PLATE LII. 



TROCHUS ZIZYPHINUS. 



LIVID TOP SHELL. 

 GENERIC CHARACTER. 



Animal a slug. Shell conic. Aperture nearly triangular. 



SPECIFIC CHARACTER 



AND 



SYNONYMS. 



Shell conic, livid, without umbilicus: spirally striated, with the 

 upper edge of each wreath margined. 



Trochus Zizyphinus : testa imperfbrata conico livida laevi, anfrac- 



tibus marginatis. Linn. Sj/st. Nat. p. 1231. 



No. 599.— Faun. Suec. II. No. 2168. 

 Trochus albidus maculis rubentibus distinctus, sex minimum spira- 



rum. List. II. An. Angl. p. 166. tit. 14. 



tab. 3. Jig. 14. 

 Trochus pyramidalis variegatus, limbo angusto in summo quoque 



orbe circumdatus. List. H. Conch, tab. 616. 



fig- 1- 

 Culs de Campe de moyenne grandeur, lisses, marbres de rouse et de 



violet, a orbes separes par un cordon. D'Avila, 



cab. p. 127. No. 15.5. 



vol. n. E 



