose or swelled, umbillcated. 

 Olive, girdled with three brown lines. 



Helix vivipara: testa imperforata subovata obtusa cornea: cin- 

 gulis fuscatis, apertura suborbiculari Fn. Su. 

 21 $5. — Gmel. Linn. Sj/sL Nat. p. 364'6, sp. 

 105. 



Cochlea testa oblongiuscula obtusa anfractibus teretibus, lineis tri- 

 bus lividis. Fn. S'uec. I. p. 375. No. 1312. 



Cochlea maxima fusca sive nigricans, fasciata. List. LI. An. Angl. 

 p. 133. tit. 18. tab. 2. fig. 18. 



Cochlea fasciata ore ad amussim rotundo. Fhil. Trans. No. 105. 

 fig. 17. — Cochlea maxima viridescens fasciata 

 vivipara. List. Exercit. Anat. 2. p. 17. tab. 2. 



C. vivipara fasciata fluviatilis. List, H. Conch, tub. 126. fig. 26. — 

 C. vivipara altera nostras testa tenuiori fluvii 

 Cham. lb. Mant. tab. 1055. fig. C. 



VOL. Ill, B 



