$ € gc H L IL DES. 
16. Nerita vitrea: 
a. Colore rofeo, fenis albis & Plambeis 
fpiraliter , Bonanni n. 208. 
b. Colore albo, maculis pullis & puniceis. Bo- - 
"anni m. 209. i1 
c. Colore carneo , maculis albis & plumbeie 
) JBonanni m. 210. 
17. Nerita trium ordinum; ZL///. Tab. 139. €2 140. 
$. 18. SrEcres II. Oris margine fimbriato. (4) 
1. Nerita ftriata, Lz/. T. 73. f. 71. Figuram vide in Tab. No- 
ftra I. n*. 16. 
2. Nerita faíciata : 
3. Unica fafcia fufca per medium orbem ; Li/7. 
T. 6. 
b. Multifafcis. 
(a) Oris pars extrema turgidula , aut eminentia snarzinem 
4ingens ; cui opponitur oris margo. fü iit 05 fimplex. 
vid. Labium $. 135. 
G EN U S 1l 
Sw RO PU EON OUCIDU LS 
$. 19. Cocuris CoxvEXA ; fpirarum configuratione NERITICA, fed in 
hoc a Nerita diverfa, quod orificium propriam fpirze füze lamellam 
fervet integram , nec ' adeo fpiram proximam in fe recipiat, fcd te- 
gat ; eidemque fe. accommodet. 
$. 20. SrEcrEs I. Ore labiato acutangulo, edet. 
1. Serpentulus pullus : Cochlea ingens pulla, ZL//£. Tab. 63. 
2. Serpentulus fafciatus : 
a. Fafcia nigra füper fpiris albis, L//f. 
T. 67. f. 66. & T. 68. 
b. m. ultimam fpiram ambiente, Lit. 
73. f. 72 
3. Serpentulus ftriatus; L t 7d vta Pictura exftat i in Tab. No- 
fira I. n*. 17. 
4.. Serpentulus laevis: Cochlea noftra umbilicata , pulla; L7/f. did 9. 
5. Ser- 
