V. Colucci 



Fiq.3. 



F,q. 4. 



~ ' 





ga~ 



CSJ- 



mi- 



csm- 



me— 







-vi- 



Vt 



Fig. 5. 



■i : .i. 



, i, %. 



rm 



mi 



csm 



Fio.Z 



%6. 



!,:■ 1 1 





\ l \ ^ 1 , -»-— — "■ -^ 













" " - - ^.-'f.S 



l^ = 



se- 



i^S 



* - 



cp- 



C "--.~V: 



ri 



....a 

 -mp 



Fig.8. 



\V ■ 



F,g. 9. 



. 









Ut. &. Wenk e Figli — Bologna , 



