Cla£es Cenchj/liorum, 



IV. 



Methodus Tubulorum Marinonim J. T. Kleinh, 



"f 



GenerJi, 



X, TubuU concamerati, Teftx 4oiig.x; pluritnum coni 

 vvel cylindri - raro dentalifonnes , ir ' 

 xius eoiicam.erationibus, indar Nautili. 



Species. 

 a. Conici. 

 b« Cylindrifot» 

 mes. 



uamrati lenx.ong.^ pmntnum .o u-^ ^^ Dentaliformes. 



.vel cyhndri-raro dentaliformes , .»"fe-' ^. Superficieafpc^ 



ra. 

 c. Sulcati» 

 f. Circulis afperis. 



SI. Bdcmnitef, Tubuii marini foffiles, materia: ad le-| 



ieniticam accedontis, teretes. fradi con- a. Cylindriformei* 

 €entricas ftrias in longitudinem porre-< b. CoKiformes. 

 ■das (5c caaaliculum pervium cxhibent , [ c. Fufiformec. 

 ^pnum in bafi fcveiittes. t 



P - 



V.Me- 



