Table IV. 



— Sho^ 



Successive 



jffumbe 



years of 

 fellowship. 



survivi 

 in eac 

 year 



I. 



II. 



1 



645 



2 



619 



3 



600 



4 



575 



5 



557 



6 



536 



7 



512 



8 



493 



9 



472 



10 



449 



1 



427 



2 

 3 

 4 



407 

 387 

 367 



5 



340 



6 



315 



7 



295 



8 



277 



9 



255 



20 



239 



1 



220 



2 



204 



3 



186 



4 



171 



5 



154 



6 



141 



7 



123 



8 



113 



9 



100 



30 



92 



1 



81 



2 



72 



3 



62 



4 



51 



