Cla£es Conchyliorum* 



V. 



Methodus particularis Polythalamiorum J. P. Breynii. 



117 



2 8 



> 15 

 « r£j 



^^ 

 .5 §<§■ . 



* E c 



£ CQ S 3 

 B P «£' 



^J £% 



d" s 



1.8 



s 



Genera, 

 II. 



Lituus , 

 Polythalamium a bafi primo 

 in lineam fere reclnm exten- 

 fum , deinde vero in fpiram 

 externe apparentem in piano 

 horizontali convolutum. 



II. 



Ammonia, 

 Polythalamium In fpiram ex- 

 terne utrinque apparentem 

 in plano horizontali convo- 

 Juturn. 



Species, 



a. 



1 



Cornu AmmoHJS. 

 hoorentje Rumphii. 



Pofl- 



IV. 



Nautilus , 



a. Nautilus marino-lacuftris. 



Polythalamium in fpiram in-i b. Nautilus marinus, 

 terne latentem in plano ho- j c. Nautilus umbilicatiw, 

 rizontali convolutum. l 



P 3 



VI. Me- 



