Class VI. TURBO. WREATH-SHELL. 293 



GENUS XXVII. TURBO. WREATH- 

 SHELL, 



Animal, a Slug. 

 Aperture round, entire. 



* Allied to the genus Nerita ; the columnar 

 margin of the aperture even, imperforated. 



Lin. Tr. viii. 158. t. 4. /. 7- Mont. Test. Br. 586. id. 1. JUGOSUS. 



Sup. t. 20. f. 2. 



* T. a somewhat ovate ventricose shell ; with 

 four ridged volutions ; diameter three eighths 

 of an inch. 



Isle of Purbeck, and in Cornxvall. ~ 



Lin. Syst. 1232. No. 607- Lin. Tr. viii. 158. t. 4./. 8, 2, litto- 



Gm. Lin. 3588. Q, 10, 11. ^^^-^'t; 



List. Angl. tab. iii. fg. Q. Mont. Test. Br. m\. pernwinMe. 

 Faun. Suec. No. 216q. 



T. with five spires, the first ventricose, in 

 younger subjects striated spirally j in the old 

 smooth, and of a dusky color. Tab. Ixxxiv. 



M 1- 



