PLATE Xyi. 



FIG. II. II. 

 NERITA FLUVIATILIS. 



RIVER NERIT. 

 SPEDIFIC CHARACTER, 



AND 



SYNONYMS, 



Small, spotted, streaked, and reticulated. 



Nerita Fluvtatilis ; N. testa rugosa labiis edentulis. — Zinre, 



Sj/st. Nat. p. 125. 3. No. 723. 

 Nerita parvus fiuviatills, elegantur maculatus, fasciatus, aut reticu- 



culatus. Flaviatilis. J)a Costa Br. Conch. 



p. ^.S. Sp. 21. 

 Nerita fluviatilis, e cceruleo vlrescens, maculatus, operculo sub- 



rufo lunaro et aculeate datus. List. H. An. 



Angl. p. 136. tit. 20. tab, 2. fig. 20. 

 Nerita fluv. exiguus, recticulate variegatus. Small netted Thames 



nerit. Muf. Petiv. p. 67. No. 718. 

 Nerita fluviatilis, River. Penn. Br. Zool. No. 142. tab. SI. fig. 142. 



This species is very frequent in rivers. It is small ; of an ovoid 

 shape, and very elegantly variegated with black, white, red, green, 

 Sec. — ^The star denotes the natural size of the shell. 



