[81] 



M. GORTANI 



221 



DEVoisriAisro medio 





S — S 



DEVONIANO SUPEKIORE 







c3 



c3 

 fi 











^ 







cS 



c3 



a 











t-l 











tn 



a 







cS 











t-t 





















rH 







.2 



02 







si) 



s 



o 

 o 



2 

 fi 

 o 



'o 





1 



s 



o 



.2 



ce 







6C 



o 



1 



< 



Ph 



M 



Ph 



fQ 



(Ih 



D 



<! 



--^ 



< 



p^ 



t— 1 



M 



C^ 



t) 



,9? 



2S 



(S) 



IS 



IS 



(0 



ts 



zs 



2S 



IS 



S 



S 



s I 



ts 



- (s) 



(«•) 



(is) 



ts 



Palaeontographia italica, voi. XVII, 1911. 



27 



