304 



REPORT 1875. 



I annex the following two Tables of (centre- and bicentre-) trees as far as I 

 have completed them. 



Table A. 



Table B. 



o 



Actual Valency. 



1 

 2 



o 

 tj 



4 



5 



G 



7 



8 



9 



10 



11 



12 



