6 
C O C n L 1 D E s 
licum refert; (a) ove labiato dimidiam fpiram proximam recipiens. 
(a) Labium dicitur oris extrema ora quafi fimbria lata re- 
plicata. 
§. 14. Species: 
1. Semicornu fufcum : Probofcis Elephanti Rumphii p. 92. 
Tab. XXVII. Ut. O. ^langctje/ 2 S»el-fTaft, Belg. Figuram 
exhibet Tab. Noflra I. n°. 10. 
2. Semicornu , quod Serpentulus Rumphii p. 93. T. XXVII. R. 
Belg. Vide Figuram in Tab. Noflra I. n°. 11. 
CLASSIS II 
COCHLIS CONVEXA. 
§. 15*. Quae ex. gyrorum Centro verticali in aliquod Tegmentum Sphaerae 
rotundatur, (a) 
(a) Char affer ergo Cochlidis Convexa ejl centrum fpiralc ver- 
ticale 5 in fuperficie fipharice convexa , cui alterum la- 
tus , ubi os , fere planum opponitur . 
GENUS I. 
N E R I T A. (a) 
§. 16. Cochlis Convexa; umbilico notabili; ore laterali fimplice dimi- 
diam fpiram proximam manifefle includens. 
(a) A Nereo y Deajlro marino , ejus incola 5 ita ditia. 
§. 17. Species I. Oris margine flmplici. 
1. Nerita Vortex. Trochus planior , maculofus , umbilico levi- 
ter dentato, laevis, (a) Lift. T. 636.fi 24. pronus & fupi- 
nus Bonanni num. 27. 28. Belg. ^ertoel-^oo^ii i S&erfpecttb- 
S|O028i/ 
(aj Laeve opponitur afipero; £5? notat fiuperficiemy per partes 
a que altas extenfiam . Lavor is autem Junt gradus ; quod 
in lavijjimis excellit 9 Nitidum ejl» 
