284 Navicella elliptia, Lam, vertice deroso. 
285 — btefel&e , b. detrita. 
286 Neritina mitrula(Nerita violacea, Gm,) 2©t. 
287 
288 
289 
290 
291 
292 
295 
294 
296 
296 
297 
298 
299 
— concentria, Mke. 
— plumata, Mke. 
— dubia, Lam. 
— lugubris, Lam. 
•— corona, Lam. 
— lineolata, Lam. 
— virginea, Lam. a. 60 ©t. t). ©V. 
— biefet&e, b. 60 ©t. b. ©r. 
— biefelbe, c. 60 ©t. b. ©r. 
— biefelbe, d. var. atro - purpurea. 
11 ©t. 
— venosa, Mke. 22 ©t. 
— viridis, Lam. 48 ©f, 
— fluviatilis, Lam, 26 ©t. 
5 oo Nerita exuvia, L. 
3 ox —> textilis, Gm, 
302 — undata, L. 3 ©t. 
3 0 3 — atrata, Chemn. 2 ©t. 
3 0 4 — peloronta, L. a. 4 ©t. b. ©t» 
3 0 5 — btefel&e, b. 4 ©t. b. ®t. 
3 0 6 — btefel&e, c. 3 ©t. b. ©r. 
307 — chlorostoma, Lam. 3 ©f. b. ©t*. 
3 0 8 — polita, L. a. 9 ©t. b. ©f. 
309 — btefel&e, b. 8©t. b. ©r. 
310 — biefelbe, c. 7 ©t. b. ©r. 
3n — btefelbe, d. mit ©edel. 
