CHRONOLOGICAL TABLES. 



l(».^!t 



1868 1869 1870 



can J 



5-6 



Artiz 



20 

 2 



22 



eering 



5-0 



of Mi 



7-8 



an (Th 



27 



3 



ning. 



9-10 



e). 



28 



4863 



1 



1871 



Engi 



11-12 



1872 



neenn 

 13-14 



1873 



and 



15-10 



23 



Lon 



7-1 



24 



CO ed 



5 



indust 



G 



24 

 don. 

 9-10 



26 

 riale. 

 7 



Zeits 



17-1 S 



i 4th 



I ,-. 



i 



10-20 



series. 



3-4 



chrift 



fur ma 

 4 



1874 1875 1876 



jMinin 



17-18 



<r JoiiiinaL 



th. un 



15-16 

 Nou 



.^S 1 



17-18 

 velle 



1877 1878 



d natu 

 6 



33 

 10 



21-22 



289 



I I 



rwiss. 



7 



23-24 

 Analv 



1879 



27-28 

 Sit. Loiiidon. 

 4 



1880, 



29-30 



10-20 



serie. 



20-30 



5th 

 1-2 



21 



Neue Folye. 

 1 , 2 



35 



30 



42-43 



6th S. 



1-2 



