418 



Zoological Socidif. 



Mr. Waterhouse laid before the Meeting the folloAving tabular 

 view of the distribution of the Rodentia : — 



Mr. Waterhouse stated, that in the construction of this table he 

 had endeavoured to display the geographical distribution of the sec- 

 tions of the order Rodentia, and that to accomplish this, it of course 

 became necessary to coiubine some system of classification, with an 

 arrangement of the genera according to the countries in which they 

 were found. The table is divided into five columns, one column 

 being devoted to each of the following portions of the globe: 1st, 



