CHRONOLOGICAL TABLES. 



673 



1868 



can J. 



&-6 



Artiz 

 2C 

 2 



1869 



of Mi 



7-8 



an (Th 



27 



3 



1870 



22 



eering 



24 



CO cd 



6 



17-18 



4th 



ning. 



9-10 



28 



4863 



1871 



Engi 



1872 



23 24 



Lon don. 

 7-8 9-10 



25 2G 



25 

 25 



indust 



G 



17(?) 

 19-20 



series. 

 .1-1 



20 

 riale. 

 7 



Zeits 



1873 



g and 



15-lG 



1874 



Minin 



17-18 



1875 



1876 



•f Jonr'nal. 

 19-20 21-22 



1877 



chrift lur majth. an d natu'rwiss. 

 3 4 5 



27 



18 (? 



5-n I 7-8 



28 29 



15-lG 



Nou 



29 1 



19(?) 



11-12 



17-18 

 velle 

 1 2 



20 (7) 

 29-30 



5th 



1-2 



19-20 



serie. 

 2 3 



31 



21 (?) 



31-32 

 series. 



VI 



1878 



1879 



27-28 



richt. 



9 



series. 



3G 



5 G 



34 



1880 



G 7 



40-41 



42-43 



Gth s. 



1-2 



