.jaTidber2cT':Vratem.Q.]i]iem. Syst. in ]\!assäii . 



M A'IA. 



Lith Anst V J Lelmhardt m Mainz . 



Vöesbaden,Yerli^ v C W KreideL 



A.Kolbhtl, 



/ Orthoceras crassum , F A . ]{öm . 



Z. arcuateüum , Sandi 



J. Jtrwlatuvi/Ilvjl^e^er. 



■4- Orthoceras rapififrme, Sandb 



5 jcalare , (loldf 



6 Tubicinella.J Sow 



/. Orthoceras tenuilmeatum,Scmdb. 



